diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index d7ace631fc4f..112b94ed3298 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -68,7 +68,6 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <errno.h>
-#include <ctype.h>
 #include <time.h>
 #include <sched.h>
 #include <pthread.h>
diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c
index dea016fa41e8..6a276d2b2bbc 100644
--- a/Documentation/perf_counter/builtin-top.c
+++ b/Documentation/perf_counter/builtin-top.c
@@ -49,7 +49,6 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <errno.h>
-#include <ctype.h>
 #include <time.h>
 #include <sched.h>
 #include <pthread.h>