diff --git a/libavformat/os_support.h b/libavformat/os_support.h
index f751d41c93..068abdfa33 100644
--- a/libavformat/os_support.h
+++ b/libavformat/os_support.h
@@ -48,8 +48,6 @@
 #include <io.h>
 #endif
 #define mkdir(a, b) _mkdir(a)
-#else
-#include <sys/stat.h>
 #endif
 
 static inline int is_dos_path(const char *path)