diff --git a/device.mk b/device.mk
index 3b11cbc..dc7e7f6 100644
--- a/device.mk
+++ b/device.mk
@@ -971,12 +971,6 @@
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/powerhint.json:$(TARGET_COPY_OUT_VENDOR)/etc/powerhint.json
 
-# ZRAM writeback
-PRODUCT_PROPERTY_OVERRIDES += \
-    ro.zram.mark_idle_delay_mins=60 \
-    ro.zram.first_wb_delay_mins=180 \
-    ro.zram.periodic_wb_delay_hours=24
-
 # Disable SPU usage
 PRODUCT_PROPERTY_OVERRIDES += \
     vendor.gatekeeper.disable_spu = true