diff --git a/libretro-common/include/streams/file_stream.h b/libretro-common/include/streams/file_stream.h
index 543de8621a..ebcfa056d6 100644
--- a/libretro-common/include/streams/file_stream.h
+++ b/libretro-common/include/streams/file_stream.h
@@ -45,8 +45,6 @@ typedef struct RFILE RFILE;
 
 int64_t filestream_get_size(RFILE *stream);
 
-void filestream_set_size(RFILE *stream);
-
 const char *filestream_get_ext(RFILE *stream);
 
 /**
diff --git a/libretro-common/streams/file_stream.c b/libretro-common/streams/file_stream.c
index bb60a9b9f7..8c654d6351 100644
--- a/libretro-common/streams/file_stream.c
+++ b/libretro-common/streams/file_stream.c
@@ -125,11 +125,8 @@ int64_t filestream_get_size(RFILE *stream)
    return stream->size;
 }
 
-void filestream_set_size(RFILE *stream)
+static void filestream_set_size(RFILE *stream)
 {
-   if (!stream)
-      return;
-
    filestream_seek(stream, 0, SEEK_SET);
    filestream_seek(stream, 0, SEEK_END);