diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 70c2e7f..2d0f22a 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -122,7 +122,7 @@
 	/*
 	 * Locate the struct se_lun pointer and attach it to struct se_cmd
 	 */
-	if (transport_get_lun_for_cmd(se_cmd, NULL, tl_cmd->sc->device->lun) < 0) {
+	if (transport_get_lun_for_cmd(se_cmd, tl_cmd->sc->device->lun) < 0) {
 		kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
 		set_host_byte(sc, DID_NO_CONNECT);
 		return NULL;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index f5516a1..e76ffc5 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -56,7 +56,6 @@
 
 int transport_get_lun_for_cmd(
 	struct se_cmd *se_cmd,
-	unsigned char *cdb,
 	u32 unpacked_lun)
 {
 	struct se_dev_entry *deve;
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index b2a1067..92a449a 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -637,7 +637,7 @@
 	fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
 
 	cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
-	ret = transport_get_lun_for_cmd(&cmd->se_cmd, NULL, cmd->lun);
+	ret = transport_get_lun_for_cmd(&cmd->se_cmd, cmd->lun);
 	if (ret < 0) {
 		ft_dump_cmd(cmd, __func__);
 		transport_send_check_condition_and_sense(&cmd->se_cmd,
diff --git a/include/target/target_core_device.h b/include/target/target_core_device.h
index 52b18a5..d9745bf 100644
--- a/include/target/target_core_device.h
+++ b/include/target/target_core_device.h
@@ -1,7 +1,7 @@
 #ifndef TARGET_CORE_DEVICE_H
 #define TARGET_CORE_DEVICE_H
 
-extern int transport_get_lun_for_cmd(struct se_cmd *, unsigned char *, u32);
+extern int transport_get_lun_for_cmd(struct se_cmd *, u32);
 extern int transport_get_lun_for_tmr(struct se_cmd *, u32);
 extern struct se_dev_entry *core_get_se_deve_from_rtpi(
 					struct se_node_acl *, u16);