diff --git a/libavcodec/x86/fft_mmx.asm b/libavcodec/x86/fft_mmx.asm
index bd2e8297e7..27276a1a31 100644
--- a/libavcodec/x86/fft_mmx.asm
+++ b/libavcodec/x86/fft_mmx.asm
@@ -299,6 +299,7 @@ IF%1 mova  Z(1), m5
 
 INIT_YMM
 
+%ifdef HAVE_AVX
 align 16
 fft8_avx:
     mova      m0, Z(0)
@@ -387,6 +388,7 @@ fft32_interleave_avx:
     sub r2d, mmsize/4
     jg .deint_loop
     ret
+%endif
 
 INIT_XMM
 %define movdqa  movaps
@@ -532,6 +534,7 @@ DEFINE_ARGS z, w, n, o1, o3
 
 INIT_YMM
 
+%ifdef HAVE_AVX
 %macro INTERL_AVX 5
     vunpckhps      %3, %2, %1
     vunpcklps      %2, %2, %1
@@ -545,6 +548,7 @@ INIT_YMM
 
 DECL_PASS pass_avx, PASS_BIG 1
 DECL_PASS pass_interleave_avx, PASS_BIG 0
+%endif
 
 INIT_XMM
 
@@ -634,8 +638,10 @@ cglobal fft_dispatch%3%2, 2,5,8, z, nbits
     RET
 %endmacro ; DECL_FFT
 
+%ifdef HAVE_AVX
 DECL_FFT 6, _avx
 DECL_FFT 6, _avx, _interleave
+%endif
 DECL_FFT 5, _sse
 DECL_FFT 5, _sse, _interleave
 DECL_FFT 4, _3dn
@@ -847,4 +853,6 @@ DECL_IMDCT _sse, POSROTATESHUF
 
 INIT_YMM
 
+%ifdef HAVE_AVX
 DECL_IMDCT _avx, POSROTATESHUF_AVX
+%endif
diff --git a/libavcodec/x86/fft_sse.c b/libavcodec/x86/fft_sse.c
index 5b52988d09..add20dd5b2 100644
--- a/libavcodec/x86/fft_sse.c
+++ b/libavcodec/x86/fft_sse.c
@@ -22,6 +22,7 @@
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/dsputil.h"
 #include "fft.h"
+#include "config.h"
 
 DECLARE_ASM_CONST(16, int, ff_m1m1m1m1)[4] =
     { 1 << 31, 1 << 31, 1 << 31, 1 << 31 };
@@ -30,10 +31,12 @@ void ff_fft_dispatch_sse(FFTComplex *z, int nbits);
 void ff_fft_dispatch_interleave_sse(FFTComplex *z, int nbits);
 void ff_fft_dispatch_interleave_avx(FFTComplex *z, int nbits);
 
+#if HAVE_AVX
 void ff_fft_calc_avx(FFTContext *s, FFTComplex *z)
 {
     ff_fft_dispatch_interleave_avx(z, s->nbits);
 }
+#endif
 
 void ff_fft_calc_sse(FFTContext *s, FFTComplex *z)
 {