diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 351ed7ada7..c446aaca38 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -42,9 +42,6 @@
 #include "x86/dsputil_mmx.h"
 #endif
 
-#define xglue(x, y) x ## y
-#define glue(x, y) xglue(x, y)
-
 #define FF_COLOR_RGB      0 /**< RGB color space */
 #define FF_COLOR_GRAY     1 /**< gray color space */
 #define FF_COLOR_YUV      2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */