diff --git a/include/spdk/nvme.h b/include/spdk/nvme.h
index 0151aae24..c46240910 100644
--- a/include/spdk/nvme.h
+++ b/include/spdk/nvme.h
@@ -2880,8 +2880,6 @@ struct spdk_nvme_transport_ops {
 
 	int (*ctrlr_connect_qpair)(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair);
 
-	volatile struct spdk_nvme_registers *(*ctrlr_get_registers)(struct spdk_nvme_ctrlr *ctrlr);
-
 	void (*ctrlr_disconnect_qpair)(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair);
 
 	void (*qpair_abort_reqs)(struct spdk_nvme_qpair *qpair, uint32_t dnr);
diff --git a/lib/nvme/nvme_ctrlr.c b/lib/nvme/nvme_ctrlr.c
index 0079a7473..feec1dc93 100644
--- a/lib/nvme/nvme_ctrlr.c
+++ b/lib/nvme/nvme_ctrlr.c
@@ -86,12 +86,6 @@ nvme_ctrlr_get_cmbsz(struct spdk_nvme_ctrlr *ctrlr, union spdk_nvme_cmbsz_regist
 					      &cmbsz->raw);
 }
 
-volatile struct spdk_nvme_registers *
-spdk_nvme_ctrlr_get_registers(struct spdk_nvme_ctrlr *ctrlr)
-{
-	return nvme_transport_ctrlr_get_registers(ctrlr);
-}
-
 void
 spdk_nvme_ctrlr_get_default_ctrlr_opts(struct spdk_nvme_ctrlr_opts *opts, size_t opts_size)
 {
diff --git a/lib/nvme/nvme_internal.h b/lib/nvme/nvme_internal.h
index d458af2b6..a865bb2bb 100644
--- a/lib/nvme/nvme_internal.h
+++ b/lib/nvme/nvme_internal.h
@@ -1139,8 +1139,6 @@ struct spdk_nvme_qpair *nvme_transport_ctrlr_create_io_qpair(struct spdk_nvme_ct
 		uint16_t qid, const struct spdk_nvme_io_qpair_opts *opts);
 void *nvme_transport_ctrlr_alloc_cmb_io_buffer(struct spdk_nvme_ctrlr *ctrlr, size_t size);
 int nvme_transport_ctrlr_free_cmb_io_buffer(struct spdk_nvme_ctrlr *ctrlr, void *buf, size_t size);
-volatile struct spdk_nvme_registers *nvme_transport_ctrlr_get_registers(
-	struct spdk_nvme_ctrlr *ctrlr);
 int nvme_transport_ctrlr_delete_io_qpair(struct spdk_nvme_ctrlr *ctrlr,
 		struct spdk_nvme_qpair *qpair);
 int nvme_transport_ctrlr_connect_qpair(struct spdk_nvme_ctrlr *ctrlr,
diff --git a/lib/nvme/nvme_pcie.c b/lib/nvme/nvme_pcie.c
index 32aa667ea..386a7f6cc 100644
--- a/lib/nvme/nvme_pcie.c
+++ b/lib/nvme/nvme_pcie.c
@@ -600,14 +600,6 @@ nvme_pcie_ctrlr_alloc_cmb(struct spdk_nvme_ctrlr *ctrlr, uint64_t length, uint64
 	return 0;
 }
 
-static volatile struct spdk_nvme_registers *
-nvme_pcie_ctrlr_get_registers(struct spdk_nvme_ctrlr *ctrlr)
-{
-	struct nvme_pcie_ctrlr *pctrlr = nvme_pcie_ctrlr(ctrlr);
-
-	return pctrlr->regs;
-}
-
 static void *
 nvme_pcie_ctrlr_alloc_cmb_io_buffer(struct spdk_nvme_ctrlr *ctrlr, size_t size)
 {
@@ -2330,7 +2322,6 @@ const struct spdk_nvme_transport_ops pcie_ops = {
 	.ctrlr_set_reg_8 = nvme_pcie_ctrlr_set_reg_8,
 	.ctrlr_get_reg_4 = nvme_pcie_ctrlr_get_reg_4,
 	.ctrlr_get_reg_8 = nvme_pcie_ctrlr_get_reg_8,
-	.ctrlr_get_registers = nvme_pcie_ctrlr_get_registers,
 
