diff --git a/target/board/BoardConfigEmuCommon.mk b/target/board/BoardConfigEmuCommon.mk
index e8a562a22..ca2176c73 100644
--- a/target/board/BoardConfigEmuCommon.mk
+++ b/target/board/BoardConfigEmuCommon.mk
@@ -36,5 +36,3 @@ DEVICE_MATRIX_FILE   := device/generic/goldfish/compatibility_matrix.xml
 
 BOARD_SEPOLICY_DIRS += device/generic/goldfish/sepolicy/common
 BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
-
-BUILD_BROKEN_DUP_RULES := false
diff --git a/target/board/treble_common.mk b/target/board/treble_common.mk
index e314eba01..daa0f4cdb 100644
--- a/target/board/treble_common.mk
+++ b/target/board/treble_common.mk
@@ -61,5 +61,3 @@ ifeq ($(BOARD_AVB_ENABLE),true)
 $(error BOARD_AVB_ENABLE cannot be set for Treble GSI)
 endif
 BOARD_BUILD_DISABLED_VBMETAIMAGE := true
-
-BUILD_BROKEN_DUP_RULES := false