diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index c1e60e6d5f..acd13668d7 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -190,15 +190,6 @@ static void check_default_settings(AVCodecContext *avctx)
     }
 }
 
-#define OPT_STR(opt, param)                                             \
-    do {                                                                \
-        if (param && x264_param_parse(&x4->params, opt, param) < 0) {   \
-            av_log(avctx, AV_LOG_ERROR,                                 \
-                   "bad value for '%s': '%s'\n", opt, param);           \
-            return -1;                                                  \
-        }                                                               \
-    } while (0);                                                        \
-
 #define OPT_STR(opt, param)                                             \
     do {                                                                \
         if (param && x264_param_parse(&x4->params, opt, param) < 0) {   \