Everywhere: Remove klog(), dbg() and purge all LogStream usage :^)

Good-bye LogStream. Long live AK::Format!

168 files changed, 128 insertions, 255 deletions

diff --git a/Userland/Applications/About/main.cpp b/Userland/Applications/About/main.cpp
index 8b03c00f42..803905dc8c 100644
--- a/Userland/Applications/About/main.cpp
+++ b/Userland/Applications/About/main.cpp
@@ -29,7 +29,7 @@
 #include <LibGUI/Icon.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
-#include <sys/utsname.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/Browser/main.cpp b/Userland/Applications/Browser/main.cpp
index 0440597cae..77a11934d2 100644
--- a/Userland/Applications/Browser/main.cpp
+++ b/Userland/Applications/Browser/main.cpp
@@ -26,7 +26,6 @@
 
 #include "BookmarksBarWidget.h"
 #include "Browser.h"
-#include "InspectorWidget.h"
 #include "Tab.h"
 #include "WindowActions.h"
 #include <AK/StringBuilder.h>
@@ -47,6 +46,7 @@
 #include <LibWeb/Loader/ResourceLoader.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 namespace Browser {
 
diff --git a/Userland/Applications/Calculator/main.cpp b/Userland/Applications/Calculator/main.cpp
index 91ee969d23..79aaab58a4 100644
--- a/Userland/Applications/Calculator/main.cpp
+++ b/Userland/Applications/Calculator/main.cpp
@@ -34,6 +34,7 @@
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/Calendar/main.cpp b/Userland/Applications/Calendar/main.cpp
index be1a23f7b3..8406927b7f 100644
--- a/Userland/Applications/Calendar/main.cpp
+++ b/Userland/Applications/Calendar/main.cpp
@@ -38,9 +38,9 @@
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Color.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/FontDatabase.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/CrashReporter/main.cpp b/Userland/Applications/CrashReporter/main.cpp
index 00029f8d22..e1a02b2874 100644
--- a/Userland/Applications/CrashReporter/main.cpp
+++ b/Userland/Applications/CrashReporter/main.cpp
@@ -48,6 +48,7 @@
 #include <LibGUI/Widget.h>
 #include <LibGUI/Window.h>
 #include <string.h>
+#include <unistd.h>
 
 struct TitleAndText {
     String title;
diff --git a/Userland/Applications/Debugger/main.cpp b/Userland/Applications/Debugger/main.cpp
index fe91440b87..fa2ec66e67 100644
--- a/Userland/Applications/Debugger/main.cpp
+++ b/Userland/Applications/Debugger/main.cpp
@@ -27,7 +27,6 @@
 #include <AK/Assertions.h>
 #include <AK/ByteBuffer.h>
 #include <AK/Demangle.h>
-#include <AK/LogStream.h>
 #include <AK/StringBuilder.h>
 #include <LibC/sys/arch/i386/regs.h>
 #include <LibCore/ArgsParser.h>
diff --git a/Userland/Applications/DisplaySettings/main.cpp b/Userland/Applications/DisplaySettings/main.cpp
index f2dbcc2b33..a7a7a6de7d 100644
--- a/Userland/Applications/DisplaySettings/main.cpp
+++ b/Userland/Applications/DisplaySettings/main.cpp
@@ -32,10 +32,10 @@
 #include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/TabWidget.h>
-#include <LibGUI/Widget.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/FontEditor/main.cpp b/Userland/Applications/FontEditor/main.cpp
index 8a370160bd..61d14248dd 100644
--- a/Userland/Applications/FontEditor/main.cpp
+++ b/Userland/Applications/FontEditor/main.cpp
@@ -41,6 +41,7 @@
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Point.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/Help/main.cpp b/Userland/Applications/Help/main.cpp
index 02089b1d59..50d2d816ae 100644
--- a/Userland/Applications/Help/main.cpp
+++ b/Userland/Applications/Help/main.cpp
@@ -50,6 +50,7 @@
 #include <libgen.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 int main(int argc, char* argv[])
 {
diff --git a/Userland/Applications/HexEditor/main.cpp b/Userland/Applications/HexEditor/main.cpp
index 5c4a22b20a..f9217af243 100644
--- a/Userland/Applications/HexEditor/main.cpp
+++ b/Userland/Applications/HexEditor/main.cpp
@@ -29,6 +29,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/IRCClient/IRCClient.cpp b/Userland/Applications/IRCClient/IRCClient.cpp
index 2eb7c03705..910acf91cc 100644
--- a/Userland/Applications/IRCClient/IRCClient.cpp
+++ b/Userland/Applications/IRCClient/IRCClient.cpp
@@ -39,6 +39,7 @@
 #include <pwd.h>
 #include <stdio.h>
 #include <strings.h>
+#include <unistd.h>
 
 enum IRCNumeric {
     RPL_WELCOME = 1,
diff --git a/Userland/Applications/IRCClient/main.cpp b/Userland/Applications/IRCClient/main.cpp
index 2cd00843fa..9455089970 100644
--- a/Userland/Applications/IRCClient/main.cpp
+++ b/Userland/Applications/IRCClient/main.cpp
@@ -30,6 +30,7 @@
 #include <LibGUI/Application.h>
 #include <LibGUI/MessageBox.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/KeyboardMapper/main.cpp b/Userland/Applications/KeyboardMapper/main.cpp
index 654eb44fd5..ad719dcbf3 100644
--- a/Userland/Applications/KeyboardMapper/main.cpp
+++ b/Userland/Applications/KeyboardMapper/main.cpp
@@ -32,6 +32,7 @@
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/PixelPaint/main.cpp b/Userland/Applications/PixelPaint/main.cpp
index e7c88d3849..c8efb94830 100644
--- a/Userland/Applications/PixelPaint/main.cpp
+++ b/Userland/Applications/PixelPaint/main.cpp
@@ -44,14 +44,13 @@
 #include <LibGUI/Clipboard.h>
 #include <LibGUI/FilePicker.h>
 #include <LibGUI/Icon.h>
-#include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/MessageBox.h>
-#include <LibGUI/TableView.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Matrix4x4.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/Run/main.cpp b/Userland/Applications/Run/main.cpp
index 706215a49c..3513da9d11 100644
--- a/Userland/Applications/Run/main.cpp
+++ b/Userland/Applications/Run/main.cpp
@@ -24,14 +24,10 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LexicalPath.h>
+#include "RunWindow.h"
 #include <AK/StringBuilder.h>
-#include <AK/Types.h>
-#include <AK/URL.h>
 #include <LibGUI/Application.h>
-#include <string.h>
-
-#include "RunWindow.h"
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/Serendipity/main.cpp b/Userland/Applications/Serendipity/main.cpp
index b176dd12f6..f25bd052cb 100644
--- a/Userland/Applications/Serendipity/main.cpp
+++ b/Userland/Applications/Serendipity/main.cpp
@@ -28,6 +28,7 @@
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Window.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/SpaceAnalyzer/main.cpp b/Userland/Applications/SpaceAnalyzer/main.cpp
index 9cd199e2a1..50d06bea1d 100644
--- a/Userland/Applications/SpaceAnalyzer/main.cpp
+++ b/Userland/Applications/SpaceAnalyzer/main.cpp
@@ -43,6 +43,7 @@
 #include <LibGUI/MessageBox.h>
 #include <LibGUI/StatusBar.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 static const char* APP_NAME = "Space Analyzer";
 
diff --git a/Userland/Applications/Spreadsheet/Spreadsheet.cpp b/Userland/Applications/Spreadsheet/Spreadsheet.cpp
index 48bdbc5e97..1ce8c0d3b6 100644
--- a/Userland/Applications/Spreadsheet/Spreadsheet.cpp
+++ b/Userland/Applications/Spreadsheet/Spreadsheet.cpp
@@ -40,6 +40,7 @@
 #include <LibJS/Parser.h>
 #include <LibJS/Runtime/Function.h>
 #include <ctype.h>
+#include <unistd.h>
 
 namespace Spreadsheet {
 
diff --git a/Userland/Applications/Spreadsheet/main.cpp b/Userland/Applications/Spreadsheet/main.cpp
index f306531645..805b843365 100644
--- a/Userland/Applications/Spreadsheet/main.cpp
+++ b/Userland/Applications/Spreadsheet/main.cpp
@@ -33,11 +33,11 @@
 #include <LibGUI/Application.h>
 #include <LibGUI/Clipboard.h>
 #include <LibGUI/FilePicker.h>
-#include <LibGUI/Forward.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
+#include <unistd.h>
 
 int main(int argc, char* argv[])
 {
diff --git a/Userland/Applications/TextEditor/main.cpp b/Userland/Applications/TextEditor/main.cpp
index f549c0564a..0bf5c5c8a5 100644
--- a/Userland/Applications/TextEditor/main.cpp
+++ b/Userland/Applications/TextEditor/main.cpp
@@ -29,6 +29,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Applications/ThemeEditor/main.cpp b/Userland/Applications/ThemeEditor/main.cpp
index 4daa17488e..2f503e1f4b 100644
--- a/Userland/Applications/ThemeEditor/main.cpp
+++ b/Userland/Applications/ThemeEditor/main.cpp
@@ -32,6 +32,7 @@
 #include <LibGUI/Icon.h>
 #include <LibGUI/Model.h>
 #include <LibGUI/Window.h>
+#include <unistd.h>
 
 class ColorRoleModel final : public GUI::Model {
 public:
diff --git a/Userland/Demos/Cube/Cube.cpp b/Userland/Demos/Cube/Cube.cpp
index 6e0fb1e8b5..30088c9607 100644
--- a/Userland/Demos/Cube/Cube.cpp
+++ b/Userland/Demos/Cube/Cube.cpp
@@ -37,10 +37,9 @@
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Matrix4x4.h>
 #include <LibGfx/Vector3.h>
-#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
+#include <unistd.h>
 
 const int WIDTH = 200;
 const int HEIGHT = 200;
diff --git a/Userland/Demos/Eyes/main.cpp b/Userland/Demos/Eyes/main.cpp
index 3db722a882..5b120ae260 100644
--- a/Userland/Demos/Eyes/main.cpp
+++ b/Userland/Demos/Eyes/main.cpp
@@ -32,6 +32,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
+#include <unistd.h>
 
 int main(int argc, char* argv[])
 {
diff --git a/Userland/Demos/Fire/Fire.cpp b/Userland/Demos/Fire/Fire.cpp
index 03986dea01..c76b3e8bd4 100644
--- a/Userland/Demos/Fire/Fire.cpp
+++ b/Userland/Demos/Fire/Fire.cpp
@@ -53,6 +53,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include <unistd.h>
 
