diff --git a/libavcodec/fft-test.c b/libavcodec/fft-test.c
index e108a6f7ba..d2497383d5 100644
--- a/libavcodec/fft-test.c
+++ b/libavcodec/fft-test.c
@@ -28,6 +28,8 @@
 #include <unistd.h>
 #include <sys/time.h>
 
+#undef exit
+
 int mm_flags;
 
 /* reference fft */
diff --git a/libavcodec/motion_test.c b/libavcodec/motion_test.c
index 8540b74834..ecdb62a4e1 100644
--- a/libavcodec/motion_test.c
+++ b/libavcodec/motion_test.c
@@ -33,6 +33,7 @@
 
 #include "i386/mmx.h"
 
+#undef exit
 #undef printf
 
 int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);