diff --git a/device.mk b/device.mk
index 6a40714..0735702 100644
--- a/device.mk
+++ b/device.mk
@@ -226,6 +226,9 @@
 
 # setup dalvik vm configs.
 $(call inherit-product, frameworks/native/build/tablet-10in-xhdpi-2048-dalvik-heap.mk)
+# N9 has only two CPUs, so drop dex2oat pressure after boot at runtime
+PRODUCT_PROPERTY_OVERRIDES += \
+    dalvik.vm.dex2oat-threads=1
 
 # for off charging mode
 PRODUCT_PACKAGES += \