diff --git a/libavfilter/x86/vf_yadif.asm b/libavfilter/x86/vf_yadif.asm
index a29620ce55..809cebdd3f 100644
--- a/libavfilter/x86/vf_yadif.asm
+++ b/libavfilter/x86/vf_yadif.asm
@@ -133,12 +133,8 @@ SECTION .text
     psubusb      m2, m3
     psubusb      m3, m4
     pmaxub       m2, m3
-%if mmsize == 16
     mova         m3, m2
     psrldq       m3, 2
-%else
-    pshufw       m3, m2, q0021
-%endif
     punpcklbw    m2, m7
     punpcklbw    m3, m7
     paddw        m0, m2
@@ -237,7 +233,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif
diff --git a/libavfilter/x86/vf_yadif_init.c b/libavfilter/x86/vf_yadif_init.c
index 66cbee8510..257c3f9199 100644
--- a/libavfilter/x86/vf_yadif_init.c
+++ b/libavfilter/x86/vf_yadif_init.c
@@ -23,9 +23,6 @@
 #include "libavutil/x86/cpu.h"
 #include "libavfilter/yadif.h"
 
-void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
-                                 void *next, int w, int prefs,
-                                 int mrefs, int parity, int mode);
 void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
                                void *next, int w, int prefs,
                                int mrefs, int parity, int mode);
@@ -33,9 +30,6 @@ void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
                                 void *next, int w, int prefs,
                                 int mrefs, int parity, int mode);
 
-void ff_yadif_filter_line_16bit_mmxext(void *dst, void *prev, void *cur,
-                                       void *next, int w, int prefs,
-                                       int mrefs, int parity, int mode);
 void ff_yadif_filter_line_16bit_sse2(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
@@ -46,9 +40,6 @@ void ff_yadif_filter_line_16bit_sse4(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
 
-void ff_yadif_filter_line_10bit_mmxext(void *dst, void *prev, void *cur,
-                                       void *next, int w, int prefs,
-                                       int mrefs, int parity, int mode);
 void ff_yadif_filter_line_10bit_sse2(void *dst, void *prev, void *cur,
                                      void *next, int w, int prefs,
                                      int mrefs, int parity, int mode);
@@ -63,10 +54,6 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
                                   : yadif->csp->comp[0].depth;
 
     if (bit_depth >= 15) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_16bit_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_16bit_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
@@ -74,19 +61,11 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
         if (EXTERNAL_SSE4(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_16bit_sse4;
     } else if ( bit_depth >= 9 && bit_depth <= 14) {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_10bit_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_10bit_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_10bit_ssse3;
     } else {
-#if ARCH_X86_32
-        if (EXTERNAL_MMXEXT(cpu_flags))
-            yadif->filter_line = ff_yadif_filter_line_mmxext;
-#endif /* ARCH_X86_32 */
         if (EXTERNAL_SSE2(cpu_flags))
             yadif->filter_line = ff_yadif_filter_line_sse2;
         if (EXTERNAL_SSSE3(cpu_flags))
diff --git a/libavfilter/x86/yadif-10.asm b/libavfilter/x86/yadif-10.asm
index 8853e0d2c7..c6952db64b 100644
--- a/libavfilter/x86/yadif-10.asm
+++ b/libavfilter/x86/yadif-10.asm
@@ -249,7 +249,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif
diff --git a/libavfilter/x86/yadif-16.asm b/libavfilter/x86/yadif-16.asm
index 9053b378a5..09cc543d7e 100644
--- a/libavfilter/x86/yadif-16.asm
+++ b/libavfilter/x86/yadif-16.asm
@@ -287,7 +287,3 @@ INIT_XMM ssse3
 YADIF
 INIT_XMM sse2
 YADIF
-%if ARCH_X86_32
-INIT_MMX mmxext
-YADIF
-%endif