diff --git a/doc/guides/rel_notes/release_17_11.rst b/doc/guides/rel_notes/release_17_11.rst
index 170f4f9..8534947 100644
--- a/doc/guides/rel_notes/release_17_11.rst
+++ b/doc/guides/rel_notes/release_17_11.rst
@@ -110,6 +110,8 @@ API Changes
    Also, make sure to start the actual text at the margin.
    =========================================================
 
+   * ``rte_mem_phy2mch`` was used in xen dom0 to obtain the physical address;
+     remove this API as xen dom0 support was removed.
 
 ABI Changes
 -----------
diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
index 31819c5..a0f63a7 100644
--- a/drivers/net/e1000/em_rxtx.c
+++ b/drivers/net/e1000/em_rxtx.c
@@ -1289,7 +1289,7 @@ eth_em_tx_queue_setup(struct rte_eth_dev *dev,
 	txq->port_id = dev->data->port_id;
 
 	txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(queue_idx));
-	txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+	txq->tx_ring_phys_addr = tz->phys_addr;
 	txq->tx_ring = (struct e1000_data_desc *) tz->addr;
 
 	PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
@@ -1416,7 +1416,7 @@ eth_em_rx_queue_setup(struct rte_eth_dev *dev,
 
 	rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(queue_idx));
 	rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(queue_idx));
-	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+	rxq->rx_ring_phys_addr = rz->phys_addr;
 	rxq->rx_ring = (struct e1000_rx_desc *) rz->addr;
 
 	PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 1c80a2a..0fccb5d 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1530,7 +1530,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
 	txq->port_id = dev->data->port_id;
 
 	txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(txq->reg_idx));
-	txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+	txq->tx_ring_phys_addr = tz->phys_addr;
 
 	txq->tx_ring = (union e1000_adv_tx_desc *) tz->addr;
 	/* Allocate software ring */
@@ -1667,7 +1667,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
 	}
 	rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(rxq->reg_idx));
 	rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(rxq->reg_idx));
-	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+	rxq->rx_ring_phys_addr = rz->phys_addr;
 	rxq->rx_ring = (union e1000_adv_rx_desc *) rz->addr;
 
 	/* Allocate software ring. */
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index e60d3a3..15ea2a5 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1887,7 +1887,7 @@ fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
 		return -ENOMEM;
 	}
 	q->hw_ring = mz->addr;
-	q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+	q->hw_ring_phys_addr = mz->phys_addr;
 
 	/* Check if number of descs satisfied Vector requirement */
 	if (!rte_is_power_of_2(nb_desc)) {
@@ -2047,7 +2047,7 @@ fm10k_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
 		return -ENOMEM;
 	}
 	q->hw_ring = mz->addr;
-	q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+	q->hw_ring_phys_addr = mz->phys_addr;
 
 	/*
 	 * allocate memory for the RS bit tracker. Enough slots to hold the
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index f12aefa..f30b4f5 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -3769,7 +3769,7 @@ i40e_allocate_dma_mem_d(__attribute__((unused)) struct i40e_hw *hw,
 
 	mem->size = size;
 	mem->va = mz->addr;
-	mem->pa = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+	mem->pa = mz->phys_addr;
 	mem->zone = (const void *)mz;
 	PMD_DRV_LOG(DEBUG,
 		"memzone %s allocated with physical address: %"PRIu64,
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 8013add..70dae92 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -249,7 +249,7 @@ i40e_fdir_setup(struct i40e_pf *pf)
 		goto fail_mem;
 	}
 	pf->fdir.prg_pkt = mz->addr;
-	pf->fdir.dma_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+	pf->fdir.dma_addr = mz->phys_addr;
 
 	pf->fdir.match_counter_index = I40E_COUNTER_INDEX_FDIR(hw->pf_id);
 	PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index f571e79..344c11c 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1822,7 +1822,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	/* Zero all the descriptors in the ring. */
 	memset(rz->addr, 0, ring_size);
 
-	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+	rxq->rx_ring_phys_addr = rz->phys_addr;
 	rxq->rx_ring = (union i40e_rx_desc *)rz->addr;
 
 	len = (uint16_t)(nb_desc + RTE_PMD_I40E_RX_MAX_BURST);
@@ -2159,7 +2159,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	txq->vsi = vsi;
 	txq->tx_deferred_start = tx_conf->tx_deferred_start;
 
