diff --git a/libmpcodecs/pullup.c b/libmpcodecs/pullup.c
index 5468f5aa22..490a61c452 100644
--- a/libmpcodecs/pullup.c
+++ b/libmpcodecs/pullup.c
@@ -170,6 +170,7 @@ static int licomb_y(unsigned char *a, unsigned char *b, int s)
 	return diff;
 }
 
+#if 0
 static int licomb_y_test(unsigned char *a, unsigned char *b, int s)
 {
 	int c = licomb_y(a,b,s);
@@ -177,6 +178,7 @@ static int licomb_y_test(unsigned char *a, unsigned char *b, int s)
 	if (c != m) printf("%d != %d\n", c, m);
 	return m;
 }
+#endif