diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c b/drivers/mempool/octeontx/rte_mempool_octeontx.c
index 6563e80..36cc23b 100644
--- a/drivers/mempool/octeontx/rte_mempool_octeontx.c
+++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c
@@ -126,16 +126,6 @@ octeontx_fpavf_get_count(const struct rte_mempool *mp)
 	return octeontx_fpa_bufpool_free_count(pool);
 }
 
-static int
-octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
-				unsigned int *flags)
-{
-	RTE_SET_USED(mp);
-	*flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
-			MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
-	return 0;
-}
-
 static ssize_t
 octeontx_fpavf_calc_mem_size(const struct rte_mempool *mp,
 			     uint32_t obj_num, uint32_t pg_shift,
@@ -208,7 +198,6 @@ static struct rte_mempool_ops octeontx_fpavf_ops = {
 	.enqueue = octeontx_fpavf_enqueue,
 	.dequeue = octeontx_fpavf_dequeue,
 	.get_count = octeontx_fpavf_get_count,
-	.get_capabilities = octeontx_fpavf_get_capabilities,
 	.register_memory_area = octeontx_fpavf_register_memory_area,
 	.calc_mem_size = octeontx_fpavf_calc_mem_size,
 	.populate = octeontx_fpavf_populate,
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index c5003a9..32b3f94 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -237,15 +237,9 @@ rte_mempool_calc_obj_size(uint32_t elt_size, uint32_t flags,
  */
 static size_t
 rte_mempool_xmem_size_int(uint32_t elt_num, size_t total_elt_sz,
-			  uint32_t pg_shift, unsigned int flags)
+			  uint32_t pg_shift, __rte_unused unsigned int flags)
 {
 	size_t obj_per_page, pg_num, pg_sz;
-	unsigned int mask;
-
-	mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
-	if ((flags & mask) == mask)
-		/* alignment need one additional object */
-		elt_num += 1;
 
 	if (total_elt_sz == 0)
 		return 0;
@@ -268,26 +262,15 @@ rte_mempool_calc_mem_size_def(const struct rte_mempool *mp,
 			      size_t *min_chunk_size,
 			      __rte_unused size_t *align)
 {
-	unsigned int mp_flags;
-	int ret;
 	size_t total_elt_sz;
 	size_t mem_size;
 
-	/* Get mempool capabilities */
-	mp_flags = 0;
-	ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
-	if ((ret < 0) && (ret != -ENOTSUP))
-		return ret;
-
 	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
 
 	mem_size = rte_mempool_xmem_size_int(obj_num, total_elt_sz, pg_shift,
-					     mp->flags | mp_flags);
+					     mp->flags);
 
-	if (mp_flags & MEMPOOL_F_CAPA_PHYS_CONTIG)
-		*min_chunk_size = mem_size;
-	else
-		*min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
+	*min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
 
 	/* No extra align requirements by default */
 
@@ -312,18 +295,12 @@ rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift,
 ssize_t
 rte_mempool_xmem_usage(__rte_unused void *vaddr, uint32_t elt_num,
 	size_t total_elt_sz, const rte_iova_t iova[], uint32_t pg_num,
-	uint32_t pg_shift, unsigned int flags)
+	uint32_t pg_shift, __rte_unused unsigned int flags)
 {
 	uint32_t elt_cnt = 0;
 	rte_iova_t start, end;
 	uint32_t iova_idx;
 	size_t pg_sz = (size_t)1 << pg_shift;
-	unsigned int mask;
-
-	mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
-	if ((flags & mask) == mask)
-		/* alignment need one additional object */
-		elt_num += 1;
 
 	/* if iova is NULL, assume contiguous memory */
 	if (iova == NULL) {
@@ -426,8 +403,6 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 	rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
 	void *opaque)
 {
-	unsigned total_elt_sz;
-	unsigned int mp_cap_flags;
 	unsigned i = 0;
 	size_t off;
 	struct rte_mempool_memhdr *memhdr;
@@ -450,24 +425,6 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 	if (mp->populated_size >= mp->size)
 		return -ENOSPC;
 
-	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
-
-	/* Get mempool capabilities */
-	mp_cap_flags = 0;
-	ret = rte_mempool_ops_get_capabilities(mp, &mp_cap_flags);
-	if ((ret < 0) && (ret != -ENOTSUP))
-		return ret;
-
-	/* Detect pool area has sufficient space for elements */
-	if (mp_cap_flags & MEMPOOL_F_CAPA_PHYS_CONTIG) {
-		if (len < total_elt_sz * mp->size) {
-			RTE_LOG(ERR, MEMPOOL,
-				"pool area %" PRIx64 " not enough\n",
-				(uint64_t)len);
-			return -ENOSPC;
-		}
-	}
-
 	memhdr = rte_zmalloc("MEMPOOL_MEMHDR", sizeof(*memhdr), 0);
 	if (memhdr == NULL)
 		return -ENOMEM;
@@ -479,10 +436,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 	memhdr->free_cb = free_cb;
 	memhdr->opaque = opaque;
 
