--- a/gfx/cairo/libpixman/src/pixman-fast-path.c
+++ b/gfx/cairo/libpixman/src/pixman-fast-path.c
@@ -645,17 +645,17 @@ fast_composite_src_x888_8888 (pixman_imp
 	src_line += src_stride;
 	w = width;
 
 	while (w--)
 	    *dst++ = (*src++) | 0xff000000;
     }
 }
 
-#if 1
+#if 0
 static void
 fast_composite_over_8888_0888 (pixman_implementation_t *imp,
 			       pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint8_t     *dst_line, *dst;
     uint32_t d;
     uint32_t    *src_line, *src, s;
@@ -1250,17 +1250,17 @@ scaled_bilinear_scanline_8888_8888_OVER 
 				      bl, br,
 				      interpolation_coord(vx),
 				      wb >> (8 - INTERPOLATION_PRECISION_BITS));
 	vx += unit_x;
 	*dst++ = over (src, d);
     }
 }
 
-#if 0
+#if 1
 
 static force_inline void
 scaled_bilinear_scanline_565_565_SRC (uint16_t *       dst,
 				      const uint32_t * mask,
 				      const uint16_t * src_top,
 				      const uint16_t * src_bottom,
 				      int32_t          w,
 				      int              wt,