diff --git a/BoardConfig.mk b/BoardConfig.mk
index 94fec46..b8b4c04 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -76,15 +76,6 @@
 # Enable auto suspend in poweroff charging to save power
 BOARD_CHARGER_ENABLE_SUSPEND := true
 
-# Enable dex-preoptimization to speed up first boot sequence
-ifeq ($(HOST_OS),linux)
-  ifneq ($(TARGET_BUILD_VARIANT),eng)
-    ifeq ($(WITH_DEXPREOPT),)
-      WITH_DEXPREOPT := true
-    endif
-  endif
-endif
-
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_BOOTIMAGE_PARTITION_SIZE := 33554432
 BOARD_RECOVERYIMAGE_PARTITION_SIZE := 33554432