diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 9bf3c8bed5..70c78a8d9f 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -69,6 +69,4 @@ BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
 TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
 
-BOARD_VNDK_VERSION := current
-
-BUILD_BROKEN_DUP_RULES := false
+BOARD_VNDK_VERSION := current
\ No newline at end of file
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index dbdec9055c..be8ea3918a 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -101,5 +101,3 @@ TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
 
 BOARD_VNDK_VERSION := current
-
-BUILD_BROKEN_DUP_RULES := false
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index fa4c355346..2052d7bc75 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -91,5 +91,3 @@ DEX_PREOPT_DEFAULT := nostripping
 # Enable A/B update
 TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
-
-BUILD_BROKEN_DUP_RULES := false
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 3760cc4ec3..f71e72b95d 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -63,8 +63,6 @@ BOARD_SEPOLICY_DIRS += \
 
 BOARD_VNDK_VERSION := current
 
-BUILD_BROKEN_DUP_RULES := false
-
 # Enable A/B update
 TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
diff --git a/target/board/generic_x86_64/BoardConfig.mk b/target/board/generic_x86_64/BoardConfig.mk
index ec7a51e5de..a9c5142049 100755
--- a/target/board/generic_x86_64/BoardConfig.mk
+++ b/target/board/generic_x86_64/BoardConfig.mk
@@ -65,5 +65,3 @@ BOARD_VNDK_VERSION := current
 # Enable A/B update
 TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
-
-BUILD_BROKEN_DUP_RULES := false
diff --git a/target/board/treble_common.mk b/target/board/treble_common.mk
index 187022edb3..a8c9bc52bd 100644
--- a/target/board/treble_common.mk
+++ b/target/board/treble_common.mk
@@ -58,5 +58,3 @@ 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