 #define FIRE_WIDTH 320
 #define FIRE_HEIGHT 168
diff --git a/Userland/Demos/LibGfxDemo/main.cpp b/Userland/Demos/LibGfxDemo/main.cpp
index 8d40798e30..2122d40a1a 100644
--- a/Userland/Demos/LibGfxDemo/main.cpp
+++ b/Userland/Demos/LibGfxDemo/main.cpp
@@ -30,10 +30,10 @@
 #include <LibGUI/Widget.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/Path.h>
+#include <unistd.h>
 
 const int WIDTH = 780;
 const int HEIGHT = 600;
diff --git a/Userland/Demos/LibGfxScaleDemo/main.cpp b/Userland/Demos/LibGfxScaleDemo/main.cpp
index 9a60b911d1..e7763b3e65 100644
--- a/Userland/Demos/LibGfxScaleDemo/main.cpp
+++ b/Userland/Demos/LibGfxScaleDemo/main.cpp
@@ -31,12 +31,12 @@
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Font.h>
-#include <LibGfx/FontDatabase.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/Palette.h>
 #include <LibGfx/Path.h>
 #include <LibGfx/SystemTheme.h>
 #include <LibGfx/WindowTheme.h>
+#include <unistd.h>
 
 const int WIDTH = 300;
 const int HEIGHT = 200;
diff --git a/Userland/Demos/Mouse/main.cpp b/Userland/Demos/Mouse/main.cpp
index 6cd3d20289..547c510469 100644
--- a/Userland/Demos/Mouse/main.cpp
+++ b/Userland/Demos/Mouse/main.cpp
@@ -36,6 +36,7 @@
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Path.h>
+#include <unistd.h>
 
 #include <math.h>
 
diff --git a/Userland/Demos/Screensaver/Screensaver.cpp b/Userland/Demos/Screensaver/Screensaver.cpp
index 889106f8d7..bf6166a154 100644
--- a/Userland/Demos/Screensaver/Screensaver.cpp
+++ b/Userland/Demos/Screensaver/Screensaver.cpp
@@ -33,6 +33,7 @@
 #include <LibGfx/Bitmap.h>
 #include <stdio.h>
 #include <time.h>
+#include <unistd.h>
 
 class Screensaver final : public GUI::Widget {
     C_OBJECT(Screensaver)
diff --git a/Userland/Demos/WidgetGallery/main.cpp b/Userland/Demos/WidgetGallery/main.cpp
index 352b864e7e..63d3aa5a41 100644
--- a/Userland/Demos/WidgetGallery/main.cpp
+++ b/Userland/Demos/WidgetGallery/main.cpp
@@ -31,6 +31,7 @@
 #include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/DevTools/HackStudio/CursorTool.cpp b/Userland/DevTools/HackStudio/CursorTool.cpp
index 04f74d526f..de6e74c31c 100644
--- a/Userland/DevTools/HackStudio/CursorTool.cpp
+++ b/Userland/DevTools/HackStudio/CursorTool.cpp
@@ -29,7 +29,6 @@
 #include "FormWidget.h"
 #include "WidgetTreeModel.h"
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
 #include <LibGfx/Palette.h>
 
 namespace HackStudio {
diff --git a/Userland/DevTools/HackStudio/Git/GitWidget.cpp b/Userland/DevTools/HackStudio/Git/GitWidget.cpp
index e15583ff8d..c0ef18f00c 100644
--- a/Userland/DevTools/HackStudio/Git/GitWidget.cpp
+++ b/Userland/DevTools/HackStudio/Git/GitWidget.cpp
@@ -26,7 +26,6 @@
 
 #include "GitWidget.h"
 #include "GitFilesModel.h"
-#include <AK/LogStream.h>
 #include <LibCore/File.h>
 #include <LibDiff/Format.h>
 #include <LibGUI/Application.h>
diff --git a/Userland/DevTools/HackStudio/WidgetTool.cpp b/Userland/DevTools/HackStudio/WidgetTool.cpp
index 73626ebbf8..a0073c8ede 100644
--- a/Userland/DevTools/HackStudio/WidgetTool.cpp
+++ b/Userland/DevTools/HackStudio/WidgetTool.cpp
@@ -25,7 +25,7 @@
  */
 
 #include "WidgetTool.h"
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 
 namespace HackStudio {
 
diff --git a/Userland/DevTools/Playground/main.cpp b/Userland/DevTools/Playground/main.cpp
index e6f7871f5f..dc63bd47b6 100644
--- a/Userland/DevTools/Playground/main.cpp
+++ b/Userland/DevTools/Playground/main.cpp
@@ -28,7 +28,6 @@
 #include <AK/URL.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
-#include <LibCore/Property.h>
 #include <LibDesktop/Launcher.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/AutocompleteProvider.h>
@@ -45,6 +44,7 @@
 #include <LibGUI/TextEditor.h>
 #include <LibGUI/Window.h>
 #include <string.h>
+#include <unistd.h>
 
 namespace {
 
diff --git a/Userland/DevTools/UserspaceEmulator/Emulator.cpp b/Userland/DevTools/UserspaceEmulator/Emulator.cpp
index 9ed37961e8..091e77a453 100644
--- a/Userland/DevTools/UserspaceEmulator/Emulator.cpp
+++ b/Userland/DevTools/UserspaceEmulator/Emulator.cpp
@@ -38,6 +38,7 @@
 #include <LibX86/ELFSymbolProvider.h>
 #include <fcntl.h>
 #include <syscall.h>
+#include <unistd.h>
 
 #if defined(__GNUC__) && !defined(__clang__)
 #    pragma GCC optimize("O3")
diff --git a/Userland/DevTools/UserspaceEmulator/MallocTracer.cpp b/Userland/DevTools/UserspaceEmulator/MallocTracer.cpp
index 0c753d0fdd..2390d255ba 100644
--- a/Userland/DevTools/UserspaceEmulator/MallocTracer.cpp
+++ b/Userland/DevTools/UserspaceEmulator/MallocTracer.cpp
@@ -28,10 +28,10 @@
 #include "Emulator.h"
 #include "MmapRegion.h"
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
 #include <AK/TemporaryChange.h>
 #include <mallocdefs.h>
 #include <string.h>
+#include <unistd.h>
 
 namespace UserspaceEmulator {
 
diff --git a/Userland/DevTools/UserspaceEmulator/Report.h b/Userland/DevTools/UserspaceEmulator/Report.h
index 96face8914..9d4a01011a 100644
--- a/Userland/DevTools/UserspaceEmulator/Report.h
+++ b/Userland/DevTools/UserspaceEmulator/Report.h
@@ -26,7 +26,7 @@
 
 #pragma once
 
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 
 extern bool g_report_to_debug;
 
diff --git a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
index 62a975d8f5..3c4fb2fd41 100644
--- a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
+++ b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
@@ -31,6 +31,7 @@
 #include <math.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #if defined(__GNUC__) && !defined(__clang__)
 #    pragma GCC optimize("O3")
diff --git a/Userland/DevTools/UserspaceEmulator/main.cpp b/Userland/DevTools/UserspaceEmulator/main.cpp
index 8fff65cd0f..f91d721b41 100644
--- a/Userland/DevTools/UserspaceEmulator/main.cpp
+++ b/Userland/DevTools/UserspaceEmulator/main.cpp
@@ -25,16 +25,13 @@
  */
 
 #include "Emulator.h"
-#include "SoftCPU.h"
 #include <AK/Format.h>
 #include <AK/LexicalPath.h>
-#include <AK/MappedFile.h>
 #include <AK/StringBuilder.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
-#include <LibELF/Image.h>
-#include <getopt.h>
 #include <pthread.h>
+#include <serenity.h>
 #include <string.h>
 
 bool g_report_to_debug = false;
diff --git a/Userland/DynamicLoader/main.cpp b/Userland/DynamicLoader/main.cpp
index 43545dcd48..0f3685b434 100644
--- a/Userland/DynamicLoader/main.cpp
+++ b/Userland/DynamicLoader/main.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <LibC/sys/internals.h>
 #include <LibC/unistd.h>
 #include <LibELF/AuxiliaryVector.h>
diff --git a/Userland/DynamicLoader/misc.cpp b/Userland/DynamicLoader/misc.cpp
index f8f172a7c6..9cc18cab8a 100644
--- a/Userland/DynamicLoader/misc.cpp
+++ b/Userland/DynamicLoader/misc.cpp
@@ -25,7 +25,7 @@
  */
 
 #include "misc.h"
-#include "AK/LogStream.h"
+#include <AK/Format.h>
 
 extern "C" {
 const char* __cxa_demangle(const char*, void*, void*, int*)
diff --git a/Userland/Games/2048/main.cpp b/Userland/Games/2048/main.cpp
index 7cf03fde35..d82e42c293 100644
--- a/Userland/Games/2048/main.cpp
+++ b/Userland/Games/2048/main.cpp
@@ -40,6 +40,7 @@
 #include <LibGUI/Window.h>
 #include <stdio.h>
 #include <time.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Breakout/Game.cpp b/Userland/Games/Breakout/Game.cpp
index c66f45d2b4..1d56509e3b 100644
--- a/Userland/Games/Breakout/Game.cpp
+++ b/Userland/Games/Breakout/Game.cpp
@@ -31,6 +31,7 @@
 #include <LibGUI/Painter.h>
 #include <LibGfx/Font.h>
 #include <LibGfx/StandardCursor.h>
+#include <unistd.h>
 
 namespace Breakout {
 
diff --git a/Userland/Games/Breakout/main.cpp b/Userland/Games/Breakout/main.cpp
index 560b7aeaec..c12a9d296f 100644
--- a/Userland/Games/Breakout/main.cpp
+++ b/Userland/Games/Breakout/main.cpp
@@ -31,6 +31,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Chess/Engine.cpp b/Userland/Games/Chess/Engine.cpp
index a0ccc72ba7..e709e319bf 100644
--- a/Userland/Games/Chess/Engine.cpp
+++ b/Userland/Games/Chess/Engine.cpp
@@ -29,7 +29,7 @@
 #include <fcntl.h>
 #include <spawn.h>
 #include <stdio.h>
-#include <stdlib.h>
+#include <unistd.h>
 