-	if (mp_cap_flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS)
-		/* align object start address to a multiple of total_elt_sz */
-		off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz);
-	else if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
+	if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
 		off = RTE_PTR_ALIGN_CEIL(vaddr, 8) - vaddr;
 	else
 		off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_CACHE_LINE_SIZE) - vaddr;
diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index f6ffab9..697d618 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -274,24 +274,6 @@ struct rte_mempool {
 #define MEMPOOL_F_SC_GET         0x0008 /**< Default get is "single-consumer".*/
 #define MEMPOOL_F_POOL_CREATED   0x0010 /**< Internal: pool is created. */
 #define MEMPOOL_F_NO_PHYS_CONTIG 0x0020 /**< Don't need physically contiguous objs. */
-/**
- * This capability flag is advertised by a mempool handler, if the whole
- * memory area containing the objects must be physically contiguous.
- * Note: This flag should not be passed by application.
- */
-#define MEMPOOL_F_CAPA_PHYS_CONTIG 0x0040
-/**
- * This capability flag is advertised by a mempool handler. Used for a case
- * where mempool driver wants object start address(vaddr) aligned to block
- * size(/ total element size).
- *
- * Note:
- * - This flag should not be passed by application.
- *   Flag used for mempool driver only.
- * - Mempool driver must also set MEMPOOL_F_CAPA_PHYS_CONTIG flag along with
- *   MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS.
- */
-#define MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS 0x0080
 
 /**
  * @internal When debug is enabled, store some statistics.
@@ -417,12 +399,6 @@ typedef int (*rte_mempool_dequeue_t)(struct rte_mempool *mp,
 typedef unsigned (*rte_mempool_get_count)(const struct rte_mempool *mp);
 
 /**
- * Get the mempool capabilities.
- */
-typedef int (*rte_mempool_get_capabilities_t)(const struct rte_mempool *mp,
-		unsigned int *flags);
-
-/**
  * Notify new memory area to mempool.
  */
 typedef int (*rte_mempool_ops_register_memory_area_t)
@@ -523,10 +499,6 @@ struct rte_mempool_ops {
 	rte_mempool_dequeue_t dequeue;   /**< Dequeue an object. */
 	rte_mempool_get_count get_count; /**< Get qty of available objs. */
 	/**
-	 * Get the mempool capabilities
-	 */
-	rte_mempool_get_capabilities_t get_capabilities;
-	/**
 	 * Notify new memory area to mempool
 	 */
 	rte_mempool_ops_register_memory_area_t register_memory_area;
@@ -652,22 +624,6 @@ unsigned
 rte_mempool_ops_get_count(const struct rte_mempool *mp);
 
 /**
- * @internal wrapper for mempool_ops get_capabilities callback.
- *
- * @param mp [in]
- *   Pointer to the memory pool.
- * @param flags [out]
- *   Pointer to the mempool flags.
- * @return
- *   - 0: Success; The mempool driver has advertised his pool capabilities in
- *   flags param.
- *   - -ENOTSUP - doesn't support get_capabilities ops (valid case).
- *   - Otherwise, pool create fails.
- */
-int
-rte_mempool_ops_get_capabilities(const struct rte_mempool *mp,
-					unsigned int *flags);
-/**
  * @internal wrapper for mempool_ops register_memory_area callback.
  * API to notify the mempool handler when a new memory area is added to pool.
  *
diff --git a/lib/librte_mempool/rte_mempool_ops.c b/lib/librte_mempool/rte_mempool_ops.c
index 7c4a22b..5ab643b 100644
--- a/lib/librte_mempool/rte_mempool_ops.c
+++ b/lib/librte_mempool/rte_mempool_ops.c
@@ -86,7 +86,6 @@ rte_mempool_register_ops(const struct rte_mempool_ops *h)
 	ops->enqueue = h->enqueue;
 	ops->dequeue = h->dequeue;
 	ops->get_count = h->get_count;
-	ops->get_capabilities = h->get_capabilities;
 	ops->register_memory_area = h->register_memory_area;
 	ops->calc_mem_size = h->calc_mem_size;
 	ops->populate = h->populate;
@@ -128,19 +127,6 @@ rte_mempool_ops_get_count(const struct rte_mempool *mp)
 	return ops->get_count(mp);
 }
 
-/* wrapper to get external mempool capabilities. */
-int
-rte_mempool_ops_get_capabilities(const struct rte_mempool *mp,
-					unsigned int *flags)
-{
-	struct rte_mempool_ops *ops;
-
-	ops = rte_mempool_get_ops(mp->ops_index);
-
-	RTE_FUNC_PTR_OR_ERR_RET(ops->get_capabilities, -ENOTSUP);
-	return ops->get_capabilities(mp, flags);
-}
-
 /* wrapper to notify new memory area to external mempool */
 int
 rte_mempool_ops_register_memory_area(const struct rte_mempool *mp, char *vaddr,
diff --git a/lib/librte_mempool/rte_mempool_version.map b/lib/librte_mempool/rte_mempool_version.map
index 00288de..ab30b16 100644
--- a/lib/librte_mempool/rte_mempool_version.map
+++ b/lib/librte_mempool/rte_mempool_version.map
@@ -45,7 +45,6 @@ DPDK_16.07 {
 DPDK_17.11 {
 	global:
 
-	rte_mempool_ops_get_capabilities;
 	rte_mempool_ops_register_memory_area;
 	rte_mempool_populate_iova;
 	rte_mempool_populate_iova_tab;
