diff --git a/libavdevice/audio.c b/libavdevice/audio.c
index 6cd3313a90..53c65116d1 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 04e3190962..3e3ce31dba 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>