diff --git a/drivers/event/dlb2/pf/base/dlb2_hw_types.h b/drivers/event/dlb2/pf/base/dlb2_hw_types.h
deleted file mode 100644
index 11e518982..000000000
--- a/drivers/event/dlb2/pf/base/dlb2_hw_types.h
+++ /dev/null
@@ -1,341 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2020 Intel Corporation
- */
-
-#ifndef __DLB2_HW_TYPES_H
-#define __DLB2_HW_TYPES_H
-
-#include "../../dlb2_priv.h"
-#include "dlb2_user.h"
-
-#include "dlb2_osdep_list.h"
-#include "dlb2_osdep_types.h"
-
-#define DLB2_MAX_NUM_VDEVS			16
-#define DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS	2
-#define DLB2_NUM_ARB_WEIGHTS			8
-#define DLB2_MAX_NUM_AQED_ENTRIES		2048
-#define DLB2_MAX_WEIGHT				255
-#define DLB2_NUM_COS_DOMAINS			4
-#define DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS	2
-#define DLB2_MAX_NUM_SEQUENCE_NUMBER_MODES	5
-#define DLB2_MAX_CQ_COMP_CHECK_LOOPS		409600
-#define DLB2_MAX_QID_EMPTY_CHECK_LOOPS		(32 * 64 * 1024 * (800 / 30))
-
-#define DLB2_FUNC_BAR				0
-#define DLB2_CSR_BAR				2
-
-#ifdef FPGA
-#define DLB2_HZ					2000000
-#else
-#define DLB2_HZ					800000000
-#endif
-
-#define PCI_DEVICE_ID_INTEL_DLB2_PF 0x2710
-#define PCI_DEVICE_ID_INTEL_DLB2_VF 0x2711
-
-#define PCI_DEVICE_ID_INTEL_DLB2_5_PF 0x2714
-#define PCI_DEVICE_ID_INTEL_DLB2_5_VF 0x2715
-
-#define DLB2_ALARM_HW_SOURCE_SYS 0
-#define DLB2_ALARM_HW_SOURCE_DLB 1
-
-#define DLB2_ALARM_HW_UNIT_CHP 4
-
-#define DLB2_ALARM_SYS_AID_ILLEGAL_QID		3
-#define DLB2_ALARM_SYS_AID_DISABLED_QID		4
-#define DLB2_ALARM_SYS_AID_ILLEGAL_HCW		5
-#define DLB2_ALARM_HW_CHP_AID_ILLEGAL_ENQ	1
-#define DLB2_ALARM_HW_CHP_AID_EXCESS_TOKEN_POPS 2
-
-/*
- * Hardware-defined base addresses. Those prefixed 'DLB2_DRV' are only used by
- * the PF driver.
- */
-#define DLB2_DRV_LDB_PP_BASE   0x2300000
-#define DLB2_DRV_LDB_PP_STRIDE 0x1000
-#define DLB2_DRV_LDB_PP_BOUND  (DLB2_DRV_LDB_PP_BASE + \
-				DLB2_DRV_LDB_PP_STRIDE * DLB2_MAX_NUM_LDB_PORTS)
-#define DLB2_DRV_DIR_PP_BASE   0x2200000
-#define DLB2_DRV_DIR_PP_STRIDE 0x1000
-#define DLB2_DRV_DIR_PP_BOUND  (DLB2_DRV_DIR_PP_BASE + \
-				DLB2_DRV_DIR_PP_STRIDE * DLB2_MAX_NUM_DIR_PORTS)
-#define DLB2_LDB_PP_BASE       0x2100000
-#define DLB2_LDB_PP_STRIDE     0x1000
-#define DLB2_LDB_PP_BOUND      (DLB2_LDB_PP_BASE + \
