diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index 998bd5c..dfecf05 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -41,9 +41,15 @@ BOARD_KERNEL_CMDLINE += swiotlb=noforce
 BOARD_KERNEL_CMDLINE += disable_dma32=on
 BOARD_KERNEL_CMDLINE += sysctl.kernel.sched_pelt_multiplier=4
 
+# Normal (non-_fullmte) builds should disable kasan
 ifeq (,$(filter %_fullmte,$(TARGET_PRODUCT)))
-ifneq (,$(filter eng,$(TARGET_BUILD_VARIANT)))
 BOARD_KERNEL_CMDLINE += kasan=off
+endif
+
+# Enable a limited subset of MTE for "normal" (non-_fullmte) eng builds.
+# Don't touch any settings for _fullmte builds. They are set somewhere else.
+ifeq (,$(filter %_fullmte,$(TARGET_PRODUCT)))
+ifeq ($(TARGET_BUILD_VARIANT),eng)
 BOARD_KERNEL_CMDLINE += bootloader.pixel.MTE_FORCE_ON
 ifeq ($(filter memtag_heap,$(SANITIZE_TARGET)),)
 SANITIZE_TARGET := $(strip $(SANITIZE_TARGET) memtag_heap)