diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 35f7c1073c..64510f3746 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -40,10 +40,6 @@
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
 
-#if HAVE_MMX_EXTERNAL
-#include "x86/dsputil_x86.h"
-#endif
-
 #define FF_COLOR_NA      -1
 #define FF_COLOR_RGB      0 /**< RGB color space */
 #define FF_COLOR_GRAY     1 /**< gray color space */
diff --git a/libavcodec/imgconvert.h b/libavcodec/imgconvert.h
index df8cee794f..0ce626d7a2 100644
--- a/libavcodec/imgconvert.h
+++ b/libavcodec/imgconvert.h
@@ -21,6 +21,24 @@
 
 #include <stdint.h>
 
+#include "version.h"
+
+#if FF_API_DEINTERLACE
+
+void ff_deinterlace_line_mmx(uint8_t *dst,
+                             const uint8_t *lum_m4, const uint8_t *lum_m3,
+                             const uint8_t *lum_m2, const uint8_t *lum_m1,
+                             const uint8_t *lum,
+                             int size);
+
+void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4,
+                                     const uint8_t *lum_m3,
+                                     const uint8_t *lum_m2,
+                                     const uint8_t *lum_m1,
+                                     const uint8_t *lum, int size);
+
+#endif /* FF_API_DEINTERLACE */
+
 /* 1/2^n downscaling functions */
 void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
 void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
diff --git a/libavcodec/x86/dsputil_x86.h b/libavcodec/x86/dsputil_x86.h
index 264d1fff11..f56d8f3ca4 100644
--- a/libavcodec/x86/dsputil_x86.h
+++ b/libavcodec/x86/dsputil_x86.h
@@ -100,18 +100,6 @@ void ff_put_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels,
 void ff_mmx_idct(int16_t *block);
 void ff_mmxext_idct(int16_t *block);
 
-void ff_deinterlace_line_mmx(uint8_t *dst,
-                             const uint8_t *lum_m4, const uint8_t *lum_m3,
-                             const uint8_t *lum_m2, const uint8_t *lum_m1,
-                             const uint8_t *lum,
-                             int size);
-
-void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4,
-                                     const uint8_t *lum_m3,
-                                     const uint8_t *lum_m2,
-                                     const uint8_t *lum_m1,
-                                     const uint8_t *lum, int size);
-
 #define PIXELS16(STATIC, PFX1, PFX2, TYPE, CPUEXT)                      \
 STATIC void PFX1 ## _pixels16 ## TYPE ## CPUEXT(uint8_t *block,         \
                                                 const uint8_t *pixels,  \