diff --git a/build.config.common b/build.config.common
index 9689ff66a114..0019e361e522 100644
--- a/build.config.common
+++ b/build.config.common
@@ -6,9 +6,3 @@ DEPMOD=depmod
 DTC=$(command -v dtc)
 
 KCFLAGS="${KCFLAGS} -D__ANDROID_COMMON_KERNEL__"
-EXTRA_CMDS=''
-STOP_SHIP_TRACEPRINTK=1
-IN_KERNEL_MODULES=1
-DO_NOT_STRIP_MODULES=1
-
-HERMETIC_TOOLCHAIN=${HERMETIC_TOOLCHAIN:-1}