-	txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+	txq->tx_ring_phys_addr = tz->phys_addr;
 	txq->tx_ring = (struct i40e_tx_desc *)tz->addr;
 
 	/* Allocate software ring */
@@ -2671,7 +2671,7 @@ i40e_fdir_setup_tx_resources(struct i40e_pf *pf)
 	txq->reg_idx = pf->fdir.fdir_vsi->base_queue;
 	txq->vsi = pf->fdir.fdir_vsi;
 
-	txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+	txq->tx_ring_phys_addr = tz->phys_addr;
 	txq->tx_ring = (struct i40e_tx_desc *)tz->addr;
 	/*
 	 * don't need to allocate software ring and reset for the fdir
@@ -2727,7 +2727,7 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf)
 	rxq->reg_idx = pf->fdir.fdir_vsi->base_queue;
 	rxq->vsi = pf->fdir.fdir_vsi;
 
-	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+	rxq->rx_ring_phys_addr = rz->phys_addr;
 	rxq->rx_ring = (union i40e_rx_desc *)rz->addr;
 
 	/*
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 64bff25..ac1415b 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -2548,7 +2548,7 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	else
 		txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
 
-	txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+	txq->tx_ring_phys_addr = tz->phys_addr;
 	txq->tx_ring = (union ixgbe_adv_tx_desc *) tz->addr;
 
 	/* Allocate software ring */
@@ -2850,7 +2850,7 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
 			IXGBE_PCI_REG_ADDR(hw, IXGBE_RDH(rxq->reg_idx));
 	}
 
-	rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+	rxq->rx_ring_phys_addr = rz->phys_addr;
 	rxq->rx_ring = (union ixgbe_adv_rx_desc *) rz->addr;
 
 	/*
diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index 6cecfc0..f9e9916 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -61,7 +61,7 @@ sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
 		return ENOMEM;
 	}
 
-	esmp->esm_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+	esmp->esm_addr = mz->phys_addr;
 	if (esmp->esm_addr == RTE_BAD_PHYS_ADDR) {
 		(void)rte_memzone_free(mz);
 		return EFAULT;
diff --git a/lib/librte_eal/common/include/rte_memory.h b/lib/librte_eal/common/include/rte_memory.h
index 4aa5d1f..8d3960d 100644
--- a/lib/librte_eal/common/include/rte_memory.h
+++ b/lib/librte_eal/common/include/rte_memory.h
@@ -200,30 +200,6 @@ unsigned rte_memory_get_nrank(void);
 /**< Internal use only - should DOM0 memory mapping be used */
 int rte_xen_dom0_supported(void);
 
-/**< Internal use only - phys to virt mapping for xen */
-phys_addr_t rte_xen_mem_phy2mch(int32_t, const phys_addr_t);
-
-/**
- * Return the physical address of elt, which is an element of the pool mp.
- *
- * @param memseg_id
- *   Identifier of the memory segment owning the physical address. If
- *   set to -1, find it automatically.
- * @param phy_addr
- *   physical address of elt.
- *
- * @return
- *   The physical address or RTE_BAD_PHYS_ADDR on error.
- */
-static inline phys_addr_t
-rte_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
-	if (rte_xen_dom0_supported())
-		return rte_xen_mem_phy2mch(memseg_id, phy_addr);
-	else
-		return phy_addr;
-}
-
 /**
  * Memory init for supporting application running on Xen domain0.
  *
@@ -250,12 +226,6 @@ static inline int rte_xen_dom0_supported(void)
 {
 	return 0;
 }
-
-static inline phys_addr_t
-rte_mem_phy2mch(int32_t memseg_id __rte_unused, const phys_addr_t phy_addr)
-{
-	return phy_addr;
-}
 #endif
 
 #ifdef __cplusplus
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 6d726ae..892a1ac 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -473,8 +473,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 		     mp->populated_size < mp->size; off += phys_len) {
 
 		paddr = rte_mem_virt2phy(addr + off);
-		/* required for xen_dom0 to get the machine address */
-		paddr = rte_mem_phy2mch(-1, paddr);
 
 		if (paddr == RTE_BAD_PHYS_ADDR && rte_eal_has_hugepages()) {
 			ret = -EINVAL;
@@ -486,7 +484,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 			phys_addr_t paddr_tmp;
 
 			paddr_tmp = rte_mem_virt2phy(addr + off + phys_len);
-			paddr_tmp = rte_mem_phy2mch(-1, paddr_tmp);
 
 			if (paddr_tmp != paddr + phys_len)
 				break;
