diff --git a/Makefile b/Makefile
index 13d3949..0c92eb3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,41 +1,13 @@
-###############################################################################
-# SDIO
-###############################################################################
 SDIO_MOD_NAME = btmtksdio
 SDIO_CFILES := \
 	btmtk_sdio.c btmtk_main.c
 $(SDIO_MOD_NAME)-objs := $(SDIO_CFILES:.c=.o)
-
-###############################################################################
-# Common
-###############################################################################
-ifeq ($(PLATFORM),MT8516_YOCTO)
-	obj-m := $(SDIO_MOD_NAME).o
-	ifeq ($(SUPPORT_MTK_BT_STEREO),yes)
-		ccflags-y += -DSUPPORT_BT_STEREO=1
-	endif
-else
-	obj-m := $(USB_MOD_NAME).o $(SDIO_MOD_NAME).o
-endif
+obj-m := $(SDIO_MOD_NAME).o
 
 all:
-	$(MAKE) -C $(KERNEL_SRC) M=$(PWD)
-
-modules_install:
-	$(MAKE) -C $(KERNEL_SRC) M=$(PWD) modules_install
+	$(MAKE) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KERNEL_SRC) M=$(PWD) modules
 
 clean:
 	rm -f *.o *~ core .depend .*.cmd *.ko *.mod.c
 	rm -f Module.markers Module.symvers modules.order
 	rm -rf .tmp_versions Modules.symvers
-
-# Check coding style
-export IGNORE_CODING_STYLE_RULES := NEW_TYPEDEFS,LEADING_SPACE,CODE_INDENT,SUSPECT_CODE_INDENT
-ccs:
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_config.h
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_define.h
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_drv.h
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_main.c
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_sdio.c
-	./util/checkpatch.pl --no-tree --show-types --max-line-length=120 --ignore $(IGNORE_CODING_STYLE_RULES) -f btmtk_sdio.h
-