-				DLB2_LDB_PP_STRIDE * DLB2_MAX_NUM_LDB_PORTS)
-#define DLB2_LDB_PP_OFFS(id)   (DLB2_LDB_PP_BASE + (id) * DLB2_PP_SIZE)
-#define DLB2_DIR_PP_BASE       0x2000000
-#define DLB2_DIR_PP_STRIDE     0x1000
-#define DLB2_DIR_PP_BOUND      (DLB2_DIR_PP_BASE + \
-				DLB2_DIR_PP_STRIDE * \
-				DLB2_MAX_NUM_DIR_PORTS_V2_5)
-#define DLB2_DIR_PP_OFFS(id)   (DLB2_DIR_PP_BASE + (id) * DLB2_PP_SIZE)
-
-struct dlb2_resource_id {
-	u32 phys_id;
-	u32 virt_id;
-	u8 vdev_owned;
-	u8 vdev_id;
-};
-
-struct dlb2_freelist {
-	u32 base;
-	u32 bound;
-	u32 offset;
-};
-
-static inline u32 dlb2_freelist_count(struct dlb2_freelist *list)
-{
-	return list->bound - list->base - list->offset;
-}
-
-struct dlb2_hcw {
-	u64 data;
-	/* Word 3 */
-	u16 opaque;
-	u8 qid;
-	u8 sched_type:2;
-	u8 priority:3;
-	u8 msg_type:3;
-	/* Word 4 */
-	u16 lock_id;
-	u8 ts_flag:1;
-	u8 rsvd1:2;
-	u8 no_dec:1;
-	u8 cmp_id:4;
-	u8 cq_token:1;
-	u8 qe_comp:1;
-	u8 qe_frag:1;
-	u8 qe_valid:1;
-	u8 int_arm:1;
-	u8 error:1;
-	u8 rsvd:2;
-};
-
-struct dlb2_ldb_queue {
-	struct dlb2_list_entry domain_list;
-	struct dlb2_list_entry func_list;
-	struct dlb2_resource_id id;
-	struct dlb2_resource_id domain_id;
-	u32 num_qid_inflights;
-	u32 aqed_limit;
-	u32 sn_group; /* sn == sequence number */
-	u32 sn_slot;
-	u32 num_mappings;
-	u8 sn_cfg_valid;
-	u8 num_pending_additions;
-	u8 owned;
-	u8 configured;
-};
-
-/*
- * Directed ports and queues are paired by nature, so the driver tracks them
- * with a single data structure.
- */
-struct dlb2_dir_pq_pair {
-	struct dlb2_list_entry domain_list;
-	struct dlb2_list_entry func_list;
-	struct dlb2_resource_id id;
-	struct dlb2_resource_id domain_id;
-	u32 ref_cnt;
-	u8 init_tkn_cnt;
-	u8 queue_configured;
-	u8 port_configured;
-	u8 owned;
-	u8 enabled;
-};
-
-enum dlb2_qid_map_state {
-	/* The slot doesn't contain a valid queue mapping */
-	DLB2_QUEUE_UNMAPPED,
-	/* The slot contains a valid queue mapping */
-	DLB2_QUEUE_MAPPED,
-	/* The driver is mapping a queue into this slot */
-	DLB2_QUEUE_MAP_IN_PROG,
-	/* The driver is unmapping a queue from this slot */
-	DLB2_QUEUE_UNMAP_IN_PROG,
-	/*
-	 * The driver is unmapping a queue from this slot, and once complete
-	 * will replace it with another mapping.