 Engine::~Engine()
 {
diff --git a/Userland/Games/Chess/main.cpp b/Userland/Games/Chess/main.cpp
index 7f01004eaa..540cfe5587 100644
--- a/Userland/Games/Chess/main.cpp
+++ b/Userland/Games/Chess/main.cpp
@@ -36,6 +36,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/MessageBox.h>
 #include <LibGUI/Window.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Conway/main.cpp b/Userland/Games/Conway/main.cpp
index d266d3bfdb..f103cabfbb 100644
--- a/Userland/Games/Conway/main.cpp
+++ b/Userland/Games/Conway/main.cpp
@@ -31,6 +31,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Minesweeper/main.cpp b/Userland/Games/Minesweeper/main.cpp
index 3247194abc..2541234426 100644
--- a/Userland/Games/Minesweeper/main.cpp
+++ b/Userland/Games/Minesweeper/main.cpp
@@ -37,6 +37,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Pong/main.cpp b/Userland/Games/Pong/main.cpp
index 0af4776b45..34ebe0f239 100644
--- a/Userland/Games/Pong/main.cpp
+++ b/Userland/Games/Pong/main.cpp
@@ -32,6 +32,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <LibGfx/Bitmap.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Games/Snake/main.cpp b/Userland/Games/Snake/main.cpp
index a3156c4c38..e48de628c3 100644
--- a/Userland/Games/Snake/main.cpp
+++ b/Userland/Games/Snake/main.cpp
@@ -35,6 +35,7 @@
 #include <LibGUI/MenuBar.h>
 #include <LibGUI/Window.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Libraries/LibC/cxxabi.cpp b/Userland/Libraries/LibC/cxxabi.cpp
index 073956c189..064c39d87d 100644
--- a/Userland/Libraries/LibC/cxxabi.cpp
+++ b/Userland/Libraries/LibC/cxxabi.cpp
@@ -25,12 +25,13 @@
  */
 
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/internals.h>
 #include <sys/mman.h>
+#include <unistd.h>
 
 extern "C" {
 
diff --git a/Userland/Libraries/LibC/dlfcn.cpp b/Userland/Libraries/LibC/dlfcn.cpp
index 9565246406..df6d8680ef 100644
--- a/Userland/Libraries/LibC/dlfcn.cpp
+++ b/Userland/Libraries/LibC/dlfcn.cpp
@@ -29,13 +29,11 @@
 #include <AK/RefPtr.h>
 #include <AK/ScopeGuard.h>
 #include <AK/String.h>
-#include <AK/StringBuilder.h>
 #include <LibELF/DynamicLoader.h>
 #include <assert.h>
 #include <dlfcn.h>
 #include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <unistd.h>
 
 // NOTE: The string here should never include a trailing newline (according to POSIX)
 String g_dlerror_msg;
diff --git a/Userland/Libraries/LibC/locale.cpp b/Userland/Libraries/LibC/locale.cpp
index d4c5401a24..7524d33e8b 100644
--- a/Userland/Libraries/LibC/locale.cpp
+++ b/Userland/Libraries/LibC/locale.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <assert.h>
 #include <locale.h>
 #include <stdio.h>
diff --git a/Userland/Libraries/LibC/malloc.cpp b/Userland/Libraries/LibC/malloc.cpp
index 6115e6146a..5df71f1dc7 100644
--- a/Userland/Libraries/LibC/malloc.cpp
+++ b/Userland/Libraries/LibC/malloc.cpp
@@ -26,7 +26,6 @@
 
 #include <AK/Debug.h>
 #include <AK/InlineLinkedList.h>
-#include <AK/LogStream.h>
 #include <AK/ScopedValueRollback.h>
 #include <AK/Vector.h>
 #include <LibELF/AuxiliaryVector.h>
diff --git a/Userland/Libraries/LibC/scanf.cpp b/Userland/Libraries/LibC/scanf.cpp
index 13f306d5aa..7e517c970c 100644
--- a/Userland/Libraries/LibC/scanf.cpp
+++ b/Userland/Libraries/LibC/scanf.cpp
@@ -25,8 +25,8 @@
  */
 
 #include <AK/Assertions.h>
+#include <AK/Format.h>
 #include <AK/GenericLexer.h>
-#include <AK/LogStream.h>
 #include <AK/StdLibExtras.h>
 #include <ctype.h>
 #include <stdarg.h>
diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index a4d4700818..56e74dd5cb 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -1048,10 +1048,9 @@ void dbgputch(char ch)
     syscall(SC_dbgputch, ch);
 }
 
-int dbgputstr(const char* characters, ssize_t length)
+void dbgputstr(const char* characters, size_t length)
 {
-    int rc = syscall(SC_dbgputstr, characters, length);
-    __RETURN_WITH_ERRNO(rc, rc, -1);
+    syscall(SC_dbgputstr, characters, length);
 }
 
 char* tmpnam(char*)
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index cc76741d0b..018c57fe47 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -94,7 +94,7 @@ int vsnprintf(char* buffer, size_t, const char* fmt, va_list) __attribute__((for
 int fprintf(FILE*, const char* fmt, ...) __attribute__((format(printf, 2, 3)));
 int printf(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
 void dbgputch(char);
-int dbgputstr(const char*, ssize_t);
+void dbgputstr(const char*, size_t);
 int sprintf(char* buffer, const char* fmt, ...) __attribute__((format(printf, 2, 3)));
 int snprintf(char* buffer, size_t, const char* fmt, ...) __attribute__((format(printf, 3, 4)));
 int putchar(int ch);
diff --git a/Userland/Libraries/LibC/sys/ptrace.cpp b/Userland/Libraries/LibC/sys/ptrace.cpp
index f285ef5bb5..b53bb48465 100644
--- a/Userland/Libraries/LibC/sys/ptrace.cpp
+++ b/Userland/Libraries/LibC/sys/ptrace.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <errno.h>
 #include <sys/ptrace.h>
 #include <syscall.h>
diff --git a/Userland/Libraries/LibChess/Chess.cpp b/Userland/Libraries/LibChess/Chess.cpp
index 3bce22f647..bc88616055 100644
--- a/Userland/Libraries/LibChess/Chess.cpp
+++ b/Userland/Libraries/LibChess/Chess.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Assertions.h>
-#include <AK/LogStream.h>
 #include <AK/String.h>
 #include <AK/StringBuilder.h>
 #include <AK/Vector.h>
diff --git a/Userland/Libraries/LibCompress/Deflate.cpp b/Userland/Libraries/LibCompress/Deflate.cpp
index 54f7911ec3..2340630033 100644
--- a/Userland/Libraries/LibCompress/Deflate.cpp
+++ b/Userland/Libraries/LibCompress/Deflate.cpp
@@ -27,7 +27,6 @@
 #include <AK/Array.h>
 #include <AK/Assertions.h>
 #include <AK/BinarySearch.h>
-#include <AK/LogStream.h>
 #include <AK/MemoryStream.h>
 
 #include <LibCompress/Deflate.h>
diff --git a/Userland/Libraries/LibCore/Account.cpp b/Userland/Libraries/LibCore/Account.cpp
index efe0120033..1e999d6629 100644
--- a/Userland/Libraries/LibCore/Account.cpp
+++ b/Userland/Libraries/LibCore/Account.cpp
@@ -29,6 +29,7 @@
 #include <AK/ScopeGuard.h>
 #include <LibCore/Account.h>
 #include <LibCore/File.h>
+#include <errno.h>
 #include <grp.h>
 #include <pwd.h>
 #include <stdio.h>
diff --git a/Userland/Libraries/LibCore/Command.cpp b/Userland/Libraries/LibCore/Command.cpp
index d75a645777..ea5764bb01 100644
--- a/Userland/Libraries/LibCore/Command.cpp
+++ b/Userland/Libraries/LibCore/Command.cpp
@@ -26,7 +26,7 @@
 
 #include "Command.h"
 #include <AK/ByteBuffer.h>
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 #include <AK/ScopeGuard.h>
 #include <LibCore/File.h>
 #include <fcntl.h>
diff --git a/Userland/Libraries/LibCore/DateTime.cpp b/Userland/Libraries/LibCore/DateTime.cpp
index 804abac3de..4e9a8ec345 100644
--- a/Userland/Libraries/LibCore/DateTime.cpp
+++ b/Userland/Libraries/LibCore/DateTime.cpp
@@ -255,9 +255,4 @@ bool DateTime::is_before(const String& other) const
     return __builtin_strcasecmp(now_string.characters(), other.characters()) < 0;
 }
 
-const LogStream& operator<<(const LogStream& stream, const DateTime& value)
-{
-    return stream << value.to_string();
-}
-
 }
diff --git a/Userland/Libraries/LibCore/DateTime.h b/Userland/Libraries/LibCore/DateTime.h
index 15515cc0fd..9101a9306a 100644
--- a/Userland/Libraries/LibCore/DateTime.h
+++ b/Userland/Libraries/LibCore/DateTime.h
@@ -69,6 +69,4 @@ private:
     unsigned m_second { 0 };
 };
 
-const LogStream& operator<<(const LogStream&, const DateTime&);
-
 }
diff --git a/Userland/Libraries/LibCore/DirIterator.cpp b/Userland/Libraries/LibCore/DirIterator.cpp
index 3dbeecf24f..83d4f32786 100644
--- a/Userland/Libraries/LibCore/DirIterator.cpp
+++ b/Userland/Libraries/LibCore/DirIterator.cpp
@@ -27,6 +27,7 @@
 #include <AK/Vector.h>
 #include <LibCore/DirIterator.h>
 #include <errno.h>
+#include <unistd.h>
 
 namespace Core {
 
diff --git a/Userland/Libraries/LibCore/FileWatcher.cpp b/Userland/Libraries/LibCore/FileWatcher.cpp
index 70ed9928bc..46db6686d6 100644
--- a/Userland/Libraries/LibCore/FileWatcher.cpp
+++ b/Userland/Libraries/LibCore/FileWatcher.cpp
@@ -40,6 +40,7 @@
 #include <fcntl.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 namespace Core {
 
diff --git a/Userland/Libraries/LibCore/GetPassword.cpp b/Userland/Libraries/LibCore/GetPassword.cpp
index 88bb27345a..98c3ab0ed3 100644
--- a/Userland/Libraries/LibCore/GetPassword.cpp
+++ b/Userland/Libraries/LibCore/GetPassword.cpp
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <termios.h>
+#include <unistd.h>
 
 namespace Core {
 
diff --git a/Userland/Libraries/LibCore/Object.cpp b/Userland/Libraries/LibCore/Object.cpp
index 800f557384..854467a356 100644
--- a/Userland/Libraries/LibCore/Object.cpp
+++ b/Userland/Libraries/LibCore/Object.cpp
@@ -262,9 +262,4 @@ void Object::register_property(const String& name, Function<JsonValue()> getter,
     m_properties.set(name, make<Property>(name, move(getter), move(setter)));
 }
 
