diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 04469e0..ddc8098 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -176,20 +176,6 @@ static struct nvm_dev *nvm_find_nvm_dev(const char *name)
 	return NULL;
 }
 
-struct nvm_block *nvm_get_blk_unlocked(struct nvm_dev *dev, struct nvm_lun *lun,
-							unsigned long flags)
-{
-	return dev->mt->get_blk_unlocked(dev, lun, flags);
-}
-EXPORT_SYMBOL(nvm_get_blk_unlocked);
-
-/* Assumes that all valid pages have already been moved on release to bm */
-void nvm_put_blk_unlocked(struct nvm_dev *dev, struct nvm_block *blk)
-{
-	return dev->mt->put_blk_unlocked(dev, blk);
-}
-EXPORT_SYMBOL(nvm_put_blk_unlocked);
-
 struct nvm_block *nvm_get_blk(struct nvm_dev *dev, struct nvm_lun *lun,
 							unsigned long flags)
 {
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index 41760b2..c65fb67 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -473,15 +473,14 @@ static void gen_unregister(struct nvm_dev *dev)
 	module_put(THIS_MODULE);
 }
 
-static struct nvm_block *gen_get_blk_unlocked(struct nvm_dev *dev,
+static struct nvm_block *gen_get_blk(struct nvm_dev *dev,
 				struct nvm_lun *vlun, unsigned long flags)
 {
 	struct gen_lun *lun = container_of(vlun, struct gen_lun, vlun);
 	struct nvm_block *blk = NULL;
 	int is_gc = flags & NVM_IOTYPE_GC;
 
-	assert_spin_locked(&vlun->lock);
-
+	spin_lock(&vlun->lock);
 	if (list_empty(&lun->free_list)) {
 		pr_err_ratelimited("gen: lun %u have no free pages available",
 								lun->vlun.id);
@@ -496,29 +495,17 @@ static struct nvm_block *gen_get_blk_unlocked(struct nvm_dev *dev,
 	list_move_tail(&blk->list, &lun->used_list);
 	blk->state = NVM_BLK_ST_TGT;
 	lun->vlun.nr_free_blocks--;
-
 out:
-	return blk;
-}
-
-static struct nvm_block *gen_get_blk(struct nvm_dev *dev,
-				struct nvm_lun *vlun, unsigned long flags)
-{
-	struct nvm_block *blk;
-
-	spin_lock(&vlun->lock);
-	blk = gen_get_blk_unlocked(dev, vlun, flags);
 	spin_unlock(&vlun->lock);
 	return blk;
 }
 
-static void gen_put_blk_unlocked(struct nvm_dev *dev, struct nvm_block *blk)
+static void gen_put_blk(struct nvm_dev *dev, struct nvm_block *blk)
 {
 	struct nvm_lun *vlun = blk->lun;
 	struct gen_lun *lun = container_of(vlun, struct gen_lun, vlun);
 
-	assert_spin_locked(&vlun->lock);
-
+	spin_lock(&vlun->lock);
 	if (blk->state & NVM_BLK_ST_TGT) {
 		list_move_tail(&blk->list, &lun->free_list);
 		lun->vlun.nr_free_blocks++;
@@ -532,14 +519,6 @@ static void gen_put_blk_unlocked(struct nvm_dev *dev, struct nvm_block *blk)
 							blk->id, blk->state);
 		list_move_tail(&blk->list, &lun->bb_list);
 	}
-}
-
-static void gen_put_blk(struct nvm_dev *dev, struct nvm_block *blk)
-{
-	struct nvm_lun *vlun = blk->lun;
-
-	spin_lock(&vlun->lock);
-	gen_put_blk_unlocked(dev, blk);
 	spin_unlock(&vlun->lock);
 }
 
@@ -669,9 +648,6 @@ static struct nvmm_type gen = {
 	.create_tgt		= gen_create_tgt,
 	.remove_tgt		= gen_remove_tgt,
 
-	.get_blk_unlocked	= gen_get_blk_unlocked,
-	.put_blk_unlocked	= gen_put_blk_unlocked,
-
 	.get_blk		= gen_get_blk,
 	.put_blk		= gen_put_blk,
 
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 10ed22b..fa8d5be 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -192,21 +192,16 @@ static void rrpc_set_lun_cur(struct rrpc_lun *rlun, struct rrpc_block *rblk)
 static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun,
 							unsigned long flags)
 {
-	struct nvm_lun *lun = rlun->parent;
 	struct nvm_block *blk;
 	struct rrpc_block *rblk;
 
-	spin_lock(&lun->lock);
-	blk = nvm_get_blk_unlocked(rrpc->dev, rlun->parent, flags);
+	blk = nvm_get_blk(rrpc->dev, rlun->parent, flags);
 	if (!blk) {
 		pr_err("nvm: rrpc: cannot get new block from media manager\n");
-		spin_unlock(&lun->lock);
 		return NULL;
 	}
 
 	rblk = rrpc_get_rblk(rlun, blk->id);
-	spin_unlock(&lun->lock);
-
 	blk->priv = rblk;
 	bitmap_zero(rblk->invalid_pages, rrpc->dev->sec_per_blk);
 	rblk->next_page = 0;
@@ -218,12 +213,7 @@ static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun,
 
 static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk)
 {
-	struct rrpc_lun *rlun = rblk->rlun;
-	struct nvm_lun *lun = rlun->parent;
-
-	spin_lock(&lun->lock);
-	nvm_put_blk_unlocked(rrpc->dev, rblk->parent);
-	spin_unlock(&lun->lock);
+	nvm_put_blk(rrpc->dev, rblk->parent);
 }
 
 static void rrpc_put_blks(struct rrpc *rrpc)
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index d619f6d..e9836cf 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -491,8 +491,6 @@ struct nvmm_type {
 	nvmm_remove_tgt_fn *remove_tgt;
 
 	/* Block administration callbacks */
-	nvmm_get_blk_fn *get_blk_unlocked;
-	nvmm_put_blk_fn *put_blk_unlocked;
 	nvmm_get_blk_fn *get_blk;
 	nvmm_put_blk_fn *put_blk;
 	nvmm_open_blk_fn *open_blk;
@@ -522,10 +520,6 @@ struct nvmm_type {
 extern int nvm_register_mgr(struct nvmm_type *);
 extern void nvm_unregister_mgr(struct nvmm_type *);
 
-extern struct nvm_block *nvm_get_blk_unlocked(struct nvm_dev *,
-					struct nvm_lun *, unsigned long);
-extern void nvm_put_blk_unlocked(struct nvm_dev *, struct nvm_block *);
-
 extern struct nvm_block *nvm_get_blk(struct nvm_dev *, struct nvm_lun *,
 								unsigned long);
 extern void nvm_put_blk(struct nvm_dev *, struct nvm_block *);
