--- a/build/make/target/product/full_base.mk
+++ b/build/make/target/product/full_base.mk
@@ -45,7 +45,7 @@ PRODUCT_PACKAGES += \
# Additional settings used in all AOSP builds
PRODUCT_PROPERTY_OVERRIDES := \
ro.config.ringtone=Ring_Synth_04.ogg \
- ro.config.notification_sound=pixiedust.ogg
+ ro.config.notification_sound=null.ogg