diff --git a/device-akita.mk b/device-akita.mk
index 47ca876..a73f47b 100644
--- a/device-akita.mk
+++ b/device-akita.mk
@@ -56,6 +56,9 @@ PRODUCT_VENDOR_PROPERTIES += \
     vendor.primarydisplay.op.ns_hz=60 \
     vendor.primarydisplay.op.ns_min_dbv=593
 
+# lhbm peak brightness delay: decided by kernel
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += vendor.primarydisplay.lhbm.frames_to_reach_peak_brightness=0
+
 # Camera
 PRODUCT_COPY_FILES += \
 	device/google/akita/media_profiles_akita.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_V1_0.xml