diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 190862e8988059bc53c4fce415dd3b113703c623..317b72641ebf18cef26baace46000a0382f793b1 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -27,7 +27,7 @@
 
 #include "internal.h"
 
-DEFINE_SPINLOCK(proc_subdir_lock);
+static DEFINE_SPINLOCK(proc_subdir_lock);
 
 static int proc_match(unsigned int len, const char *name, struct proc_dir_entry *de)
 {
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index a38408a1dd84b577bbf6ddafeb6ae49d78a2a235..a17accbd05ee5f0489323ead1d00410e67f1d626 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -178,8 +178,6 @@ extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, i
 /*
  * generic.c
  */
-extern spinlock_t proc_subdir_lock;
-
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int);
 extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *,
 				     struct dentry *);