diff --git a/include/spdk/ftl.h b/include/spdk/ftl.h
index 50f2bbe65..9e323ab05 100644
--- a/include/spdk/ftl.h
+++ b/include/spdk/ftl.h
@@ -54,10 +54,6 @@ struct spdk_ftl_attrs {
 	uint64_t			num_blocks;
 	/* Logical block size */
 	uint64_t			block_size;
-	/* Number of zones in the underlying device (including any offline ones) */
-	uint64_t			num_zones;
-	/* Number of logical blocks per zone */
-	uint64_t			zone_size;
 	/* Optimal IO size - bdev layer will split requests over this size */
 	uint64_t			optimum_io_size;
 };
diff --git a/lib/ftl/ftl_core.c b/lib/ftl/ftl_core.c
index eb683e752..f1df1eff0 100644
--- a/lib/ftl/ftl_core.c
+++ b/lib/ftl/ftl_core.c
@@ -62,8 +62,6 @@ spdk_ftl_dev_get_attrs(const struct spdk_ftl_dev *dev, struct spdk_ftl_attrs *at
 {
 	attrs->num_blocks = dev->num_lbas;
 	attrs->block_size = FTL_BLOCK_SIZE;
-	attrs->num_zones = ftl_get_num_zones(dev);
-	attrs->zone_size = ftl_get_num_blocks_in_zone(dev);
 	attrs->optimum_io_size = dev->xfer_size;
 }
 
diff --git a/lib/ftl/ftl_core.h b/lib/ftl/ftl_core.h
index df576555c..05a012e07 100644
--- a/lib/ftl/ftl_core.h
+++ b/lib/ftl/ftl_core.h
@@ -14,7 +14,6 @@
 #include "spdk/queue.h"
 #include "spdk/ftl.h"
 #include "spdk/bdev.h"
-#include "spdk/bdev_zone.h"
 
 #include "ftl_internal.h"
 #include "ftl_io.h"
@@ -49,8 +48,6 @@ struct spdk_ftl_dev {
 
 	/* Cached properties of the underlying device */
 	uint64_t			num_blocks_in_band;
-	uint64_t			num_zones_in_band;
-	uint64_t			num_blocks_in_zone;
 	bool				is_zoned;
 
 	/* Indicates the device is fully initialized */
@@ -130,18 +127,6 @@ ftl_get_num_blocks_in_band(const struct spdk_ftl_dev *dev)
 	return dev->num_blocks_in_band;
 }
 
-static inline size_t
-ftl_get_num_zones_in_band(const struct spdk_ftl_dev *dev)
-{
-	return dev->num_zones_in_band;
-}
-
-static inline size_t
-ftl_get_num_blocks_in_zone(const struct spdk_ftl_dev *dev)
-{
-	return dev->num_blocks_in_zone;
-}
-
 static inline uint32_t
 ftl_get_write_unit_size(struct spdk_bdev *bdev)
 {
@@ -165,12 +150,6 @@ ftl_get_num_bands(const struct spdk_ftl_dev *dev)
 	return dev->num_bands;
 }
 
-static inline size_t
-ftl_get_num_zones(const struct spdk_ftl_dev *dev)
-{
-	return ftl_get_num_bands(dev) * ftl_get_num_zones_in_band(dev);
-}
-
 static inline bool
 ftl_check_core_thread(const struct spdk_ftl_dev *dev)
 {
diff --git a/lib/ftl/ftl_init.c b/lib/ftl/ftl_init.c
index d6a0aa408..85e5fcef6 100644
--- a/lib/ftl/ftl_init.c
+++ b/lib/ftl/ftl_init.c
@@ -11,7 +11,6 @@
 #include "spdk/ftl.h"
 #include "spdk/likely.h"
 #include "spdk/string.h"
-#include "spdk/bdev_zone.h"
 #include "spdk/bdev_module.h"
 #include "spdk/config.h"
 
diff --git a/lib/ftl/ftl_io.h b/lib/ftl/ftl_io.h
index 39551fb09..81d260c5f 100644
--- a/lib/ftl/ftl_io.h
+++ b/lib/ftl/ftl_io.h
@@ -219,9 +219,6 @@ struct ftl_rq {
 		/* Request physical address, on IO completion set for append device */
 		ftl_addr addr;
 
