diff --git a/libavformat/avio.c b/libavformat/avio.c
index b39f80a5f4..5f5bff158c 100644
--- a/libavformat/avio.c
+++ b/libavformat/avio.c
@@ -110,7 +110,6 @@ int url_read(URLContext *h, unsigned char *buf, int size)
     return ret;
 }
 
-#if defined(CONFIG_MUXERS) || defined(CONFIG_PROTOCOLS)
 int url_write(URLContext *h, unsigned char *buf, int size)
 {
     int ret;
@@ -122,7 +121,6 @@ int url_write(URLContext *h, unsigned char *buf, int size)
     ret = h->prot->url_write(h, buf, size);
     return ret;
 }
-#endif //CONFIG_MUXERS || CONFIG_PROTOCOLS
 
 offset_t url_seek(URLContext *h, offset_t pos, int whence)
 {