-const LogStream& operator<<(const LogStream& stream, const Object& object)
-{
-    return stream << object.class_name() << '{' << &object << '}';
-}
-
 }
diff --git a/Userland/Libraries/LibCore/Object.h b/Userland/Libraries/LibCore/Object.h
index d5dcefd01f..6295d1d75b 100644
--- a/Userland/Libraries/LibCore/Object.h
+++ b/Userland/Libraries/LibCore/Object.h
@@ -223,8 +223,6 @@ T* Object::find_descendant_of_type_named(const String& name) requires IsBaseOf<O
     return found_child;
 }
 
-const LogStream& operator<<(const LogStream&, const Object&);
-
 #define REGISTER_INT_PROPERTY(property_name, getter, setter) \
     register_property(                                       \
         property_name,                                       \
diff --git a/Userland/Libraries/LibCore/SocketAddress.cpp b/Userland/Libraries/LibCore/SocketAddress.cpp
index d4d451a150..e69de29bb2 100644
--- a/Userland/Libraries/LibCore/SocketAddress.cpp
+++ b/Userland/Libraries/LibCore/SocketAddress.cpp
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <LibCore/SocketAddress.h>
-
-namespace Core {
-
-const LogStream& operator<<(const LogStream& stream, const SocketAddress& value)
-{
-    return stream << value.to_string();
-}
-
-}
diff --git a/Userland/Libraries/LibCore/SocketAddress.h b/Userland/Libraries/LibCore/SocketAddress.h
index 695fa361aa..87f7d8b63e 100644
--- a/Userland/Libraries/LibCore/SocketAddress.h
+++ b/Userland/Libraries/LibCore/SocketAddress.h
@@ -110,8 +110,6 @@ private:
     String m_local_address;
 };
 
-const LogStream& operator<<(const LogStream&, const SocketAddress&);
-
 }
 
 template<>
diff --git a/Userland/Libraries/LibCore/SyscallUtils.h b/Userland/Libraries/LibCore/SyscallUtils.h
index 9fd8009c8b..07ca9f0aa4 100644
--- a/Userland/Libraries/LibCore/SyscallUtils.h
+++ b/Userland/Libraries/LibCore/SyscallUtils.h
@@ -27,7 +27,6 @@
 #pragma once
 
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
 #include <AK/StdLibExtras.h>
 #include <errno.h>
 #include <string.h>
diff --git a/Userland/Libraries/LibCore/TCPServer.cpp b/Userland/Libraries/LibCore/TCPServer.cpp
index 79fe6f468e..3d0cc97025 100644
--- a/Userland/Libraries/LibCore/TCPServer.cpp
+++ b/Userland/Libraries/LibCore/TCPServer.cpp
@@ -31,6 +31,7 @@
 #include <LibCore/TCPSocket.h>
 #include <stdio.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 #ifndef SOCK_NONBLOCK
 #    include <fcntl.h>
diff --git a/Userland/Libraries/LibCore/UDPServer.cpp b/Userland/Libraries/LibCore/UDPServer.cpp
index fd68490b77..c92aaec399 100644
--- a/Userland/Libraries/LibCore/UDPServer.cpp
+++ b/Userland/Libraries/LibCore/UDPServer.cpp
@@ -29,6 +29,7 @@
 #include <LibCore/Notifier.h>
 #include <LibCore/UDPServer.h>
 #include <LibCore/UDPSocket.h>
+#include <errno.h>
 #include <stdio.h>
 #include <unistd.h>
 
diff --git a/Userland/Libraries/LibCpp/AST.cpp b/Userland/Libraries/LibCpp/AST.cpp
index ffb7d6d70b..8c41c596d5 100644
--- a/Userland/Libraries/LibCpp/AST.cpp
+++ b/Userland/Libraries/LibCpp/AST.cpp
@@ -25,7 +25,6 @@
  */
 
 #include "AST.h"
-#include "AK/LogStream.h"
 
 namespace Cpp {
 
diff --git a/Userland/Libraries/LibCpp/Parser.cpp b/Userland/Libraries/LibCpp/Parser.cpp
index 7bbffe7276..6b923d4958 100644
--- a/Userland/Libraries/LibCpp/Parser.cpp
+++ b/Userland/Libraries/LibCpp/Parser.cpp
@@ -29,7 +29,6 @@
 #endif
 
 #include "Parser.h"
-#include "AK/LogStream.h"
 #include "AST.h"
 #include <AK/Debug.h>
 #include <AK/ScopeGuard.h>
diff --git a/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.h b/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.h
index 753a27c47c..77ed86d634 100644
--- a/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.h
+++ b/Userland/Libraries/LibCrypto/BigInt/SignedBigInteger.h
@@ -141,20 +141,6 @@ struct SignedDivisionResult {
 
 }
 
-inline const LogStream&
-operator<<(const LogStream& stream, const Crypto::SignedBigInteger value)
-{
-    if (value.is_invalid()) {
-        stream << "Invalid BigInt";
-        return stream;
-    }
-    if (value.is_negative())
-        stream << "-";
-
-    stream << value.unsigned_value();
-    return stream;
-}
-
 inline Crypto::SignedBigInteger
 operator""_sbigint(const char* string, size_t length)
 {
diff --git a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
index becae66749..51c1d9f776 100644
--- a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
+++ b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
@@ -27,7 +27,6 @@
 #pragma once
 
 #include <AK/ByteBuffer.h>
-#include <AK/LogStream.h>
 #include <AK/Span.h>
 #include <AK/String.h>
 #include <AK/Types.h>
@@ -131,19 +130,6 @@ struct UnsignedDivisionResult {
 
 }
 
-inline const LogStream&
-operator<<(const LogStream& stream, const Crypto::UnsignedBigInteger& value)
-{
-    if (value.is_invalid()) {
-        stream << "Invalid BigInt";
-        return stream;
-    }
-    for (int i = value.length() - 1; i >= 0; --i) {
-        stream << value.words()[i] << "|";
-    }
-    return stream;
-}
-
 template<>
 struct AK::Formatter<Crypto::UnsignedBigInteger> : Formatter<StringView> {
     void format(FormatBuilder&, const Crypto::UnsignedBigInteger&);
diff --git a/Userland/Libraries/LibCrypto/Checksum/CRC32.h b/Userland/Libraries/LibCrypto/Checksum/CRC32.h
index df6d17ec16..a3a9b1150e 100644
--- a/Userland/Libraries/LibCrypto/Checksum/CRC32.h
+++ b/Userland/Libraries/LibCrypto/Checksum/CRC32.h
@@ -26,7 +26,6 @@
 
 #pragma once
 
-#include <AK/LogStream.h>
 #include <AK/Span.h>
 #include <AK/Types.h>
 #include <LibCrypto/Checksum/ChecksumFunction.h>
diff --git a/Userland/Libraries/LibELF/DynamicLinker.cpp b/Userland/Libraries/LibELF/DynamicLinker.cpp
index 89fa43ac17..a598fe8c56 100644
--- a/Userland/Libraries/LibELF/DynamicLinker.cpp
+++ b/Userland/Libraries/LibELF/DynamicLinker.cpp
@@ -30,7 +30,6 @@
 #include <AK/HashMap.h>
 #include <AK/HashTable.h>
 #include <AK/LexicalPath.h>
-#include <AK/LogStream.h>
 #include <AK/NonnullRefPtrVector.h>
 #include <AK/ScopeGuard.h>
 #include <LibC/mman.h>
diff --git a/Userland/Libraries/LibELF/DynamicLoader.cpp b/Userland/Libraries/LibELF/DynamicLoader.cpp
index 682da8642b..b019063911 100644
--- a/Userland/Libraries/LibELF/DynamicLoader.cpp
+++ b/Userland/Libraries/LibELF/DynamicLoader.cpp
@@ -40,6 +40,7 @@
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #ifndef __serenity__
 static void* mmap_with_name(void* addr, size_t length, int prot, int flags, int fd, off_t offset, const char*)
diff --git a/Userland/Libraries/LibGUI/FileIconProvider.cpp b/Userland/Libraries/LibGUI/FileIconProvider.cpp
index ed585e9dc2..a56d638699 100644
--- a/Userland/Libraries/LibGUI/FileIconProvider.cpp
+++ b/Userland/Libraries/LibGUI/FileIconProvider.cpp
@@ -28,7 +28,6 @@
 #include <AK/MappedFile.h>
 #include <AK/String.h>
 #include <LibCore/ConfigFile.h>
-#include <LibCore/DirIterator.h>
 #include <LibCore/File.h>
 #include <LibCore/StandardPaths.h>
 #include <LibELF/Image.h>
@@ -38,6 +37,7 @@
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/PNGLoader.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 namespace GUI {
 
diff --git a/Userland/Libraries/LibGUI/ModelIndex.cpp b/Userland/Libraries/LibGUI/ModelIndex.cpp
index 038974d1d4..bde5177596 100644
--- a/Userland/Libraries/LibGUI/ModelIndex.cpp
+++ b/Userland/Libraries/LibGUI/ModelIndex.cpp
@@ -39,11 +39,4 @@ Variant ModelIndex::data(ModelRole role) const
     return model()->data(*this, role);
 }
 
-const LogStream& operator<<(const LogStream& stream, const ModelIndex& value)
-{
-    if (value.internal_data())
-        return stream << String::formatted("ModelIndex({},{},{:p})", value.row(), value.column(), value.internal_data());
-    return stream << String::formatted("ModelIndex({},{})", value.row(), value.column());
-}
-
 }
diff --git a/Userland/Libraries/LibGUI/ModelIndex.h b/Userland/Libraries/LibGUI/ModelIndex.h
index 4d6d49a92b..9a1ff1d6fd 100644
--- a/Userland/Libraries/LibGUI/ModelIndex.h
+++ b/Userland/Libraries/LibGUI/ModelIndex.h
@@ -76,8 +76,6 @@ private:
     void* m_internal_data { nullptr };
 };
 
-const LogStream& operator<<(const LogStream&, const ModelIndex&);
-
 }
 
 namespace AK {
diff --git a/Userland/Libraries/LibGUI/TextPosition.h b/Userland/Libraries/LibGUI/TextPosition.h
index 47ccc71e47..c744307d93 100644
--- a/Userland/Libraries/LibGUI/TextPosition.h
+++ b/Userland/Libraries/LibGUI/TextPosition.h
@@ -26,7 +26,6 @@
 