-		/* Zone to which IO is issued */
-		struct ftl_zone *zone;
-
 		struct spdk_bdev_io_wait_entry bdev_io_wait;
 	} io;
 
@@ -261,9 +258,6 @@ struct ftl_basic_rq {
 		/* Request physical address, on IO completion set for append device */
 		ftl_addr addr;
 
-		/* Zone to which IO is issued */
-		struct ftl_zone *zone;
-
 		/* Chunk to which IO is issued */
 		struct ftl_nv_cache_chunk *chunk;
 
diff --git a/lib/ftl/ftl_layout.c b/lib/ftl/ftl_layout.c
index 0faea992e..662932949 100644
--- a/lib/ftl/ftl_layout.c
+++ b/lib/ftl/ftl_layout.c
@@ -171,10 +171,10 @@ setup_layout_nvc(struct spdk_ftl_dev *dev)
 
 	left = layout->nvc.total_blocks - offset;
 	layout->nvc.chunk_data_blocks =
-		FTL_NV_CACHE_CHUNK_DATA_SIZE(ftl_get_num_blocks_in_zone(dev)) / FTL_BLOCK_SIZE;
+		FTL_NV_CACHE_CHUNK_DATA_SIZE(ftl_get_num_blocks_in_band(dev)) / FTL_BLOCK_SIZE;
 	layout->nvc.chunk_meta_size = FTL_NV_CACHE_CHUNK_MD_SIZE;
 	layout->nvc.chunk_count = (left * FTL_BLOCK_SIZE) /
-				  FTL_NV_CACHE_CHUNK_SIZE(ftl_get_num_blocks_in_zone(dev));
+				  FTL_NV_CACHE_CHUNK_SIZE(ftl_get_num_blocks_in_band(dev));
 	layout->nvc.chunk_tail_md_num_blocks = ftl_nv_cache_chunk_tail_md_num_blocks(&dev->nv_cache);
 
 	if (0 == layout->nvc.chunk_count) {
diff --git a/lib/ftl/mngt/ftl_mngt_bdev.c b/lib/ftl/mngt/ftl_mngt_bdev.c
index 82da9184d..2ac269c92 100644
--- a/lib/ftl/mngt/ftl_mngt_bdev.c
+++ b/lib/ftl/mngt/ftl_mngt_bdev.c
@@ -21,23 +21,9 @@ static struct spdk_bdev_module g_ftl_bdev_module = {
 	.name   = "ftl_lib",
 };
 
-static inline size_t
-ftl_calculate_num_zones_in_band(struct spdk_bdev_desc *desc)
+static inline uint64_t
+ftl_calculate_num_blocks_in_band(struct spdk_bdev_desc *desc)
 {
-	if (spdk_bdev_is_zoned(spdk_bdev_desc_get_bdev(desc))) {
-		return spdk_bdev_get_optimal_open_zones(spdk_bdev_desc_get_bdev(desc));
-	}
-
-	return 1;
-}
-
-static inline size_t
-ftl_calculate_num_blocks_in_zone(struct spdk_bdev_desc *desc)
-{
-	if (spdk_bdev_is_zoned(spdk_bdev_desc_get_bdev(desc))) {
-		return spdk_bdev_get_zone_size(spdk_bdev_desc_get_bdev(desc));
-	}
-
 	/* TODO: this should be passed via input parameter */
 #ifdef SPDK_FTL_ZONE_EMU_BLOCKS
 	return SPDK_FTL_ZONE_EMU_BLOCKS;
@@ -46,12 +32,6 @@ ftl_calculate_num_blocks_in_zone(struct spdk_bdev_desc *desc)
 #endif
 }
 
