diff --git a/libavcodec/x86/fmtconvert.asm b/libavcodec/x86/fmtconvert.asm
index 8f62a0a093..e70df4662d 100644
--- a/libavcodec/x86/fmtconvert.asm
+++ b/libavcodec/x86/fmtconvert.asm
@@ -44,35 +44,17 @@ cglobal int32_to_float_fmul_scalar, 4, 4, %1, dst, src, mul, len
     add     dstq, lenq
     neg     lenq
 .loop:
-%if cpuflag(sse2)
     cvtdq2ps  m1, [srcq+lenq   ]
     cvtdq2ps  m2, [srcq+lenq+16]
-%else
-    cvtpi2ps  m1, [srcq+lenq   ]
-    cvtpi2ps  m3, [srcq+lenq+ 8]
-    cvtpi2ps  m2, [srcq+lenq+16]
-    cvtpi2ps  m4, [srcq+lenq+24]
-    movlhps   m1, m3
-    movlhps   m2, m4
-%endif
     mulps     m1, m0
     mulps     m2, m0
     mova  [dstq+lenq   ], m1
     mova  [dstq+lenq+16], m2
     add     lenq, 32
     jl .loop
-%if notcpuflag(sse2)
-    ;; cvtpi2ps switches to MMX even if the source is a memory location
-    ;; possible an error in documentation since every tested CPU disagrees with
-    ;; that. Use emms anyway since the vast majority of machines will use the
-    ;; SSE2 variant
-    emms
-%endif
     RET
 %endmacro
 
-INIT_XMM sse
-INT32_TO_FLOAT_FMUL_SCALAR 5
 INIT_XMM sse2
 INT32_TO_FLOAT_FMUL_SCALAR 3
 
@@ -89,17 +71,8 @@ cglobal int32_to_float_fmul_array8, 5, 5, 5, c, dst, src, mul, len
 .loop:
     movss     m0, [mulq]
     SPLATD    m0
-%if cpuflag(sse2)
     cvtdq2ps  m1, [srcq+lenq   ]
     cvtdq2ps  m2, [srcq+lenq+16]
-%else
-    cvtpi2ps  m1, [srcq+lenq   ]
-    cvtpi2ps  m3, [srcq+lenq+ 8]
-    cvtpi2ps  m2, [srcq+lenq+16]
-    cvtpi2ps  m4, [srcq+lenq+24]
-    movlhps   m1, m3
-    movlhps   m2, m4
-%endif
     mulps     m1, m0
     mulps     m2, m0
     mova  [dstq+lenq   ], m1
@@ -107,18 +80,9 @@ cglobal int32_to_float_fmul_array8, 5, 5, 5, c, dst, src, mul, len
     add     mulq, 4
     add     lenq, 32
     jl .loop
-%if notcpuflag(sse2)
-    ;; cvtpi2ps switches to MMX even if the source is a memory location
-    ;; possible an error in documentation since every tested CPU disagrees with
-    ;; that. Use emms anyway since the vast majority of machines will use the
-    ;; SSE2 variant
-    emms
-%endif
     RET
 %endmacro
 
-INIT_XMM sse
-INT32_TO_FLOAT_FMUL_ARRAY8
 INIT_XMM sse2
 INT32_TO_FLOAT_FMUL_ARRAY8
 
diff --git a/libavcodec/x86/fmtconvert_init.c b/libavcodec/x86/fmtconvert_init.c
index df097054e4..58b396856e 100644
--- a/libavcodec/x86/fmtconvert_init.c
+++ b/libavcodec/x86/fmtconvert_init.c
@@ -29,10 +29,7 @@
 
 #if HAVE_X86ASM
 
-void ff_int32_to_float_fmul_scalar_sse (float *dst, const int32_t *src, float mul, int len);
 void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float mul, int len);
-void ff_int32_to_float_fmul_array8_sse (FmtConvertContext *c, float *dst, const int32_t *src,
-                                        const float *mul, int len);
 void ff_int32_to_float_fmul_array8_sse2(FmtConvertContext *c, float *dst, const int32_t *src,
                                         const float *mul, int len);
 
@@ -43,10 +40,6 @@ av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx
 #if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_SSE(cpu_flags)) {
-        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse;
-        c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse;
-    }
     if (EXTERNAL_SSE2(cpu_flags)) {
         c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
         c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse2;