diff --git a/core/board_config.mk b/core/board_config.mk
index 120f511..15a9944 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -191,7 +191,7 @@
 define dump-public-variables
 $(file >$(OUT_DIR)/dump-public-variables-temp.txt,$(subst $(space),$(newline),$(.VARIABLES)))\
 $(file >$(1),\
-$(foreach v, $(shell grep -he "^[A-Z][A-Z0-9_]*$$" $(OUT_DIR)/dump-public-variables-temp.txt | grep -vhe "^SOONG_"),\
+$(foreach v, $(shell grep -he "^[A-Z][A-Z0-9_]*$$" $(OUT_DIR)/dump-public-variables-temp.txt | grep -vhE "^(SOONG_.*|LOCAL_PATH|TOPDIR|PRODUCT_COPY_OUT_.*)$$"),\
 $(v) := $(strip $($(v)))$(newline)))
 endef