diff --git a/libavdevice/audio.c b/libavdevice/audio.c
index 6cd3313a90c6c0c9ccfe51b1864094f4cbf01d8f..53c65116d13e9cfad1b47559bb79acd852c45db1 100644
--- a/libavdevice/audio.c
+++ b/libavdevice/audio.c
@@ -31,9 +31,6 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
 #include <sys/time.h>
 
 #define AUDIO_BLOCK_SIZE 4096
diff --git a/libavdevice/x11grab.c b/libavdevice/x11grab.c
index 04e31909622b37978d2fbfd5476c9795d9b36bd0..3e3ce31dba3db5a81e0cc42830c022474534ccf0 100644
--- a/libavdevice/x11grab.c
+++ b/libavdevice/x11grab.c
@@ -40,9 +40,6 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
 #include <sys/time.h>
 #define _LINUX_TIME_H 1
 #include <time.h>