 #pragma once
 
-#include <AK/LogStream.h>
 #include <AK/String.h>
 
 namespace GUI {
@@ -57,13 +56,6 @@ private:
     size_t m_column { 0xffffffff };
 };
 
-inline const LogStream& operator<<(const LogStream& stream, const TextPosition& value)
-{
-    if (!value.is_valid())
-        return stream << "GUI::TextPosition(Invalid)";
-    return stream << String::formatted("({},{})", value.line(), value.column());
-}
-
 }
 
 template<>
diff --git a/Userland/Libraries/LibGUI/TextRange.h b/Userland/Libraries/LibGUI/TextRange.h
index ea6918c0f4..55e5378d52 100644
--- a/Userland/Libraries/LibGUI/TextRange.h
+++ b/Userland/Libraries/LibGUI/TextRange.h
@@ -26,7 +26,6 @@
 
 #pragma once
 
-#include <AK/LogStream.h>
 #include <LibGUI/TextPosition.h>
 
 namespace GUI {
@@ -85,13 +84,6 @@ private:
     TextPosition m_end;
 };
 
-inline const LogStream& operator<<(const LogStream& stream, const TextRange& value)
-{
-    if (!value.is_valid())
-        return stream << "GUI::TextRange(Invalid)";
-    return stream << value.start() << '-' << value.end();
-}
-
 }
 
 template<>
diff --git a/Userland/Libraries/LibGfx/AffineTransform.cpp b/Userland/Libraries/LibGfx/AffineTransform.cpp
index 29236b83f0..0f4bca708e 100644
--- a/Userland/Libraries/LibGfx/AffineTransform.cpp
+++ b/Userland/Libraries/LibGfx/AffineTransform.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <AK/Optional.h>
 #include <LibGfx/AffineTransform.h>
 #include <LibGfx/Rect.h>
@@ -158,18 +157,4 @@ IntRect AffineTransform::map(const IntRect& rect) const
     return enclosing_int_rect(map(FloatRect(rect)));
 }
 
-const LogStream& operator<<(const LogStream& stream, const AffineTransform& value)
-{
-    if (value.is_identity())
-        return stream << "{ Identity }";
-
-    return stream << "{ "
-                  << value.a() << ", "
-                  << value.b() << ", "
-                  << value.c() << ", "
-                  << value.d() << ", "
-                  << value.e() << ", "
-                  << value.f() << " }";
-}
-
 }
diff --git a/Userland/Libraries/LibGfx/AffineTransform.h b/Userland/Libraries/LibGfx/AffineTransform.h
index 41334eb138..3155009e91 100644
--- a/Userland/Libraries/LibGfx/AffineTransform.h
+++ b/Userland/Libraries/LibGfx/AffineTransform.h
@@ -27,7 +27,6 @@
 #pragma once
 
 #include <AK/Forward.h>
-#include <AK/LogStream.h>
 #include <LibGfx/Forward.h>
 
 namespace Gfx {
@@ -76,6 +75,4 @@ private:
     float m_values[6] { 0 };
 };
 
-const LogStream& operator<<(const LogStream&, const AffineTransform&);
-
 }
diff --git a/Userland/Libraries/LibGfx/Color.cpp b/Userland/Libraries/LibGfx/Color.cpp
index 20265dc43f..482e0bc0ad 100644
--- a/Userland/Libraries/LibGfx/Color.cpp
+++ b/Userland/Libraries/LibGfx/Color.cpp
@@ -328,10 +328,6 @@ Optional<Color> Color::from_string(const StringView& string)
     return Color(r.value(), g.value(), b.value(), a.value());
 }
 
-const LogStream& operator<<(const LogStream& stream, Color value)
-{
-    return stream << value.to_string();
-}
 }
 
 bool IPC::encode(IPC::Encoder& encoder, const Color& color)
diff --git a/Userland/Libraries/LibGfx/Color.h b/Userland/Libraries/LibGfx/Color.h
index 671c8caf5d..befaa2ed77 100644
--- a/Userland/Libraries/LibGfx/Color.h
+++ b/Userland/Libraries/LibGfx/Color.h
@@ -404,8 +404,6 @@ inline constexpr Color::Color(NamedColor named)
     m_value = 0xff000000 | (rgb.r << 16) | (rgb.g << 8) | rgb.b;
 }
 
-const LogStream& operator<<(const LogStream&, Color);
-
 }
 
 using Gfx::Color;
diff --git a/Userland/Libraries/LibGfx/Path.h b/Userland/Libraries/LibGfx/Path.h
index 81ebf2ccfb..0baf79e308 100644
--- a/Userland/Libraries/LibGfx/Path.h
+++ b/Userland/Libraries/LibGfx/Path.h
@@ -212,9 +212,4 @@ private:
     Optional<Gfx::FloatRect> m_bounding_box;
 };
 
-inline const LogStream& operator<<(const LogStream& stream, const Path& path)
-{
-    return stream << path.to_string();
-}
-
 }
diff --git a/Userland/Libraries/LibGfx/Point.h b/Userland/Libraries/LibGfx/Point.h
index be6a71e149..526cbf6279 100644
--- a/Userland/Libraries/LibGfx/Point.h
+++ b/Userland/Libraries/LibGfx/Point.h
@@ -228,12 +228,6 @@ private:
     T m_y { 0 };
 };
 
-template<typename T>
-const LogStream& operator<<(const LogStream& stream, const Point<T>& point)
-{
-    return stream << point.to_string();
-}
-
 using IntPoint = Point<int>;
 using FloatPoint = Point<float>;
 
diff --git a/Userland/Libraries/LibGfx/Rect.h b/Userland/Libraries/LibGfx/Rect.h
index 082b1f7800..4cba04fff0 100644
--- a/Userland/Libraries/LibGfx/Rect.h
+++ b/Userland/Libraries/LibGfx/Rect.h
@@ -478,12 +478,6 @@ private:
     Size<T> m_size;
 };
 
-template<typename T>
-const LogStream& operator<<(const LogStream& stream, const Rect<T>& rect)
-{
-    return stream << rect.to_string();
-}
-
 using IntRect = Rect<int>;
 using FloatRect = Rect<float>;
 
diff --git a/Userland/Libraries/LibGfx/Size.h b/Userland/Libraries/LibGfx/Size.h
index 67321a4a2d..fd45dd51fb 100644
--- a/Userland/Libraries/LibGfx/Size.h
+++ b/Userland/Libraries/LibGfx/Size.h
@@ -150,12 +150,6 @@ private:
     T m_height { 0 };
 };
 
-template<typename T>
-const LogStream& operator<<(const LogStream& stream, const Gfx::Size<T>& size)
-{
-    return stream << size.to_string();
-}
-
 using IntSize = Size<int>;
 using FloatSize = Size<float>;
 
diff --git a/Userland/Libraries/LibGfx/Triangle.cpp b/Userland/Libraries/LibGfx/Triangle.cpp
index d326b59f1c..d45bea096b 100644
--- a/Userland/Libraries/LibGfx/Triangle.cpp
+++ b/Userland/Libraries/LibGfx/Triangle.cpp
@@ -34,9 +34,4 @@ String Triangle::to_string() const
     return String::formatted("({},{},{})", m_a, m_b, m_c);
 }
 
-const LogStream& operator<<(const LogStream& stream, const Triangle& value)
-{
-    return stream << value.to_string();
-}
-
 }
diff --git a/Userland/Libraries/LibGfx/Triangle.h b/Userland/Libraries/LibGfx/Triangle.h
index 7d8e69e80d..294a7f914d 100644
--- a/Userland/Libraries/LibGfx/Triangle.h
+++ b/Userland/Libraries/LibGfx/Triangle.h
@@ -76,6 +76,4 @@ private:
     IntPoint m_c;
 };
 
-const LogStream& operator<<(const LogStream&, const Triangle&);
-
 }
diff --git a/Userland/Libraries/LibLine/Editor.cpp b/Userland/Libraries/LibLine/Editor.cpp
index 15ec22f05d..aa92c3c73d 100644
--- a/Userland/Libraries/LibLine/Editor.cpp
+++ b/Userland/Libraries/LibLine/Editor.cpp
@@ -30,6 +30,7 @@
 #include <AK/GenericLexer.h>
 #include <AK/JsonObject.h>
 #include <AK/ScopeGuard.h>
+#include <AK/ScopedValueRollback.h>
 #include <AK/StringBuilder.h>
 #include <AK/Utf32View.h>
 #include <AK/Utf8View.h>
@@ -39,6 +40,7 @@
 #include <LibCore/File.h>
 #include <LibCore/Notifier.h>
 #include <ctype.h>
+#include <errno.h>
 #include <signal.h>
 #include <stdio.h>
 #include <sys/ioctl.h>
diff --git a/Userland/Libraries/LibLine/InternalFunctions.cpp b/Userland/Libraries/LibLine/InternalFunctions.cpp
index 162e01dbee..015754c0b0 100644
--- a/Userland/Libraries/LibLine/InternalFunctions.cpp
+++ b/Userland/Libraries/LibLine/InternalFunctions.cpp
@@ -24,6 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <AK/ScopedValueRollback.h>
 #include <AK/StringBuilder.h>
 #include <AK/TemporaryChange.h>
 #include <LibLine/Editor.h>
diff --git a/Userland/Libraries/LibRegex/RegexLexer.cpp b/Userland/Libraries/LibRegex/RegexLexer.cpp
index c7bd1194c5..8b0b155da3 100644
--- a/Userland/Libraries/LibRegex/RegexLexer.cpp
+++ b/Userland/Libraries/LibRegex/RegexLexer.cpp
@@ -27,7 +27,6 @@
 #include "RegexLexer.h"
 #include <AK/Assertions.h>
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
 #include <stdio.h>
 
 namespace regex {
diff --git a/Userland/Libraries/LibTLS/TLSv12.cpp b/Userland/Libraries/LibTLS/TLSv12.cpp
index 587996f662..6b61234b30 100644
--- a/Userland/Libraries/LibTLS/TLSv12.cpp
+++ b/Userland/Libraries/LibTLS/TLSv12.cpp
@@ -33,6 +33,7 @@
 #include <LibCrypto/ASN1/PEM.h>
 #include <LibCrypto/PK/Code/EMSA_PSS.h>
 #include <LibTLS/TLSv12.h>
+#include <errno.h>
 
