diff --git a/fs/file.c b/fs/file.c
index 40ddef9..967bd0d 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -238,7 +238,7 @@
  * expanded and execution may have blocked.
  * The files->file_lock should be held on entry, and will be held on exit.
  */
-int expand_files(struct files_struct *files, int nr)
+static int expand_files(struct files_struct *files, int nr)
 {
 	struct fdtable *fdt;
 
@@ -580,7 +580,7 @@
 	return error;
 }
 
-int alloc_fd(unsigned start, unsigned flags)
+static int alloc_fd(unsigned start, unsigned flags)
 {
 	return __alloc_fd(current->files, start, rlimit(RLIMIT_NOFILE), flags);
 }