diff --git a/security/keys/internal.h b/security/keys/internal.h
index 8c05587f5018b49147bf44ed5f4ad846a173573b..b39f5c2e2c4b1d5874196f3954f65ea494af391c 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -78,7 +78,6 @@ extern unsigned key_quota_maxbytes;
 
 extern struct rb_root key_serial_tree;
 extern spinlock_t key_serial_lock;
-extern struct semaphore key_alloc_sem;
 extern struct mutex key_construction_mutex;
 extern wait_queue_head_t request_key_conswq;