diff --git a/libavfilter/x86/vf_bwdif.asm b/libavfilter/x86/vf_bwdif.asm
index 147b7c6ac6..0b453da53b 100644
--- a/libavfilter/x86/vf_bwdif.asm
+++ b/libavfilter/x86/vf_bwdif.asm
@@ -264,7 +264,3 @@ INIT_XMM ssse3
 BWDIF
 INIT_XMM sse2
 BWDIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-BWDIF
-%endif
diff --git a/libavfilter/x86/vf_bwdif_init.c b/libavfilter/x86/vf_bwdif_init.c
index f632c4f340..e24e5cd9b1 100644
--- a/libavfilter/x86/vf_bwdif_init.c
+++ b/libavfilter/x86/vf_bwdif_init.c
@@ -24,10 +24,6 @@
 #include "libavutil/x86/cpu.h"
 #include "libavfilter/bwdif.h"
 
-void ff_bwdif_filter_line_mmxext(void *dst, void *prev, void *cur, void *next,
-                                 int w, int prefs, int mrefs, int prefs2,
-                                 int mrefs2, int prefs3, int mrefs3, int prefs4,
-                                 int mrefs4, int parity, int clip_max);
 void ff_bwdif_filter_line_sse2(void *dst, void *prev, void *cur, void *next,
                                int w, int prefs, int mrefs, int prefs2,
                                int mrefs2, int prefs3, int mrefs3, int prefs4,
@@ -37,10 +33,6 @@ void ff_bwdif_filter_line_ssse3(void *dst, void *prev, void *cur, void *next,
                                 int mrefs2, int prefs3, int mrefs3, int prefs4,
                                 int mrefs4, int parity, int clip_max);
 
-void ff_bwdif_filter_line_12bit_mmxext(void *dst, void *prev, void *cur, void *next,
-                                       int w, int prefs, int mrefs, int prefs2,
-                                       int mrefs2, int prefs3, int mrefs3, int prefs4,
-                                       int mrefs4, int parity, int clip_max);
 void ff_bwdif_filter_line_12bit_sse2(void *dst, void *prev, void *cur, void *next,
                                      int w, int prefs, int mrefs, int prefs2,
                                      int mrefs2, int prefs3, int mrefs3, int prefs4,
@@ -57,19 +49,11 @@ av_cold void ff_bwdif_init_x86(BWDIFContext *bwdif)
     int bit_depth = (!yadif->csp) ? 8 : yadif->csp->comp[0].depth;
 
     if (bit_depth <= 8) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            bwdif->filter_line = ff_bwdif_filter_line_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             bwdif->filter_line = ff_bwdif_filter_line_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
             bwdif->filter_line = ff_bwdif_filter_line_ssse3;
     } else if (bit_depth <= 12) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            bwdif->filter_line = ff_bwdif_filter_line_12bit_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             bwdif->filter_line = ff_bwdif_filter_line_12bit_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))