diff --git a/builtin/log.c b/builtin/log.c
index f67b67d..ae6ebee 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -354,7 +354,6 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
 	 */
 	early_output_timer.it_value.tv_sec = 0;
 	early_output_timer.it_value.tv_usec = 500000;
-	setitimer(ITIMER_REAL, &early_output_timer, NULL);
 }
 
 static void early_output(int signal)
@@ -388,7 +387,6 @@ static void setup_early_output(void)
 	 */
 	early_output_timer.it_value.tv_sec = 0;
 	early_output_timer.it_value.tv_usec = 100000;
-	setitimer(ITIMER_REAL, &early_output_timer, NULL);
 }
 
 static void finish_early_output(struct rev_info *rev)
diff --git a/git-compat-util.h b/git-compat-util.h
index 3b2738c..618f6d2 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1251,14 +1251,6 @@ int warn_on_fopen_errors(const char *path);
 #endif
 
 #ifndef _POSIX_THREAD_SAFE_FUNCTIONS
-static inline void flockfile(FILE *fh)
-{
-	; /* nothing */
-}
-static inline void funlockfile(FILE *fh)
-{
-	; /* nothing */
-}
 #define getc_unlocked(fh) getc(fh)
 #endif
 
diff --git a/progress.c b/progress.c
index 31014e6..d48acce 100644
--- a/progress.c
+++ b/progress.c
@@ -83,7 +83,6 @@ static void set_progress_signal(void)
 	v.it_interval.tv_sec = 1;
 	v.it_interval.tv_usec = 0;
 	v.it_value = v.it_interval;
-	setitimer(ITIMER_REAL, &v, NULL);
 }
 
 static void clear_progress_signal(void)
@@ -93,7 +92,6 @@ static void clear_progress_signal(void)
 	if (progress_testing)
 		return;
 
-	setitimer(ITIMER_REAL, &v, NULL);
 	signal(SIGALRM, SIG_IGN);
 	progress_update = 0;
 }