diff --git a/build/core/mtk_target.mk b/build/core/mtk_target.mk
index 7c3ba1f..2985f50 100644
--- a/build/core/mtk_target.mk
+++ b/build/core/mtk_target.mk
@@ -1,3 +1,6 @@
+# Bring in Mediatek helper macros
+include vendor/bliss/build/core/mtk_utils.mk
+
 ifeq ($(BOARD_USES_MTK_HARDWARE),true)
     mtk_flags := -DMTK_HARDWARE
 
diff --git a/build/core/qcom_target.mk b/build/core/qcom_target.mk
index 2d21a97..ffcd233 100644
--- a/build/core/qcom_target.mk
+++ b/build/core/qcom_target.mk
@@ -1,5 +1,8 @@
 # Target-specific configuration
 
+# Bring in Qualcomm helper macros
+include vendor/bliss/build/core/qcom_utils.mk
+
 # Populate the qcom hardware variants in the project pathmap.
 define ril-set-path-variant
 $(call project-set-path-variant,ril,TARGET_RIL_VARIANT,hardware/$(1))