diff --git a/examples/nvme/identify/identify.c b/examples/nvme/identify/identify.c
index 20a0d2d68..f6ce6b73d 100644
--- a/examples/nvme/identify/identify.c
+++ b/examples/nvme/identify/identify.c
@@ -1014,10 +1014,6 @@ print_namespace(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns)
 			printf("  Atomic Write Unit (PFail):           %d\n", nsdata->nawupf + 1);
 		}
 
-		if (nsdata->npwg) {
-			printf("  Preferred Write Granularity:         %d\n", nsdata->npwg + 1);
-		}
-
 		if (nsdata->nacwu) {
 			printf("  Atomic Compare & Write Unit:         %d\n", nsdata->nacwu + 1);
 		}
diff --git a/include/spdk/bdev.h b/include/spdk/bdev.h
index 19b265735..72f673b04 100644
--- a/include/spdk/bdev.h
+++ b/include/spdk/bdev.h
@@ -590,14 +590,6 @@ bool spdk_bdev_is_zoned(const struct spdk_bdev *bdev);
  */
 uint32_t spdk_bdev_get_data_block_size(const struct spdk_bdev *bdev);
 
-/**
- * Get block device physical block size.
- *
- * \param bdev Block device to query.
- * \return Size of physical block size for this bdev in bytes.
- */
-uint32_t spdk_bdev_get_physical_block_size(const struct spdk_bdev *bdev);
-
 /**
  * Get DIF type of the block device.
  *
diff --git a/include/spdk/bdev_module.h b/include/spdk/bdev_module.h
index 70c37f497..ac7739625 100644
--- a/include/spdk/bdev_module.h
+++ b/include/spdk/bdev_module.h
@@ -265,9 +265,6 @@ struct spdk_bdev {
 	/** Size in bytes of a logical block for the backend */
 	uint32_t blocklen;
 
-	/** Size in bytes of a physical block for the backend */
-	uint32_t phys_blocklen;
-
 	/** Number of blocks */
 	uint64_t blockcnt;
 
diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 9ede230c0..9c741d001 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -3291,12 +3291,6 @@ spdk_bdev_get_data_block_size(const struct spdk_bdev *bdev)
 	}
 }
 
-uint32_t
-spdk_bdev_get_physical_block_size(const struct spdk_bdev *bdev)
-{
-	return bdev->phys_blocklen;
-}
-
 static uint32_t
 _bdev_get_block_size_with_md(const struct spdk_bdev *bdev)
 {
@@ -5470,10 +5464,6 @@ bdev_init(struct spdk_bdev *bdev)
 		bdev->acwu = 1;
 	}
 
-	if (bdev->phys_blocklen == 0) {
-		bdev->phys_blocklen = spdk_bdev_get_data_block_size(bdev);
-	}
-
 	TAILQ_INIT(&bdev->internal.open_descs);
 	TAILQ_INIT(&bdev->internal.locked_ranges);
 	TAILQ_INIT(&bdev->internal.pending_locked_ranges);
diff --git a/lib/bdev/spdk_bdev.map b/lib/bdev/spdk_bdev.map
index 91d21d5db..aec215d58 100644
--- a/lib/bdev/spdk_bdev.map
+++ b/lib/bdev/spdk_bdev.map
@@ -40,7 +40,6 @@
 	spdk_bdev_is_md_separate;
 	spdk_bdev_is_zoned;
 	spdk_bdev_get_data_block_size;
-	spdk_bdev_get_physical_block_size;
 	spdk_bdev_get_dif_type;
 	spdk_bdev_is_dif_head_of_md;
 	spdk_bdev_is_dif_check_enabled;
diff --git a/lib/nvmf/ctrlr_bdev.c b/lib/nvmf/ctrlr_bdev.c
index b79254f79..a631b8003 100644
--- a/lib/nvmf/ctrlr_bdev.c
+++ b/lib/nvmf/ctrlr_bdev.c
@@ -140,7 +140,6 @@ nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *n
 {
 	struct spdk_bdev *bdev = ns->bdev;
 	uint64_t num_blocks;
-	uint32_t phys_blocklen;
 
 	num_blocks = spdk_bdev_get_num_blocks(bdev);
 
@@ -182,15 +181,6 @@ nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *n
 		nsdata->lbaf[0].ms = 0;
 		nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
 	}
-
-	phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
-	assert(phys_blocklen > 0);
-	/* Linux driver uses min(nawupf, npwg) to set physical_block_size */
-	nsdata->nsfeat.optperf = 1;
-	nsdata->nsfeat.ns_atomic_write_unit = 1;
-	nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
-	nsdata->nawupf = nsdata->npwg;
-
 	nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
 	nsdata->nmic.can_share = 1;
 	if (ns->ptpl_file != NULL) {
diff --git a/lib/scsi/scsi_bdev.c b/lib/scsi/scsi_bdev.c
index ba890af74..06270eb5d 100644
--- a/lib/scsi/scsi_bdev.c
+++ b/lib/scsi/scsi_bdev.c
@@ -1620,16 +1620,9 @@ bdev_scsi_process_block(struct spdk_scsi_task *task)
 		switch (cdb[1] & 0x1f) { /* SERVICE ACTION */
 		case SPDK_SBC_SAI_READ_CAPACITY_16: {
 			uint8_t buffer[32] = {0};
-			uint32_t lbppb;
 