 #ifndef SOCK_NONBLOCK
 #    include <sys/ioctl.h>
diff --git a/Userland/Libraries/LibTTF/Font.cpp b/Userland/Libraries/LibTTF/Font.cpp
index 03c6c92cdd..67c85a7767 100644
--- a/Userland/Libraries/LibTTF/Font.cpp
+++ b/Userland/Libraries/LibTTF/Font.cpp
@@ -26,7 +26,6 @@
 
 #include "AK/ByteBuffer.h"
 #include <AK/Checked.h>
-#include <AK/LogStream.h>
 #include <AK/Utf32View.h>
 #include <AK/Utf8View.h>
 #include <LibCore/File.h>
diff --git a/Userland/Libraries/LibTar/TarStream.cpp b/Userland/Libraries/LibTar/TarStream.cpp
index 30654dc607..ca4f60ada3 100644
--- a/Userland/Libraries/LibTar/TarStream.cpp
+++ b/Userland/Libraries/LibTar/TarStream.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <LibTar/TarStream.h>
 
 namespace Tar {
diff --git a/Userland/Libraries/LibWeb/CSS/Length.h b/Userland/Libraries/LibWeb/CSS/Length.h
index 78ee24f5de..322d741227 100644
--- a/Userland/Libraries/LibWeb/CSS/Length.h
+++ b/Userland/Libraries/LibWeb/CSS/Length.h
@@ -173,9 +173,4 @@ private:
     float m_value { 0 };
 };
 
-inline const LogStream& operator<<(const LogStream& stream, const Length& value)
-{
-    return stream << value.to_string();
-}
-
 }
diff --git a/Userland/Libraries/LibWeb/DumpLayoutTree/main.cpp b/Userland/Libraries/LibWeb/DumpLayoutTree/main.cpp
index 2ce6a6bd71..10fe41f64a 100644
--- a/Userland/Libraries/LibWeb/DumpLayoutTree/main.cpp
+++ b/Userland/Libraries/LibWeb/DumpLayoutTree/main.cpp
@@ -30,6 +30,7 @@
 #include <LibWeb/Dump.h>
 #include <LibWeb/InProcessWebView.h>
 #include <LibWeb/Layout/InitialContainingBlockBox.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/MenuApplets/ClipboardHistory/main.cpp b/Userland/MenuApplets/ClipboardHistory/main.cpp
index 6275296745..f6f596cd53 100644
--- a/Userland/MenuApplets/ClipboardHistory/main.cpp
+++ b/Userland/MenuApplets/ClipboardHistory/main.cpp
@@ -32,6 +32,7 @@
 #include <LibGUI/TableView.h>
 #include <LibGUI/Window.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char* argv[])
 {
diff --git a/Userland/MenuApplets/UserName/main.cpp b/Userland/MenuApplets/UserName/main.cpp
index ac841ae21b..138d2bbc92 100644
--- a/Userland/MenuApplets/UserName/main.cpp
+++ b/Userland/MenuApplets/UserName/main.cpp
@@ -28,10 +28,10 @@
 #include <LibGUI/Painter.h>
 #include <LibGUI/Widget.h>
 #include <LibGUI/Window.h>
-#include <LibGfx/Font.h>
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Palette.h>
 #include <stdio.h>
+#include <unistd.h>
 
 class UserNameWidget final : public GUI::Widget {
     C_OBJECT(UserNameWidget)
diff --git a/Userland/Services/ChessEngine/main.cpp b/Userland/Services/ChessEngine/main.cpp
index 14d7b729a1..aac15d7f71 100644
--- a/Userland/Services/ChessEngine/main.cpp
+++ b/Userland/Services/ChessEngine/main.cpp
@@ -27,6 +27,7 @@
 #include "ChessEngine.h"
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
+#include <unistd.h>
 
 int main()
 {
diff --git a/Userland/Services/DHCPClient/main.cpp b/Userland/Services/DHCPClient/main.cpp
index 722cee2b2d..8def7ec954 100644
--- a/Userland/Services/DHCPClient/main.cpp
+++ b/Userland/Services/DHCPClient/main.cpp
@@ -35,6 +35,7 @@
 #include <LibCore/LocalServer.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 static u8 mac_part(const Vector<String>& parts, size_t index)
 {
diff --git a/Userland/Services/EchoServer/main.cpp b/Userland/Services/EchoServer/main.cpp
index a4136c3df6..188240bbfa 100644
--- a/Userland/Services/EchoServer/main.cpp
+++ b/Userland/Services/EchoServer/main.cpp
@@ -30,9 +30,9 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/TCPServer.h>
-#include <LibCore/TCPSocket.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Services/LookupServer/main.cpp b/Userland/Services/LookupServer/main.cpp
index 4d566ca8a9..855f825a69 100644
--- a/Userland/Services/LookupServer/main.cpp
+++ b/Userland/Services/LookupServer/main.cpp
@@ -28,6 +28,7 @@
 #include <LibCore/EventLoop.h>
 #include <LibCore/LocalServer.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
 {
diff --git a/Userland/Services/ProtocolServer/Protocol.cpp b/Userland/Services/ProtocolServer/Protocol.cpp
index de4a4e8a49..8ff46138e6 100644
--- a/Userland/Services/ProtocolServer/Protocol.cpp
+++ b/Userland/Services/ProtocolServer/Protocol.cpp
@@ -26,8 +26,10 @@
 
 #include <AK/HashMap.h>
 #include <ProtocolServer/Protocol.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <string.h>
+#include <unistd.h>
 
 namespace ProtocolServer {
 
diff --git a/Userland/Services/Taskbar/main.cpp b/Userland/Services/Taskbar/main.cpp
index e6ee5d2b25..f86c0a114b 100644
--- a/Userland/Services/Taskbar/main.cpp
+++ b/Userland/Services/Taskbar/main.cpp
@@ -30,6 +30,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Services/TelnetServer/main.cpp b/Userland/Services/TelnetServer/main.cpp
index 3adda4b83a..ed7b778647 100644
--- a/Userland/Services/TelnetServer/main.cpp
+++ b/Userland/Services/TelnetServer/main.cpp
@@ -27,9 +27,7 @@
 #include "Client.h"
 #include <AK/ByteBuffer.h>
 #include <AK/HashMap.h>
-#include <AK/IPv4Address.h>
 #include <AK/String.h>
-#include <AK/StringBuilder.h>
 #include <AK/Types.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
@@ -39,6 +37,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/ioctl.h>
+#include <unistd.h>
 
 static void run_command(int ptm_fd, String command)
 {
diff --git a/Userland/Services/WindowServer/WindowManager.cpp b/Userland/Services/WindowServer/WindowManager.cpp
index e86f204da8..1a9e46dee4 100644
--- a/Userland/Services/WindowServer/WindowManager.cpp
+++ b/Userland/Services/WindowServer/WindowManager.cpp
@@ -32,7 +32,6 @@
 #include "MenuItem.h"
 #include "Screen.h"
 #include "Window.h"
-#include <AK/LogStream.h>
 #include <AK/StdLibExtras.h>
 #include <AK/Vector.h>
 #include <LibGfx/Bitmap.h>
diff --git a/Userland/Services/WindowServer/main.cpp b/Userland/Services/WindowServer/main.cpp
index 6e5898f27c..28957ac75a 100644
--- a/Userland/Services/WindowServer/main.cpp
+++ b/Userland/Services/WindowServer/main.cpp
@@ -35,6 +35,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 int main(int, char**)
 {
diff --git a/Userland/Shell/AST.cpp b/Userland/Shell/AST.cpp
index e53c2151c1..02c873e241 100644
--- a/Userland/Shell/AST.cpp
+++ b/Userland/Shell/AST.cpp
@@ -28,13 +28,16 @@
 #include "Shell.h"
 #include <AK/MemoryStream.h>
 #include <AK/ScopeGuard.h>
+#include <AK/ScopedValueRollback.h>
 #include <AK/String.h>
 #include <AK/StringBuilder.h>
 #include <AK/URL.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <unistd.h>
 
 void AK::Formatter<Shell::AST::Command>::format(FormatBuilder& builder, const Shell::AST::Command& value)
 {
diff --git a/Userland/Shell/Builtin.cpp b/Userland/Shell/Builtin.cpp
index 1eada40364..1c79d056e6 100644
--- a/Userland/Shell/Builtin.cpp
+++ b/Userland/Shell/Builtin.cpp
@@ -31,6 +31,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
+#include <errno.h>
 #include <inttypes.h>
 #include <signal.h>
 #include <sys/wait.h>
diff --git a/Userland/Shell/Formatter.cpp b/Userland/Shell/Formatter.cpp
index 43f6934011..2d7e0908d5 100644
--- a/Userland/Shell/Formatter.cpp
+++ b/Userland/Shell/Formatter.cpp
@@ -27,6 +27,7 @@
 #include "Formatter.h"
 #include "AST.h"
 #include "Parser.h"
+#include <AK/ScopedValueRollback.h>
 #include <AK/TemporaryChange.h>
 
 namespace Shell {
diff --git a/Userland/Shell/Parser.cpp b/Userland/Shell/Parser.cpp
index ab00dee599..c821400eb1 100644
--- a/Userland/Shell/Parser.cpp
+++ b/Userland/Shell/Parser.cpp
@@ -27,6 +27,7 @@
 #include "Parser.h"
 #include "Shell.h"
 #include <AK/AllOf.h>
+#include <AK/ScopedValueRollback.h>
 #include <AK/TemporaryChange.h>
 #include <ctype.h>
 #include <stdio.h>
diff --git a/Userland/Shell/Shell.cpp b/Userland/Shell/Shell.cpp
index 2273482d12..8459593fa8 100644
--- a/Userland/Shell/Shell.cpp
+++ b/Userland/Shell/Shell.cpp
@@ -31,6 +31,7 @@
 #include <AK/Function.h>
 #include <AK/LexicalPath.h>
 #include <AK/ScopeGuard.h>
+#include <AK/ScopedValueRollback.h>
 #include <AK/StringBuilder.h>
 #include <AK/TemporaryChange.h>
 #include <LibCore/ArgsParser.h>
diff --git a/Userland/Shell/SyntaxHighlighter.cpp b/Userland/Shell/SyntaxHighlighter.cpp
index c0f89613a4..eade317208 100644
--- a/Userland/Shell/SyntaxHighlighter.cpp
+++ b/Userland/Shell/SyntaxHighlighter.cpp
@@ -24,6 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <AK/ScopedValueRollback.h>
 #include <AK/TemporaryChange.h>
 #include <LibGUI/TextEditor.h>
 #include <LibGfx/Font.h>
diff --git a/Userland/Shell/main.cpp b/Userland/Shell/main.cpp
index 581edd93c1..d5eb1bcbb0 100644
--- a/Userland/Shell/main.cpp
+++ b/Userland/Shell/main.cpp
@@ -24,16 +24,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "Execution.h"
 #include "Shell.h"
 #include <LibCore/ArgsParser.h>
 #include <LibCore/Event.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
+#include <errno.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 RefPtr<Line::Editor> editor;
 Shell::Shell* s_shell;
diff --git a/Userland/Tests/Kernel/kill-pidtid-confusion.cpp b/Userland/Tests/Kernel/kill-pidtid-confusion.cpp
index 0357ccdd23..e0fe32d414 100644
--- a/Userland/Tests/Kernel/kill-pidtid-confusion.cpp
+++ b/Userland/Tests/Kernel/kill-pidtid-confusion.cpp
@@ -25,11 +25,11 @@
  */
 
