diff --git a/libavcodec/mangle.h b/libavcodec/mangle.h
deleted file mode 100644
index 8709cd15438ffa32d3a7009367aa5979a900b27d..0000000000000000000000000000000000000000
--- a/libavcodec/mangle.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "../mangle.h"
-
diff --git a/mangle.h b/mangle.h
deleted file mode 100644
index df74777746e96b326491a124982985abd44d4da8..0000000000000000000000000000000000000000
--- a/mangle.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* mangle.h - This file has some CPP macros to deal with different symbol
- * mangling across binary formats.
- * (c)2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
- * File licensed under the GPL, see http://www.fsf.org/ for more info.
- */
-
-#ifndef __MANGLE_H
-#define __MANGLE_H
-
-/* Feel free to add more to the list, eg. a.out IMO */
-#if defined(__CYGWIN__)
-#define MANGLE(a) "_" #a
-#else
-#define MANGLE(a) #a
-#endif
-
-#endif /* !__MANGLE_H */
-