diff --git a/scst/src/scst_main.c b/scst/src/scst_main.c
index a6bf13269..1226a6759 100644
--- a/scst/src/scst_main.c
+++ b/scst/src/scst_main.c
@@ -95,8 +95,6 @@ struct list_head scst_dev_list;
 struct list_head scst_dev_type_list;
 struct list_head scst_virtual_dev_type_list;
 
-spinlock_t scst_main_lock;
-
 static struct kmem_cache *scst_mgmt_cachep;
 mempool_t *scst_mgmt_mempool;
 static struct kmem_cache *scst_mgmt_stub_cachep;
@@ -2425,7 +2423,6 @@ static int __init init_scst(void)
 	INIT_LIST_HEAD(&scst_dev_list);
 	INIT_LIST_HEAD(&scst_dev_type_list);
 	INIT_LIST_HEAD(&scst_virtual_dev_type_list);
-	spin_lock_init(&scst_main_lock);
 #ifdef CONFIG_SCST_PROC
 	INIT_LIST_HEAD(&scst_acg_list);
 #endif
diff --git a/scst/src/scst_priv.h b/scst/src/scst_priv.h
index 358492276..325d92cd8 100644
--- a/scst/src/scst_priv.h
+++ b/scst/src/scst_priv.h
@@ -142,8 +142,6 @@ extern struct kmem_cache *scst_tgt_cachep;
 extern struct kmem_cache *scst_tgtd_cachep;
 extern struct kmem_cache *scst_acgd_cachep;
 
-extern spinlock_t scst_main_lock;
-
 extern unsigned long scst_flags;
 extern struct list_head scst_template_list;
 extern struct list_head scst_dev_list;