 	.ctrlr_get_max_xfer_size = nvme_pcie_ctrlr_get_max_xfer_size,
 	.ctrlr_get_max_sges = nvme_pcie_ctrlr_get_max_sges,
diff --git a/lib/nvme/nvme_rdma.c b/lib/nvme/nvme_rdma.c
index f9f3992e5..f266bc686 100644
--- a/lib/nvme/nvme_rdma.c
+++ b/lib/nvme/nvme_rdma.c
@@ -2097,12 +2097,6 @@ nvme_rdma_ctrlr_get_max_sges(struct spdk_nvme_ctrlr *ctrlr)
 	return rctrlr->max_sge;
 }
 
-static volatile struct spdk_nvme_registers *
-nvme_rdma_ctrlr_get_registers(struct spdk_nvme_ctrlr *ctrlr)
-{
-	return NULL;
-}
-
 static void *
 nvme_rdma_ctrlr_alloc_cmb_io_buffer(struct spdk_nvme_ctrlr *ctrlr, size_t size)
 {
@@ -2156,7 +2150,6 @@ const struct spdk_nvme_transport_ops rdma_ops = {
 	.ctrlr_set_reg_8 = nvme_fabric_ctrlr_set_reg_8,
 	.ctrlr_get_reg_4 = nvme_fabric_ctrlr_get_reg_4,
 	.ctrlr_get_reg_8 = nvme_fabric_ctrlr_get_reg_8,
-	.ctrlr_get_registers = nvme_rdma_ctrlr_get_registers,
 
 	.ctrlr_get_max_xfer_size = nvme_rdma_ctrlr_get_max_xfer_size,
 	.ctrlr_get_max_sges = nvme_rdma_ctrlr_get_max_sges,
diff --git a/lib/nvme/nvme_tcp.c b/lib/nvme/nvme_tcp.c
index 898cdfe54..3eb44ca9d 100644
--- a/lib/nvme/nvme_tcp.c
+++ b/lib/nvme/nvme_tcp.c
@@ -1677,12 +1677,6 @@ nvme_tcp_ctrlr_get_max_sges(struct spdk_nvme_ctrlr *ctrlr)
 	return 1;
 }
 
-static volatile struct spdk_nvme_registers *
-nvme_tcp_ctrlr_get_registers(struct spdk_nvme_ctrlr *ctrlr)
-{
-	return NULL;
-}
-
 static void *
 nvme_tcp_ctrlr_alloc_cmb_io_buffer(struct spdk_nvme_ctrlr *ctrlr, size_t size)
 {
@@ -1730,7 +1724,6 @@ const struct spdk_nvme_transport_ops tcp_ops = {
 	.ctrlr_set_reg_8 = nvme_fabric_ctrlr_set_reg_8,
 	.ctrlr_get_reg_4 = nvme_fabric_ctrlr_get_reg_4,
 	.ctrlr_get_reg_8 = nvme_fabric_ctrlr_get_reg_8,
-	.ctrlr_get_registers = nvme_tcp_ctrlr_get_registers,
 
 	.ctrlr_get_max_xfer_size = nvme_tcp_ctrlr_get_max_xfer_size,
 	.ctrlr_get_max_sges = nvme_tcp_ctrlr_get_max_sges,
diff --git a/lib/nvme/nvme_transport.c b/lib/nvme/nvme_transport.c
index 59c8662f6..073d19325 100644
--- a/lib/nvme/nvme_transport.c
+++ b/lib/nvme/nvme_transport.c
@@ -251,15 +251,6 @@ nvme_transport_ctrlr_connect_qpair(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nv
 	return transport->ops.ctrlr_connect_qpair(ctrlr, qpair);
 }
 
-volatile struct spdk_nvme_registers *
-nvme_transport_ctrlr_get_registers(struct spdk_nvme_ctrlr *ctrlr)
-{
-	const struct nvme_transport *transport = nvme_get_transport(ctrlr->trid.trstring);
-
-	assert(transport != NULL);
-	return transport->ops.ctrlr_get_registers(ctrlr);
-}
-
 void
 nvme_transport_ctrlr_disconnect_qpair(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair)
 {