diff --git a/spectral/Kbuild b/spectral/Kbuild
index 5cf6b6d594f9..c96ffbc80436 100644
--- a/spectral/Kbuild
+++ b/spectral/Kbuild
@@ -57,8 +57,7 @@ HOST_CMN_CONVG_HAL_INC := $(DEPTH)/cmn_dev/hal/inc
 HOST_CMN_CONVG_HAL_WIFI_INC := $(DEPTH)/cmn_dev/hal/wifi3.0
 
 INCS += -I$(obj)/$(DEPTH)/include -I$(obj)/$(DEPTH)/umac/include \
-        -I$(obj)/$(DEPTH)/direct_attach/umac/include \
-        -I$(obj)/$(DEPTH)/direct_attach/umac/if_lmac -I$(obj)/$(DEPTH)/umac/crypto \
+        -I$(obj)/$(DEPTH)/umac/crypto \
         -I$(obj)/$(DEPTH)/umac/scan -I$(obj)/$(DEPTH)/umac/resmgr \
         -I$(obj)/$(DEPTH)/umac/pm -I$(obj)/$(DEPTH)/umac/txrx \
         -I$(obj)/$(DEPTH)/umac/acs -I$(obj)/$(DEPTH)/umac/txbf \
@@ -67,14 +66,11 @@ INCS += -I$(obj)/$(DEPTH)/include -I$(obj)/$(DEPTH)/umac/include \
         -I$(obj)/$(DEPTH)/umac/rpt_placement \
         -I$(obj)/$(DEPTH)/umac/wifipos \
         -I$(obj)/$(DEPTH)/umac/wds -I$(obj)/$(DEPTH)/umac/ique \
-        -I$(obj)/$(DEPTH)/direct_attach/hal -I$(obj)/$(DEPTH)/direct_attach/lmac/ath_dev \
-        -I$(obj)/$(DEPTH)/direct_attach/hal/$(OS) \
         -I$(obj)/$(DEPTH)/umac/vi_dbg \
         -I$(obj)/$(DEPTH)/umac/smart_antenna \
         -I$(obj)/$(DEPTH)/umac/smart_ant \
         -I$(obj)/$(DEPTH)/umac/ald \
         -I$(obj)/$(DEPTH)/lmac/ath_pktlog \
-        -I$(obj)/$(DEPTH)/direct_attach/lmac/ratectrl \
         -I$(obj)/$(DEPTH)/os/linux/mem/ \
         -I$(obj)/$(DEPTH)/umac/base \
         -I$(obj)/$(DEPTH)/qca_ol \
@@ -171,11 +167,6 @@ INCS += -I$(obj)/$(DEPTH)/cmn_dev/umac/cmn_services/mgmt_txrx/dispatcher/inc
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/umac/regulatory/dispatcher/inc
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/umac/dfs/dispatcher/inc
 
-SPECTRAL_DA_OBJS := $(DEPTH)/direct_attach/lmac/spectral/spectral.o \
-                    $(DEPTH)/direct_attach/lmac/spectral/spectral_netlink.o \
-                    $(DEPTH)/direct_attach/lmac/spectral/spectral_cmds.o \
-                    $(DEPTH)/direct_attach/lmac/spectral/spectral_process_data.o \
-                    $(DEPTH)/direct_attach/lmac/spectral/spectral_phyerr.o
 #End of legacy spectral defines
 
 ifeq ($(QCA_AIRTIME_FAIRNESS), 1)
@@ -223,18 +214,8 @@ SPECTRAL_CMN_OBJS +=  core/spectral_offload.o \
                       $(DEPTH)/cmn_dev/os_if/linux/spectral/src/wlan_cfg80211_spectral.o \
                       $(DEPTH)/cmn_dev/os_if/linux/spectral/src/os_if_spectral_netlink.o
 
-ifeq ($(strip ${DA_SUPPORT}),1)
-SPECTRAL_CMN_OBJS +=  $(DEPTH)/component_dev/direct_attach/spectral/core/spectral_direct_attach.o
-endif
-
-ifeq ($(strip ${DA_SUPPORT}),1)
-qca_spectral-objs +=  ${SPECTRAL_CMN_OBJS} \
-                      ${SPECTRAL_TIF_OBJS} \
-                      ${SPECTRAL_DA_OBJS}
-else
 qca_spectral-objs +=  ${SPECTRAL_CMN_OBJS} \
                       ${SPECTRAL_TIF_OBJS}
-endif
 
 ifeq ($(strip ${QCA_PARTNER_MAKE_F_SUPPORT}),1)
 all: qca_spectral.ko
diff --git a/spectral/core/spectral_common.c b/spectral/core/spectral_common.c
index 29a898a7f8a6..bcef82f85f30 100644
--- a/spectral/core/spectral_common.c
+++ b/spectral/core/spectral_common.c
@@ -21,9 +21,6 @@
 #include "spectral_ol_api_i.h"
 #include <qdf_mem.h>
 #include <qdf_types.h>
-#ifdef DA_SUPPORT
-#include "spectral_da_api_i.h"
-#endif
 #include <wlan_spectral_public_structs.h>
 #include <wlan_cfg80211_spectral.h>
 #include <cfg_ucfg_api.h>
@@ -495,26 +492,6 @@ spectral_ctx_deinit(struct spectral_context *sc)
 	}
 }
 
-#ifdef DA_SUPPORT
-/**
- * wlan_spectral_init_da() - init context of DA devices
- *
- * init context of DA device
- *
- * Return: void
- */
-static void
-wlan_spectral_init_da(struct spectral_context *sc)
-{
-	spectral_ctx_init_da(sc);
-}
-#else
-static void
-wlan_spectral_init_da(struct spectral_context *sc)
-{
-}
-#endif
-
 QDF_STATUS
 wlan_spectral_psoc_obj_create_handler(struct wlan_objmgr_psoc *psoc, void *arg)
 {
@@ -540,8 +517,6 @@ wlan_spectral_psoc_obj_create_handler(struct wlan_objmgr_psoc *psoc, void *arg)
 	sc->psoc_obj = psoc;
 	if (wlan_objmgr_psoc_get_dev_type(psoc) == WLAN_DEV_OL)
 		spectral_ctx_init_ol(sc);
-	else if (wlan_objmgr_psoc_get_dev_type(psoc) == WLAN_DEV_DA)
-		wlan_spectral_init_da(sc);
 	wlan_objmgr_psoc_component_obj_attach(psoc, WLAN_UMAC_COMP_SPECTRAL,
 					      (void *)sc, QDF_STATUS_SUCCESS);