diff --git a/libswresample/x86/audio_convert.asm b/libswresample/x86/audio_convert.asm
index ad65008e23..40778e0823 100644
--- a/libswresample/x86/audio_convert.asm
+++ b/libswresample/x86/audio_convert.asm
@@ -247,7 +247,6 @@ pack_6ch_%2_to_%1_u_int %+ SUFFIX:
     mov%3     m3, [srcq+src3q]
     mov%3     m4, [srcq+src4q]
     mov%3     m5, [srcq+src5q]
-%if cpuflag(sse)
     SBUTTERFLYPS 0, 1, 6
     SBUTTERFLYPS 2, 3, 6
     SBUTTERFLYPS 4, 5, 6
@@ -281,18 +280,6 @@ pack_6ch_%2_to_%1_u_int %+ SUFFIX:
     mov %+ %3 %+ ps [dstq+48], m1
     mov %+ %3 %+ ps [dstq+64], m2
     mov %+ %3 %+ ps [dstq+80], m5
-%else ; mmx
-    SBUTTERFLY dq, 0, 1, 6
-    SBUTTERFLY dq, 2, 3, 6
-    SBUTTERFLY dq, 4, 5, 6
-
-    movq   [dstq   ], m0
-    movq   [dstq+ 8], m2
-    movq   [dstq+16], m4
-    movq   [dstq+24], m1
-    movq   [dstq+32], m3
-    movq   [dstq+40], m5
-%endif
     add      srcq, mmsize
     add      dstq, mmsize*6
     sub      lend, mmsize/4