diff --git a/basic/non_plat/file.te b/basic/non_plat/file.te
index 5cd008d..55b6579 100644
--- a/basic/non_plat/file.te
+++ b/basic/non_plat/file.te
@@ -134,10 +134,6 @@ type proc_swappiness, fs_type, proc_type;
 # Purpose: Add permission for /proc/driver/conninfra_dbg
 type proc_conninfradbg, fs_type, proc_type;
 
-# Date: 2021/04/20
-# Purpose : add permission for proc/sys/vm/watermark_scale_factor
-type proc_watermark_scale_factor, fs_type, proc_type;
-
 # Data : 2021/4/21
 # Purpose : add permission for /proc/mtk_usb, /proc/mtk_typec
 type proc_usb_plat, fs_type, proc_type;
diff --git a/basic/non_plat/genfs_contexts b/basic/non_plat/genfs_contexts
index 5b77bd4..e19f87e 100644
--- a/basic/non_plat/genfs_contexts
+++ b/basic/non_plat/genfs_contexts
@@ -137,10 +137,6 @@ genfscon proc /mcdi/ u:object_r:proc_mcdi:s0
 # Purpose: Add permission for /proc/driver/conninfra_dbg
 genfscon proc /driver/conninfra_dbg u:object_r:proc_conninfradbg:s0
 
-# Date : 2021/04/20
-# Purpose : write /proc/sys/vm/watermark_scale_factor
-genfscon proc /sys/vm/watermark_scale_factor u:object_r:proc_watermark_scale_factor:s0
-
 # Data : 2021/4/21
 # Purpose : read/write /proc/mtk_usb, /proc/mtk_typec
 genfscon proc /mtk_usb u:object_r:proc_usb_plat:s0