-	 */
-	DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP,
-};
-
-struct dlb2_ldb_port_qid_map {
-	enum dlb2_qid_map_state state;
-	u16 qid;
-	u16 pending_qid;
-	u8 priority;
-	u8 pending_priority;
-};
-
-struct dlb2_ldb_port {
-	struct dlb2_list_entry domain_list;
-	struct dlb2_list_entry func_list;
-	struct dlb2_resource_id id;
-	struct dlb2_resource_id domain_id;
-	/* The qid_map represents the hardware QID mapping state. */
-	struct dlb2_ldb_port_qid_map qid_map[DLB2_MAX_NUM_QIDS_PER_LDB_CQ];
-	u32 hist_list_entry_base;
-	u32 hist_list_entry_limit;
-	u32 ref_cnt;
-	u8 init_tkn_cnt;
-	u8 num_pending_removals;
-	u8 num_mappings;
-	u8 owned;
-	u8 enabled;
-	u8 configured;
-};
-
-struct dlb2_sn_group {
-	u32 mode;
-	u32 sequence_numbers_per_queue;
-	u32 slot_use_bitmap;
-	u32 id;
-};
-
-static inline bool dlb2_sn_group_full(struct dlb2_sn_group *group)
-{
-	const u32 mask[] = {
-		0x0000ffff,  /* 64 SNs per queue */
-		0x000000ff,  /* 128 SNs per queue */
-		0x0000000f,  /* 256 SNs per queue */
-		0x00000003,  /* 512 SNs per queue */
-		0x00000001}; /* 1024 SNs per queue */
-
-	return group->slot_use_bitmap == mask[group->mode];
-}
-
-static inline int dlb2_sn_group_alloc_slot(struct dlb2_sn_group *group)
-{
-	const u32 bound[] = {16, 8, 4, 2, 1};
-	u32 i;
-
-	for (i = 0; i < bound[group->mode]; i++) {
-		if (!(group->slot_use_bitmap & (1 << i))) {
-			group->slot_use_bitmap |= 1 << i;
-			return i;
-		}
-	}
-
-	return -1;
-}
-
-static inline void
-dlb2_sn_group_free_slot(struct dlb2_sn_group *group, int slot)
-{
-	group->slot_use_bitmap &= ~(1 << slot);
-}
-
-static inline int dlb2_sn_group_used_slots(struct dlb2_sn_group *group)
-{
-	int i, cnt = 0;
-
-	for (i = 0; i < 32; i++)
-		cnt += !!(group->slot_use_bitmap & (1 << i));
-
-	return cnt;
-}
-
-struct dlb2_hw_domain {
-	struct dlb2_function_resources *parent_func;
-	struct dlb2_list_entry func_list;
-	struct dlb2_list_head used_ldb_queues;
-	struct dlb2_list_head used_ldb_ports[DLB2_NUM_COS_DOMAINS];
-	struct dlb2_list_head used_dir_pq_pairs;
-	struct dlb2_list_head avail_ldb_queues;
-	struct dlb2_list_head avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
-	struct dlb2_list_head avail_dir_pq_pairs;
-	u32 total_hist_list_entries;
-	u32 avail_hist_list_entries;
-	u32 hist_list_entry_base;
-	u32 hist_list_entry_offset;
-	u32 num_ldb_credits;
-	u32 num_dir_credits;
-	u32 num_avail_aqed_entries;
-	u32 num_used_aqed_entries;
-	struct dlb2_resource_id id;
-	int num_pending_removals;
-	int num_pending_additions;
-	u8 configured;
-	u8 started;
-};
-
-struct dlb2_bitmap;
-
-struct dlb2_function_resources {
-	struct dlb2_list_head avail_domains;
-	struct dlb2_list_head used_domains;
-	struct dlb2_list_head avail_ldb_queues;
-	struct dlb2_list_head avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
-	struct dlb2_list_head avail_dir_pq_pairs;
-	struct dlb2_bitmap *avail_hist_list_entries;
-	u32 num_avail_domains;
-	u32 num_avail_ldb_queues;
-	u32 num_avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
-	u32 num_avail_dir_pq_pairs;
-	u32 num_avail_qed_entries;
-	u32 num_avail_dqed_entries;
-	u32 num_avail_aqed_entries;
-	u8 locked; /* (VDEV only) */
-};
-
-/*
- * After initialization, each resource in dlb2_hw_resources is located in one
- * of the following lists:
- * -- The PF's available resources list. These are unconfigured resources owned
- *	by the PF and not allocated to a dlb2 scheduling domain.
- * -- A VDEV's available resources list. These are VDEV-owned unconfigured
- *	resources not allocated to a dlb2 scheduling domain.
- * -- A domain's available resources list. These are domain-owned unconfigured
- *	resources.
- * -- A domain's used resources list. These are domain-owned configured
- *	resources.
- *
- * A resource moves to a new list when a VDEV or domain is created or destroyed,
- * or when the resource is configured.
