diff --git a/universal7904-common.mk b/universal7904-common.mk
index 4da551f..a9be98e 100644
--- a/universal7904-common.mk
+++ b/universal7904-common.mk
@@ -2,7 +2,7 @@
 $(call inherit-product, vendor/samsung/universal7904-common/universal7904-common-vendor.mk)
 
 # Dalvik
-$(call inherit-product, frameworks/native/build/phone-xhdpi-4096-dalvik-heap.mk)
+$(call inherit-product, frameworks/native/build/phone-xhdpi-2048-dalvik-heap.mk)
 
 # Audio
 TARGET_EXCLUDES_AUDIOFX := true
diff --git a/vendor.prop b/vendor.prop
index 0a61a8d..c4d5d0d 100644
--- a/vendor.prop
+++ b/vendor.prop
@@ -2,6 +2,9 @@
 ro.config.vc_call_vol_steps=7
 ro.config.alarm_vol_steps=15
 
+## Dalvik
+dalvik.vm.lockprof.threshold=500
+
 ## FRP
 # Disable invocation of oem_lock
 ro.frp.pst=/dev/block/persistent