 #include <AK/Assertions.h>
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 #include <LibPthread/pthread.h>
-#include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 
 /*
diff --git a/Userland/Tests/Kernel/setpgid-across-sessions-without-leader.cpp b/Userland/Tests/Kernel/setpgid-across-sessions-without-leader.cpp
index d13b83a478..540b39d6d3 100644
--- a/Userland/Tests/Kernel/setpgid-across-sessions-without-leader.cpp
+++ b/Userland/Tests/Kernel/setpgid-across-sessions-without-leader.cpp
@@ -25,7 +25,7 @@
  */
 
 #include <AK/Assertions.h>
-#include <AK/LogStream.h>
+#include <AK/Format.h>
 #include <fcntl.h>
 #include <serenity.h>
 #include <stdio.h>
diff --git a/Userland/Tests/LibGfx/font.cpp b/Userland/Tests/LibGfx/font.cpp
index a52e6c85eb..b4dfd692b4 100644
--- a/Userland/Tests/LibGfx/font.cpp
+++ b/Userland/Tests/LibGfx/font.cpp
@@ -28,7 +28,7 @@
 #include <LibGfx/FontDatabase.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
+#include <unistd.h>
 
 static void test_fontdatabase_get_by_name()
 {
diff --git a/Userland/Utilities/adjtime.cpp b/Userland/Utilities/adjtime.cpp
index 810421bc98..5f764f37c6 100644
--- a/Userland/Utilities/adjtime.cpp
+++ b/Userland/Utilities/adjtime.cpp
@@ -27,6 +27,7 @@
 #include <LibCore/ArgsParser.h>
 #include <math.h>
 #include <sys/time.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/base64.cpp b/Userland/Utilities/base64.cpp
index 030990c286..b973b3e7dc 100644
--- a/Userland/Utilities/base64.cpp
+++ b/Userland/Utilities/base64.cpp
@@ -26,12 +26,11 @@
 
 #include <AK/Base64.h>
 #include <AK/ByteBuffer.h>
-#include <AK/String.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/basename.cpp b/Userland/Utilities/basename.cpp
index 65862f1072..5152ff847e 100644
--- a/Userland/Utilities/basename.cpp
+++ b/Userland/Utilities/basename.cpp
@@ -27,6 +27,7 @@
 #include <AK/LexicalPath.h>
 #include <LibCore/ArgsParser.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/bt.cpp b/Userland/Utilities/bt.cpp
index ea6f7fde7d..c2c5f1161a 100644
--- a/Userland/Utilities/bt.cpp
+++ b/Userland/Utilities/bt.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/LexicalPath.h>
-#include <AK/LogStream.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/File.h>
diff --git a/Userland/Utilities/copy.cpp b/Userland/Utilities/copy.cpp
index 2295703825..2ddeed72df 100644
--- a/Userland/Utilities/copy.cpp
+++ b/Userland/Utilities/copy.cpp
@@ -31,8 +31,7 @@
 #include <LibCore/File.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Clipboard.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <unistd.h>
 
 struct Options {
     String data;
diff --git a/Userland/Utilities/crash.cpp b/Userland/Utilities/crash.cpp
index 1aacf79aa3..cf815442d5 100644
--- a/Userland/Utilities/crash.cpp
+++ b/Userland/Utilities/crash.cpp
@@ -34,6 +34,7 @@
 #include <sys/mman.h>
 #include <sys/wait.h>
 #include <syscall.h>
+#include <unistd.h>
 
 #pragma GCC optimize("O0")
 
diff --git a/Userland/Utilities/date.cpp b/Userland/Utilities/date.cpp
index 057112a4c3..2be2adc29f 100644
--- a/Userland/Utilities/date.cpp
+++ b/Userland/Utilities/date.cpp
@@ -24,13 +24,12 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/Optional.h>
 #include <AK/String.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DateTime.h>
 #include <stdio.h>
-#include <string.h>
 #include <time.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/ddate.cpp b/Userland/Utilities/ddate.cpp
index 763a5a3493..8018365a9b 100644
--- a/Userland/Utilities/ddate.cpp
+++ b/Userland/Utilities/ddate.cpp
@@ -27,6 +27,7 @@
 #include <AK/String.h>
 #include <LibCore/DateTime.h>
 #include <stdio.h>
+#include <unistd.h>
 
 class DiscordianDate {
 public:
diff --git a/Userland/Utilities/disasm.cpp b/Userland/Utilities/disasm.cpp
index 5f65c484be..b1dac22129 100644
--- a/Userland/Utilities/disasm.cpp
+++ b/Userland/Utilities/disasm.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Debug.h>
-#include <AK/LogStream.h>
 #include <AK/MappedFile.h>
 #include <AK/QuickSort.h>
 #include <AK/Vector.h>
@@ -33,7 +32,6 @@
 #include <LibELF/Image.h>
 #include <LibX86/Disassembler.h>
 #include <LibX86/ELFSymbolProvider.h>
-#include <stdio.h>
 #include <string.h>
 
 int main(int argc, char** argv)
diff --git a/Userland/Utilities/expr.cpp b/Userland/Utilities/expr.cpp
index f96a67c8fa..42df5c5785 100644
--- a/Userland/Utilities/expr.cpp
+++ b/Userland/Utilities/expr.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/GenericLexer.h>
-#include <AK/LogStream.h>
 #include <AK/NonnullOwnPtr.h>
 #include <AK/OwnPtr.h>
 #include <AK/Queue.h>
diff --git a/Userland/Utilities/fortune.cpp b/Userland/Utilities/fortune.cpp
index cbd1ee3315..e911b2a6ed 100644
--- a/Userland/Utilities/fortune.cpp
+++ b/Userland/Utilities/fortune.cpp
@@ -35,6 +35,7 @@
 #include <LibCore/File.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 class Quote {
 public:
diff --git a/Userland/Utilities/functrace.cpp b/Userland/Utilities/functrace.cpp
index 8cad0b6c8c..1bcbdcbbdb 100644
--- a/Userland/Utilities/functrace.cpp
+++ b/Userland/Utilities/functrace.cpp
@@ -28,7 +28,6 @@
 #include <AK/ByteBuffer.h>
 #include <AK/Demangle.h>
 #include <AK/HashMap.h>
-#include <AK/LogStream.h>
 #include <AK/NonnullOwnPtr.h>
 #include <AK/StringBuilder.h>
 #include <LibC/sys/arch/i386/regs.h>
diff --git a/Userland/Utilities/gml-format.cpp b/Userland/Utilities/gml-format.cpp
index 79ce530a32..cc72fffa7d 100644
--- a/Userland/Utilities/gml-format.cpp
+++ b/Userland/Utilities/gml-format.cpp
@@ -27,6 +27,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <LibGUI/GMLFormatter.h>
+#include <unistd.h>
 
 bool format_file(const StringView&, bool);
 
diff --git a/Userland/Utilities/gron.cpp b/Userland/Utilities/gron.cpp
index 38359d515d..5f529b76cb 100644
--- a/Userland/Utilities/gron.cpp
+++ b/Userland/Utilities/gron.cpp
@@ -32,6 +32,7 @@
 #include <LibCore/File.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 static bool use_color = false;
 static void print(const String& name, const JsonValue&, Vector<String>& trail);
diff --git a/Userland/Utilities/gunzip.cpp b/Userland/Utilities/gunzip.cpp
index 8898cbae15..4f98f67b8e 100644
--- a/Userland/Utilities/gunzip.cpp
+++ b/Userland/Utilities/gunzip.cpp
@@ -27,6 +27,7 @@
 #include <LibCompress/Gzip.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/FileStream.h>
+#include <unistd.h>
 
 static void decompress_file(Buffered<Core::InputFileStream>& input_stream, Buffered<Core::OutputFileStream>& output_stream)
 {
diff --git a/Userland/Utilities/head.cpp b/Userland/Utilities/head.cpp
index 132df61ee6..8ee9d050f1 100644
--- a/Userland/Utilities/head.cpp
+++ b/Userland/Utilities/head.cpp
@@ -28,8 +28,8 @@
 #include <LibCore/ArgsParser.h>
 #include <errno.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 int head(const String& filename, bool print_filename, int line_count, int char_count);
 
diff --git a/Userland/Utilities/hexdump.cpp b/Userland/Utilities/hexdump.cpp
index a4c4b04cb8..4547ceaa30 100644
--- a/Userland/Utilities/hexdump.cpp
+++ b/Userland/Utilities/hexdump.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/ByteBuffer.h>
-#include <AK/LogStream.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <ctype.h>
diff --git a/Userland/Utilities/html.cpp b/Userland/Utilities/html.cpp
index b6e2524474..ec4da58e4e 100644
--- a/Userland/Utilities/html.cpp
+++ b/Userland/Utilities/html.cpp
@@ -35,6 +35,7 @@
 #include <LibGfx/Bitmap.h>
 #include <LibWeb/OutOfProcessWebView.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/ini.cpp b/Userland/Utilities/ini.cpp
index 5ac2c445a3..72d8f76f3a 100644
--- a/Userland/Utilities/ini.cpp
+++ b/Userland/Utilities/ini.cpp
@@ -28,6 +28,7 @@
 #include <LibCore/ConfigFile.h>
 #include <LibCore/File.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/js.cpp b/Userland/Utilities/js.cpp
index 2601ccf5c4..659c5b8c8b 100644
--- a/Userland/Utilities/js.cpp
+++ b/Userland/Utilities/js.cpp
@@ -58,6 +58,7 @@
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
+#include <unistd.h>
 