-static inline uint64_t
-ftl_calculate_num_blocks_in_band(struct spdk_bdev_desc *desc)
-{
-	return ftl_calculate_num_zones_in_band(desc) * ftl_calculate_num_blocks_in_zone(desc);
-}
-
 static void
 base_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *event_ctx)
 {
@@ -115,8 +95,6 @@ ftl_mngt_open_base_bdev(struct spdk_ftl_dev *dev, struct ftl_mngt_process *mngt)
 
 	/* Cache frequently used values */
 	dev->num_blocks_in_band = ftl_calculate_num_blocks_in_band(dev->base_bdev_desc);
-	dev->num_zones_in_band = ftl_calculate_num_zones_in_band(dev->base_bdev_desc);
-	dev->num_blocks_in_zone = ftl_calculate_num_blocks_in_zone(dev->base_bdev_desc);
 	dev->is_zoned = spdk_bdev_is_zoned(spdk_bdev_desc_get_bdev(dev->base_bdev_desc));
 
 	if (dev->is_zoned) {
diff --git a/module/bdev/ftl/bdev_ftl.c b/module/bdev/ftl/bdev_ftl.c
index 0dc5e2c23..7bc537bb4 100644
--- a/module/bdev/ftl/bdev_ftl.c
+++ b/module/bdev/ftl/bdev_ftl.c
@@ -214,8 +214,6 @@ bdev_ftl_dump_info_json(void *ctx, struct spdk_json_write_ctx *w)
 	if (conf.cache_bdev) {
 		spdk_json_write_named_string(w, "cache", conf.cache_bdev);
 	}
-	spdk_json_write_named_string_fmt(w, "num_zones", "%zu", attrs.num_zones);
-	spdk_json_write_named_string_fmt(w, "zone_size", "%zu", attrs.zone_size);
 
 	/* ftl */
 	spdk_json_write_object_end(w);
diff --git a/test/unit/lib/ftl/ftl_io.c/ftl_io_ut.c b/test/unit/lib/ftl/ftl_io.c/ftl_io_ut.c
index e46b2d881..d836d152e 100644
--- a/test/unit/lib/ftl/ftl_io.c/ftl_io_ut.c
+++ b/test/unit/lib/ftl/ftl_io.c/ftl_io_ut.c
@@ -22,9 +22,6 @@ DEFINE_STUB(spdk_bdev_zone_appendv, int, (struct spdk_bdev_desc *desc, struct sp
 		struct iovec *iov, int iovcnt, uint64_t zone_id, uint64_t num_blocks,
 		spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *b), 1024);
-DEFINE_STUB(spdk_bdev_zone_management, int, (struct spdk_bdev_desc *desc,
-		struct spdk_io_channel *ch, uint64_t zone_id, enum spdk_bdev_zone_action action,
-		spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io));
 DEFINE_STUB(spdk_bdev_get_buf_align, size_t, (const struct spdk_bdev *bdev), 64);
 DEFINE_STUB(spdk_bdev_get_dif_type, enum spdk_dif_type,
@@ -57,10 +54,6 @@ DEFINE_STUB(spdk_bdev_write_zeroes_blocks, int,
 	    (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
 	     uint64_t offset_blocks, uint64_t num_blocks,
 	     spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
-DEFINE_STUB(spdk_bdev_get_zone_info, int,
-	    (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
-	     uint64_t zone_id, size_t num_zones, struct spdk_bdev_zone_info *info,
-	     spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
 DEFINE_STUB(spdk_mempool_create_ctor, struct spdk_mempool *,
 	    (const char *name, size_t count, size_t ele_size, size_t cache_size,
 	     int socket_id, spdk_mempool_obj_cb_t *obj_init, void *obj_init_arg), NULL);