 			to_be64(&buffer[0], spdk_bdev_get_num_blocks(bdev) - 1);
 			to_be32(&buffer[8], spdk_bdev_get_data_block_size(bdev));
-			lbppb = spdk_bdev_get_physical_block_size(bdev) / spdk_bdev_get_data_block_size(bdev);
-			if (spdk_u32log2(lbppb) > 0xf) {
-				SPDK_ERRLOG("lbppbe(0x%x) > 0xf\n", spdk_u32log2(lbppb));
-			} else {
-				buffer[13] = spdk_u32log2(lbppb);
-			}
 			/*
 			 * Set the TPE bit to 1 to indicate thin provisioning.
 			 * The position of TPE bit is the 7th bit in 14th byte
diff --git a/module/bdev/iscsi/bdev_iscsi.c b/module/bdev/iscsi/bdev_iscsi.c
index edb537345..7516ea95e 100644
--- a/module/bdev/iscsi/bdev_iscsi.c
+++ b/module/bdev/iscsi/bdev_iscsi.c
@@ -623,8 +623,7 @@ static const struct spdk_bdev_fn_table iscsi_fn_table = {
 static int
 create_iscsi_lun(struct iscsi_context *context, int lun_id, char *url, char *initiator_iqn,
 		 char *name,
-		 uint64_t num_blocks, uint32_t block_size, struct spdk_bdev **bdev, bool unmap_supported,
-		 uint8_t lbppbe)
+		 uint64_t num_blocks, uint32_t block_size, struct spdk_bdev **bdev, bool unmap_supported)
 {
 	struct bdev_iscsi_lun *lun;
 	int rc;
@@ -646,7 +645,6 @@ create_iscsi_lun(struct iscsi_context *context, int lun_id, char *url, char *ini
 	lun->bdev.product_name = "iSCSI LUN";
 	lun->bdev.module = &g_iscsi_bdev_module;
 	lun->bdev.blocklen = block_size;
-	lun->bdev.phys_blocklen = block_size * (1 << lbppbe);
 	lun->bdev.blockcnt = num_blocks;
 	lun->bdev.ctxt = lun;
 	lun->unmap_supported = unmap_supported;
@@ -693,8 +691,7 @@ iscsi_readcapacity16_cb(struct iscsi_context *iscsi, int status,
 	}
 
 	status = create_iscsi_lun(req->context, req->lun, req->url, req->initiator_iqn, req->bdev_name,
-				  readcap16->returned_lba + 1, readcap16->block_length, &bdev, req->unmap_supported,
-				  readcap16->lbppbe);
+				  readcap16->returned_lba + 1, readcap16->block_length, &bdev, req->unmap_supported);
 	if (status) {
 		SPDK_ERRLOG("Unable to create iscsi bdev: %s (%d)\n", spdk_strerror(-status), status);
 	}
diff --git a/test/unit/lib/nvmf/ctrlr_bdev.c/ctrlr_bdev_ut.c b/test/unit/lib/nvmf/ctrlr_bdev.c/ctrlr_bdev_ut.c
index 7edb46dfc..e3801b57d 100644
--- a/test/unit/lib/nvmf/ctrlr_bdev.c/ctrlr_bdev_ut.c
+++ b/test/unit/lib/nvmf/ctrlr_bdev.c/ctrlr_bdev_ut.c
@@ -51,9 +51,6 @@ DEFINE_STUB(spdk_bdev_get_acwu, uint16_t, (const struct spdk_bdev *bdev), 0);
 DEFINE_STUB(spdk_bdev_get_data_block_size, uint32_t,
 	    (const struct spdk_bdev *bdev), 512);
 
-DEFINE_STUB(spdk_bdev_get_physical_block_size, uint32_t,
-	    (const struct spdk_bdev *bdev), 4096);
-
 DEFINE_STUB(nvmf_ctrlr_process_admin_cmd, int, (struct spdk_nvmf_request *req), 0);
 
 DEFINE_STUB(spdk_bdev_comparev_blocks, int, (struct spdk_bdev_desc *desc,
diff --git a/test/unit/lib/scsi/scsi_bdev.c/scsi_bdev_ut.c b/test/unit/lib/scsi/scsi_bdev.c/scsi_bdev_ut.c
index 3e1705477..87485b901 100644
--- a/test/unit/lib/scsi/scsi_bdev.c/scsi_bdev_ut.c
+++ b/test/unit/lib/scsi/scsi_bdev.c/scsi_bdev_ut.c
@@ -77,9 +77,6 @@ DEFINE_STUB(spdk_bdev_is_md_interleaved, bool,
 DEFINE_STUB(spdk_bdev_get_data_block_size, uint32_t,
 	    (const struct spdk_bdev *bdev), 512);
 
-DEFINE_STUB(spdk_bdev_get_physical_block_size, uint32_t,
-	    (const struct spdk_bdev *bdev), 4096);
-
 uint64_t
 spdk_bdev_get_num_blocks(const struct spdk_bdev *bdev)
 {