diff --git a/BoardConfig.mk b/BoardConfig.mk
index 99447c4..82e3f06 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -114,10 +114,7 @@ BOARD_KERNEL_PAGESIZE := 4096
 BOARD_KERNEL_SEPARATED_DTBO := true
 BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 BOARD_RAMDISK_USE_LZ4 := true
-TARGET_KERNEL_ADDITIONAL_FLAGS := \
-    DTC_EXT=$(shell pwd)/prebuilts/misc/linux-x86/dtc/dtc \
-    LLVM=1 \
-    LLVM_IAS=1
+TARGET_KERNEL_ADDITIONAL_FLAGS := DTC_EXT=$(shell pwd)/prebuilts/misc/linux-x86/dtc/dtc
 TARGET_KERNEL_SOURCE := kernel/oneplus/sm4350
 TARGET_KERNEL_CONFIG := vendor/holi-qgki_defconfig