diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index a6cd1474c..df6a70d96 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -318,7 +318,6 @@ int priv_socket_connect(struct priv *priv);
 
 struct mlx5_mr *priv_mr_new(struct priv *priv, struct rte_mempool *mp,
 			    uintptr_t addr);
-struct mlx5_mr *priv_mr_get(struct priv *, struct rte_mempool *);
 int priv_mr_release(struct priv *, struct mlx5_mr *);
 int priv_mr_verify(struct priv *);
 struct mlx5_mr *priv_mr_lookup(struct priv *priv, uintptr_t addr);
diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
index 8d8fabea1..bd1be5606 100644
--- a/drivers/net/mlx5/mlx5_mr.c
+++ b/drivers/net/mlx5/mlx5_mr.c
@@ -88,15 +88,11 @@ mlx5_mempool_register_cb(struct rte_mempool *mp, void *opaque,
 		cb->error = -1;
 		return;
 	}
-	mr->mp = mp;
 	DEBUG("mempool %p:%u area start=%p size=%zu lkey=0x%08x",
 	      (void *)mp, mem_idx, memhdr->addr, memhdr->len, mr->mr->lkey);
 	mr->lkey = rte_cpu_to_be_32(mr->mr->lkey);
 	mr->start = (uintptr_t)memhdr->addr;
 	mr->end = (uintptr_t)mr->mr->addr + mr->mr->length;
-	rte_atomic32_inc(&mr->refcnt);
-	DEBUG("%p: new Memory Region %p refcnt: %d", (void *)priv,
-	      (void *)mr, rte_atomic32_read(&mr->refcnt));
 	LIST_INSERT_HEAD(&priv->mr, mr, next);
 	cb->mr = mr;
 }
@@ -121,11 +117,8 @@ mlx5_mp2mr(struct priv *priv, struct rte_mempool *mp, uintptr_t addr)
 
 	priv_lock(priv);
 	mr = priv_mr_lookup(priv, addr);
-	if (!mr) {
+	if (!mr)
 		mr = priv_mr_new(priv, mp, addr);
-		if (mr)
-			rte_atomic32_inc(&mr->refcnt);
-	}
 	priv_unlock(priv);
 	return mr;
 }
@@ -217,35 +210,6 @@ priv_mr_new(struct priv *priv, struct rte_mempool *mp, uintptr_t addr)
 }
 
 /**
- * Search the memory region object in the memory region list.
- *
- * @param  priv
- *   Pointer to private structure.
- * @param mp
- *   Pointer to the memory pool to register.
- * @return
- *   The memory region on success.
- */
-struct mlx5_mr*
-priv_mr_get(struct priv *priv, struct rte_mempool *mp)
-{
-	struct mlx5_mr *mr;
-
-	assert(mp);
-	if (LIST_EMPTY(&priv->mr))
-		return NULL;
-	LIST_FOREACH(mr, &priv->mr, next) {
-		if (mr->mp == mp) {
-			rte_atomic32_inc(&mr->refcnt);
-			DEBUG("Memory Region %p refcnt: %d",
-			      (void *)mr, rte_atomic32_read(&mr->refcnt));
-			return mr;
-		}
-	}
-	return NULL;
-}
-
-/**
  * Release the memory region object.
  *
  * @param  mr
@@ -259,15 +223,10 @@ priv_mr_release(struct priv *priv, struct mlx5_mr *mr)
 {
 	(void)priv;
 	assert(mr);
-	DEBUG("Memory Region %p refcnt: %d",
-	      (void *)mr, rte_atomic32_read(&mr->refcnt));
-	if (rte_atomic32_dec_and_test(&mr->refcnt)) {
-		claim_zero(ibv_dereg_mr(mr->mr));
-		LIST_REMOVE(mr, next);
-		rte_free(mr);
-		return 0;
-	}
-	return EBUSY;
+	claim_zero(ibv_dereg_mr(mr->mr));
+	LIST_REMOVE(mr, next);
+	rte_free(mr);
+	return 0;
 }
 
 /**
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index a581a2d61..461b4ff91 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -852,7 +852,6 @@ mlx5_priv_rxq_ibv_get(struct priv *priv, uint16_t idx)
 		return NULL;
 	rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
 	if (rxq_ctrl->ibv) {
-		priv_mr_get(priv, rxq_data->mp);
 		rte_atomic32_inc(&rxq_ctrl->ibv->refcnt);
 		DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)priv,
 		      (void *)rxq_ctrl->ibv,
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 6589a662e..0b8332cc0 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -85,12 +85,10 @@ struct priv;
 /* Memory region queue object. */
 struct mlx5_mr {
 	LIST_ENTRY(mlx5_mr) next; /**< Pointer to the next element. */
-	rte_atomic32_t refcnt; /*<< Reference counter. */
 	uint32_t lkey; /*<< rte_cpu_to_be_32(mr->lkey) */
 	uintptr_t start; /* Start address of MR */
 	uintptr_t end; /* End address of MR */
 	struct ibv_mr *mr; /*<< Memory Region. */
-	struct rte_mempool *mp; /*<< Memory Pool. */
 };
 
 /* Compressed CQE context. */
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index 26db15a4f..3c337a4ac 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -801,18 +801,7 @@ mlx5_priv_txq_get(struct priv *priv, uint16_t idx)
 	if ((*priv->txqs)[idx]) {
 		ctrl = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl,
 				    txq);
-		unsigned int i;
-
 		mlx5_priv_txq_ibv_get(priv, idx);
-		for (i = 0; i != MLX5_PMD_TX_MP_CACHE; ++i) {
-			struct mlx5_mr *mr = NULL;
-
-			(void)mr;
-			if (ctrl->txq.mp2mr[i]) {
-				mr = priv_mr_get(priv, ctrl->txq.mp2mr[i]->mp);
-				assert(mr);
-			}
-		}
 		rte_atomic32_inc(&ctrl->refcnt);
 		DEBUG("%p: Tx queue %p: refcnt %d", (void *)priv,
 		      (void *)ctrl, rte_atomic32_read(&ctrl->refcnt));
@@ -834,7 +823,6 @@ mlx5_priv_txq_get(struct priv *priv, uint16_t idx)
 int
 mlx5_priv_txq_release(struct priv *priv, uint16_t idx)
 {
-	unsigned int i;
 	struct mlx5_txq_ctrl *txq;
 
 	if (!(*priv->txqs)[idx])
@@ -849,12 +837,6 @@ mlx5_priv_txq_release(struct priv *priv, uint16_t idx)
 		if (!ret)
 			txq->ibv = NULL;
 	}
-	for (i = 0; i != MLX5_PMD_TX_MP_CACHE; ++i) {
-		if (txq->txq.mp2mr[i]) {
-			priv_mr_release(priv, txq->txq.mp2mr[i]);
-			txq->txq.mp2mr[i] = NULL;
-		}
-	}
 	if (rte_atomic32_dec_and_test(&txq->refcnt)) {
 		txq_free_elts(txq);
 		LIST_REMOVE(txq, next);