- */
-struct dlb2_hw_resources {
-	struct dlb2_ldb_queue ldb_queues[DLB2_MAX_NUM_LDB_QUEUES];
-	struct dlb2_ldb_port ldb_ports[DLB2_MAX_NUM_LDB_PORTS];
-	struct dlb2_dir_pq_pair dir_pq_pairs[DLB2_MAX_NUM_DIR_PORTS_V2_5];
-	struct dlb2_sn_group sn_groups[DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS];
-};
-
-struct dlb2_mbox {
-	u32 *mbox;
-	u32 *isr_in_progress;
-};
-
-struct dlb2_sw_mbox {
-	struct dlb2_mbox vdev_to_pf;
-	struct dlb2_mbox pf_to_vdev;
-	void (*pf_to_vdev_inject)(void *arg);
-	void *pf_to_vdev_inject_arg;
-};
-
-struct dlb2_hw {
-	uint8_t ver;
-
-	/* BAR 0 address */
-	void *csr_kva;
-	unsigned long csr_phys_addr;
-	/* BAR 2 address */
-	void *func_kva;
-	unsigned long func_phys_addr;
-
-	/* Resource tracking */
-	struct dlb2_hw_resources rsrcs;
-	struct dlb2_function_resources pf;
-	struct dlb2_function_resources vdev[DLB2_MAX_NUM_VDEVS];
-	struct dlb2_hw_domain domains[DLB2_MAX_NUM_DOMAINS];
-	u8 cos_reservation[DLB2_NUM_COS_DOMAINS];
-
-	/* Virtualization */
-	int virt_mode;
-	struct dlb2_sw_mbox mbox[DLB2_MAX_NUM_VDEVS];
-	unsigned int pasid[DLB2_MAX_NUM_VDEVS];
-};
-
-#endif /* __DLB2_HW_TYPES_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c b/drivers/event/dlb2/pf/base/dlb2_resource.c
index 8d6c00f31..4b3d1202c 100644
--- a/drivers/event/dlb2/pf/base/dlb2_resource.c
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
@@ -2,8 +2,6 @@
  * Copyright(c) 2016-2020 Intel Corporation
  */
 
-#define DLB2_USE_NEW_HEADERS /* TEMPORARY FOR MERGE */
-
 #include "dlb2_user.h"
 
 #include "dlb2_hw_types_new.h"
diff --git a/drivers/event/dlb2/pf/dlb2_main.c b/drivers/event/dlb2/pf/dlb2_main.c
index bac07f097..3ab0c3ef5 100644
--- a/drivers/event/dlb2/pf/dlb2_main.c
+++ b/drivers/event/dlb2/pf/dlb2_main.c
@@ -13,8 +13,6 @@
 #include <rte_malloc.h>
 #include <rte_errno.h>
 
-#define DLB2_USE_NEW_HEADERS /* TEMPORARY FOR MERGE */
-
 #include "base/dlb2_regs_new.h"
 #include "base/dlb2_hw_types_new.h"
 #include "base/dlb2_resource.h"
diff --git a/drivers/event/dlb2/pf/dlb2_main.h b/drivers/event/dlb2/pf/dlb2_main.h
index 01a24e8a4..2dfca58e3 100644
--- a/drivers/event/dlb2/pf/dlb2_main.h
+++ b/drivers/event/dlb2/pf/dlb2_main.h
@@ -15,11 +15,7 @@
 #define PAGE_SIZE (sysconf(_SC_PAGESIZE))
 #endif
 
-#ifdef DLB2_USE_NEW_HEADERS
 #include "base/dlb2_hw_types_new.h"
-#else
-#include "base/dlb2_hw_types.h"
-#endif
 #include "../dlb2_user.h"
 
 #define DLB2_DEFAULT_UNREGISTER_TIMEOUT_S 5
diff --git a/drivers/event/dlb2/pf/dlb2_pf.c b/drivers/event/dlb2/pf/dlb2_pf.c
index 4214ed85a..c4c776e83 100644
--- a/drivers/event/dlb2/pf/dlb2_pf.c
+++ b/drivers/event/dlb2/pf/dlb2_pf.c
@@ -31,8 +31,6 @@
 #include <rte_memory.h>
 #include <rte_string_fns.h>
 
-#define DLB2_USE_NEW_HEADERS /* TEMPORARY FOR MERGE */
-
 #include "../dlb2_priv.h"
 #include "../dlb2_iface.h"
 #include "../dlb2_inline_fns.h"
