diff --git a/configs/default_defconfig b/configs/default_defconfig
index 8744ba6b24..cb1122a3f7 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -135,7 +135,6 @@ endif
 
 ifeq (y,$(findstring y,$(CONFIG_LITHIUM) $(CONFIG_BERYLLIUM)))
 	CONFIG_FIX_TXDMA_LIMITATION := y
-	CONFIG_FEATURE_AST := y
 	CONFIG_PEER_PROTECTED_ACCESS := y
 	CONFIG_SERIALIZE_QUEUE_SETUP := y
 	CONFIG_DP_RX_PKT_NO_PEER_DELIVER := y
@@ -157,6 +156,14 @@ ifeq (y,$(findstring y,$(CONFIG_LITHIUM) $(CONFIG_BERYLLIUM)))
 	CONFIG_FEATURE_RX_LINKSPEED_ROAM_TRIGGER := y
 endif
 
+ifeq ($(CONFIG_LITHIUM), y)
+	CONFIG_FEATURE_AST := y
+endif
+
+ifeq ($(CONFIG_BERYLLIUM), y)
+	CONFIG_FEATURE_AST := n
+endif
+
 ifeq ($(CONFIG_CLD_HL_SDIO_CORE), y)
 	CONFIG_QCA_WIFI_SDIO := y
 ifndef CONFIG_SDIO_TRANSFER