 RefPtr<JS::VM> vm;
 Vector<String> repl_statements;
diff --git a/Userland/Utilities/lsirq.cpp b/Userland/Utilities/lsirq.cpp
index 82402cc1b8..48cf0a9ed3 100644
--- a/Userland/Utilities/lsirq.cpp
+++ b/Userland/Utilities/lsirq.cpp
@@ -27,9 +27,9 @@
 #include <AK/ByteBuffer.h>
 #include <AK/JsonArray.h>
 #include <AK/JsonObject.h>
-#include <AK/String.h>
 #include <LibCore/File.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
 {
diff --git a/Userland/Utilities/lspci.cpp b/Userland/Utilities/lspci.cpp
index 1055935c2e..e54e01c2e5 100644
--- a/Userland/Utilities/lspci.cpp
+++ b/Userland/Utilities/lspci.cpp
@@ -32,6 +32,7 @@
 #include <LibCore/File.h>
 #include <LibPCIDB/Database.h>
 #include <stdio.h>
+#include <unistd.h>
 
 static bool flag_show_numerical = false;
 
diff --git a/Userland/Utilities/misbehaving-application.cpp b/Userland/Utilities/misbehaving-application.cpp
index cee1ccab1c..1517b95597 100644
--- a/Userland/Utilities/misbehaving-application.cpp
+++ b/Userland/Utilities/misbehaving-application.cpp
@@ -26,7 +26,7 @@
 
 #include <LibCore/EventLoop.h>
 #include <LibCore/Timer.h>
-#include <stdio.h>
+#include <unistd.h>
 
 int main(int, char**)
 {
diff --git a/Userland/Utilities/mktemp.cpp b/Userland/Utilities/mktemp.cpp
index c1b627ffca..3b6b962690 100644
--- a/Userland/Utilities/mktemp.cpp
+++ b/Userland/Utilities/mktemp.cpp
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 constexpr const char* default_template = "tmp.XXXXXXXXXX";
 
diff --git a/Userland/Utilities/mv.cpp b/Userland/Utilities/mv.cpp
index 2e7973f84f..41e3b5025d 100644
--- a/Userland/Utilities/mv.cpp
+++ b/Userland/Utilities/mv.cpp
@@ -30,6 +30,7 @@
 #include <LibCore/File.h>
 #include <stdio.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/pmap.cpp b/Userland/Utilities/pmap.cpp
index b752ecb3cb..53fd6016e8 100644
--- a/Userland/Utilities/pmap.cpp
+++ b/Userland/Utilities/pmap.cpp
@@ -31,6 +31,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/readelf.cpp b/Userland/Utilities/readelf.cpp
index 08bd2e6607..c778a408a7 100644
--- a/Userland/Utilities/readelf.cpp
+++ b/Userland/Utilities/readelf.cpp
@@ -33,6 +33,7 @@
 #include <LibELF/Validation.h>
 #include <ctype.h>
 #include <stdio.h>
+#include <unistd.h>
 
 static const char* object_file_type_to_string(Elf32_Half type)
 {
diff --git a/Userland/Utilities/readlink.cpp b/Userland/Utilities/readlink.cpp
index de65e6212a..7edb372a19 100644
--- a/Userland/Utilities/readlink.cpp
+++ b/Userland/Utilities/readlink.cpp
@@ -27,6 +27,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/File.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/shuf.cpp b/Userland/Utilities/shuf.cpp
index 953323f5a0..9a80f1cb10 100644
--- a/Userland/Utilities/shuf.cpp
+++ b/Userland/Utilities/shuf.cpp
@@ -29,7 +29,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
+#include <unistd.h>
 
 int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
 {
diff --git a/Userland/Utilities/sort.cpp b/Userland/Utilities/sort.cpp
index 34b528f96b..06d0b4ead4 100644
--- a/Userland/Utilities/sort.cpp
+++ b/Userland/Utilities/sort.cpp
@@ -31,6 +31,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
 {
diff --git a/Userland/Utilities/strace.cpp b/Userland/Utilities/strace.cpp
index c43f987e51..36188ba098 100644
--- a/Userland/Utilities/strace.cpp
+++ b/Userland/Utilities/strace.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Assertions.h>
-#include <AK/LogStream.h>
 #include <AK/Types.h>
 #include <LibC/sys/arch/i386/regs.h>
 #include <LibCore/ArgsParser.h>
diff --git a/Userland/Utilities/syscall.cpp b/Userland/Utilities/syscall.cpp
index f5275f75be..381cc534be 100644
--- a/Userland/Utilities/syscall.cpp
+++ b/Userland/Utilities/syscall.cpp
@@ -26,7 +26,6 @@
 
 #include <AK/Debug.h>
 #include <AK/Iterator.h>
-#include <AK/LogStream.h>
 #include <AK/Vector.h>
 #include <LibCore/ArgsParser.h>
 #include <mman.h>
diff --git a/Userland/Utilities/tar.cpp b/Userland/Utilities/tar.cpp
index a3ce48d49e..3e74e09042 100644
--- a/Userland/Utilities/tar.cpp
+++ b/Userland/Utilities/tar.cpp
@@ -24,7 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <AK/LogStream.h>
 #include <AK/Vector.h>
 #include <LibCompress/Gzip.h>
 #include <LibCore/ArgsParser.h>
@@ -33,6 +32,7 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 constexpr size_t buffer_size = 4096;
 
diff --git a/Userland/Utilities/test-bindtodevice.cpp b/Userland/Utilities/test-bindtodevice.cpp
index d96d1e6b29..d9c4f1c24c 100644
--- a/Userland/Utilities/test-bindtodevice.cpp
+++ b/Userland/Utilities/test-bindtodevice.cpp
@@ -29,9 +29,9 @@
 #include <net/if.h>
 #include <netinet/in.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 static void test_invalid(int);
 static void test_no_route(int);
diff --git a/Userland/Utilities/test-js.cpp b/Userland/Utilities/test-js.cpp
index fa763a87e4..09ef8a639e 100644
--- a/Userland/Utilities/test-js.cpp
+++ b/Userland/Utilities/test-js.cpp
@@ -29,7 +29,6 @@
 #include <AK/JsonObject.h>
 #include <AK/JsonValue.h>
 #include <AK/LexicalPath.h>
-#include <AK/LogStream.h>
 #include <AK/QuickSort.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
@@ -44,6 +43,7 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <sys/time.h>
+#include <unistd.h>
 
 #define TOP_LEVEL_TEST_NAME "__$$TOP_LEVEL$$__"
 
diff --git a/Userland/Utilities/test-pthread.cpp b/Userland/Utilities/test-pthread.cpp
index ba56367410..6e2d492e33 100644
--- a/Userland/Utilities/test-pthread.cpp
+++ b/Userland/Utilities/test-pthread.cpp
@@ -28,6 +28,7 @@
 #include <AK/NonnullRefPtrVector.h>
 #include <LibThread/Thread.h>
 #include <pthread.h>
+#include <unistd.h>
 
 static void test_once()
 {
diff --git a/Userland/Utilities/test_efault.cpp b/Userland/Utilities/test_efault.cpp
index ba46c8f3f0..fe7507c080 100644
--- a/Userland/Utilities/test_efault.cpp
+++ b/Userland/Utilities/test_efault.cpp
@@ -88,9 +88,6 @@ int main(int, char**)
         EXPECT_EFAULT(read, (void*)kernel_address, 1);
     }
 
-    char buffer[4096];
-    EXPECT_EFAULT_NO_FD(dbgputstr, buffer, 0xffffff00);
-
     // Test the page just below where the kernel VM begins.
     u8* jerk_page = (u8*)mmap((void*)(0xc0000000 - PAGE_SIZE), PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, 0, 0);
     VERIFY(jerk_page == (void*)(0xc0000000 - PAGE_SIZE));
diff --git a/Userland/Utilities/test_io.cpp b/Userland/Utilities/test_io.cpp
index 404d76f2b9..7384ffa7b8 100644
--- a/Userland/Utilities/test_io.cpp
+++ b/Userland/Utilities/test_io.cpp
@@ -25,7 +25,6 @@
  */
 
 #include <AK/Assertions.h>
-#include <AK/LogStream.h>
 #include <AK/Types.h>
 #include <LibCore/File.h>
 #include <fcntl.h>
diff --git a/Userland/Utilities/tree.cpp b/Userland/Utilities/tree.cpp
index 6fdb2bd9f0..7733914d64 100644
--- a/Userland/Utilities/tree.cpp
+++ b/Userland/Utilities/tree.cpp
@@ -25,15 +25,16 @@
  */
 
 #include <AK/LexicalPath.h>
-#include <AK/LogStream.h>
 #include <AK/QuickSort.h>
 #include <AK/String.h>
 #include <AK/StringBuilder.h>
 #include <AK/Vector.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
+#include <errno.h>
 #include <stdio.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 static bool flag_show_hidden_files = false;
 static bool flag_show_only_directories = false;
diff --git a/Userland/Utilities/uniq.cpp b/Userland/Utilities/uniq.cpp
index 7ace26d21c..118490938e 100644
--- a/Userland/Utilities/uniq.cpp
+++ b/Userland/Utilities/uniq.cpp
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 struct linebuf {
     char* buf = NULL;
diff --git a/Userland/Utilities/utmpupdate.cpp b/Userland/Utilities/utmpupdate.cpp
index 17db0f568e..ff9b284c51 100644
--- a/Userland/Utilities/utmpupdate.cpp
+++ b/Userland/Utilities/utmpupdate.cpp
@@ -30,6 +30,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DateTime.h>
 #include <LibCore/File.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/wc.cpp b/Userland/Utilities/wc.cpp
index cf9fa62d35..912820f995 100644
--- a/Userland/Utilities/wc.cpp
+++ b/Userland/Utilities/wc.cpp
@@ -31,6 +31,7 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 struct Count {
     String name;
diff --git a/Userland/Utilities/which.cpp b/Userland/Utilities/which.cpp
index e902fae2e7..545addab07 100644
--- a/Userland/Utilities/which.cpp
+++ b/Userland/Utilities/which.cpp
@@ -27,6 +27,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
diff --git a/Userland/Utilities/xargs.cpp b/Userland/Utilities/xargs.cpp
index 8bb7efaaa8..d455e9b897 100644
--- a/Userland/Utilities/xargs.cpp
+++ b/Userland/Utilities/xargs.cpp
@@ -34,6 +34,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 bool run_command(Vector<char*>&& child_argv, bool verbose, bool is_stdin, int devnull_fd);