diff --git a/Kbuild b/Kbuild
index e0cbc71e7578..8fa2d1e0f148 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2773,6 +2773,7 @@ cppflags-$(CONFIG_QCACLD_RX_DESC_MULTI_PAGE_ALLOC) += -DRX_DESC_MULTI_PAGE_ALLOC
 cppflags-$(CONFIG_WLAN_FEATURE_DP_EVENT_HISTORY) += -DWLAN_FEATURE_DP_EVENT_HISTORY
 cppflags-$(CONFIG_WLAN_DP_PER_RING_TYPE_CONFIG) += -DWLAN_DP_PER_RING_TYPE_CONFIG
 cppflags-$(CONFIG_SAP_DHCP_FW_IND) += -DSAP_DHCP_FW_IND
+cppflags-$(CONFIG_WLAN_DP_PENDING_MEM_FLUSH) += -DWLAN_DP_PENDING_MEM_FLUSH
 
 ifdef CONFIG_MAX_LOGS_PER_SEC
 ccflags-y += -DWLAN_MAX_LOGS_PER_SEC=$(CONFIG_MAX_LOGS_PER_SEC)
diff --git a/configs/default_defconfig b/configs/default_defconfig
index 1363f0c4e188..7a52bdd1e369 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -854,6 +854,7 @@ ifeq ($(CONFIG_LITHIUM), y)
 	CONFIG_WLAN_DP_PER_RING_TYPE_CONFIG := y
 	#Enable WMI TX/RX over QMI
 	CONFIG_WMI_SEND_RECV_QMI := y
+	CONFIG_WLAN_DP_PENDING_MEM_FLUSH := y
 endif
 
 #Flag to enable hdd memory dump feature