diff --git a/src/libmpd-internal.h b/src/libmpd-internal.h
index c84c3a4..51be441 100644
--- a/src/libmpd-internal.h
+++ b/src/libmpd-internal.h
@@ -206,10 +206,6 @@ int mpd_unlock_conn(MpdObj *mi);
 MpdData * mpd_misc_sort_tag_list(MpdData *data);
 
 
-#ifndef HAVE_STRNDUP
-char * 		strndup					(const char *s, size_t n);
-#endif
-
 int mpd_server_get_allowed_commands(MpdObj *mi);
 typedef enum _MpdSearchType {
 	MPD_SEARCH_TYPE_NONE,