diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index bd75293d27..76e52ba839 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1305,17 +1305,13 @@ typedef struct AVCodecContext {
     unsigned dsp_mask;
 #define FF_MM_FORCE    0x80000000 /* Force usage of selected flags (OR) */
     /* lower 16 bits - CPU features */
-#ifdef HAVE_MMX
 #define FF_MM_MMX      0x0001 /* standard MMX */
 #define FF_MM_3DNOW    0x0004 /* AMD 3DNOW */
 #define FF_MM_MMXEXT   0x0002 /* SSE integer functions or AMD MMX ext */
 #define FF_MM_SSE      0x0008 /* SSE functions */
 #define FF_MM_SSE2     0x0010 /* PIV SSE2 functions */
 #define FF_MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
-#endif /* HAVE_MMX */
-#ifdef HAVE_IWMMXT
 #define FF_MM_IWMMXT   0x0100 /* XScale IWMMXT */
-#endif /* HAVE_IWMMXT */
 
     /**
      * bits per sample/pixel from the demuxer (needed for huffyuv).