--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -283,10 +283,7 @@ else
 drv_dsl_cpe_api_common_mod_cflags =
 endif
 
-drv_dsl_cpe_api_common_cflags = -DLINUX -D__LINUX__ -D__KERNEL__ -DEXPORT_SYMTAB \
-    -pipe -Wall -Wformat -Wimplicit -Wunused -Wswitch -Wcomment -Winline \
-    -Wuninitialized -Wparentheses -Wreturn-type \
-    -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
+drv_dsl_cpe_api_common_cflags = -DLINUX -D__LINUX__ -D__KERNEL__ -DEXPORT_SYMTAB
 
 if DSL_DBG_MAX_LEVEL_SET
 drv_dsl_cpe_api_common_cflags += -DDSL_DBG_MAX_LEVEL=$(DSL_DBG_MAX_LEVEL_PRE)
@@ -296,7 +293,7 @@ endif
 drv_dsl_cpe_api_target_cflags = $(ADD_DRV_CFLAGS)
 
 # compile cflags
-drv_dsl_cpe_api_compile_cflags = $(EXTRA_DRV_CFLAGS)
+drv_dsl_cpe_api_compile_cflags =
 
 if !KERNEL_2_6
 # the headerfile of linux kernels 2.6.x contain to much arithmetic