diff --git a/net/caif/Makefile b/net/caif/Makefile
index 34852af..f87481f 100644
--- a/net/caif/Makefile
+++ b/net/caif/Makefile
@@ -1,23 +1,13 @@
-ifeq ($(CONFIG_CAIF_DEBUG),1)
-CAIF_DBG_FLAGS := -DDEBUG
+ifeq ($(CONFIG_CAIF_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
 endif
 
-ccflags-y := $(CAIF_FLAGS) $(CAIF_DBG_FLAGS)
-
 caif-objs := caif_dev.o \
 	cfcnfg.o cfmuxl.o cfctrl.o  \
 	cffrml.o cfveil.o cfdbgl.o\
 	cfserl.o cfdgml.o  \
 	cfrfml.o cfvidl.o cfutill.o \
 	cfsrvl.o cfpkt_skbuff.o caif_config_util.o
-clean-dirs:= .tmp_versions
-
-clean-files:= \
-	Module.symvers \
-	modules.order \
-	*.cmd \
-	*.o \
-	*~
 
 obj-$(CONFIG_CAIF) += caif.o
 obj-$(CONFIG_CAIF_NETDEV) += chnl_net.o