diff --git a/device.mk b/device.mk
index 7d408cc..e9656a7 100644
--- a/device.mk
+++ b/device.mk
@@ -877,10 +877,3 @@
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
 	ro.vendor.build.svn=2
-
-# Use /product/etc/fstab.postinstall to mount system_other.
-PRODUCT_PRODUCT_PROPERTIES += \
-    ro.postinstall.fstab.prefix=/product
-
-PRODUCT_COPY_FILES += \
-    $(LOCAL_PATH)/fstab.postinstall:$(TARGET_COPY_OUT_PRODUCT)/etc/fstab.postinstall
diff --git a/fstab.postinstall b/fstab.postinstall
deleted file mode 100644
index df8f77b..0000000
--- a/fstab.postinstall
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# Copyright (C) 2019 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-#<src>                    <mnt_point>  <type> <mnt_flags and options> <fs_mgr_flags>
-/dev/block/by-name/system /postinstall ext4   ro,nosuid,nodev,noexec  slotselect_other,avb_keys=/product/etc/security/avb/system_other.avbpubkey