diff --git a/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/BackupRestore.kt b/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/BackupRestore.kt
index f487204b..9633939f 100644
--- a/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/BackupRestore.kt
+++ b/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/BackupRestore.kt
@@ -165,7 +165,9 @@ fun BackupRestoreScreen(navigator: DestinationsNavigator) {
             val prefs = context.getSharedPreferences("settings", Context.MODE_PRIVATE)
 
             var useOverlayFs by rememberSaveable {
-                mutableStateOf(readMountSystemFile())
+                mutableStateOf(
+                    prefs.getBoolean("use_overlay_fs", false)
+                )
             }
 
             val moduleRestore = stringResource(id = R.string.module_restore)
diff --git a/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/Settings.kt b/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/Settings.kt
index 44d63d53..e186583a 100644
--- a/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/Settings.kt
+++ b/manager/app/src/main/java/com/rifsxd/ksunext/ui/screen/Settings.kt
@@ -224,11 +224,9 @@ fun SettingScreen(navigator: DestinationsNavigator) {
             }
 
             var useOverlayFs by rememberSaveable {
-                mutableStateOf(readMountSystemFile())
-            }
-
-            LaunchedEffect(Unit) {
-                useOverlayFs = readMountSystemFile()
+                mutableStateOf(
+                    prefs.getBoolean("use_overlay_fs", false)
+                )
             }
 
             var showRebootDialog by remember { mutableStateOf(false) }
@@ -246,10 +244,8 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                     useOverlayFs = it
                     if (useOverlayFs) {
                         moduleBackup()
-                        updateMountSystemFile(true)
                     } else {
                         moduleMigration()
-                        updateMountSystemFile(false)
                     }
                     if (isManager) install()
                     showRebootDialog = true
diff --git a/manager/app/src/main/java/com/rifsxd/ksunext/ui/util/KsuCli.kt b/manager/app/src/main/java/com/rifsxd/ksunext/ui/util/KsuCli.kt
index a75f0bdd..c71cbd8f 100644
--- a/manager/app/src/main/java/com/rifsxd/ksunext/ui/util/KsuCli.kt
+++ b/manager/app/src/main/java/com/rifsxd/ksunext/ui/util/KsuCli.kt
@@ -37,16 +37,10 @@ private fun ksuDaemonOverlayfsPath(): String {
     return ksuApp.applicationInfo.nativeLibraryDir + File.separator + "libksud_overlayfs.so"
 }
 
-fun readMountSystemFile(): Boolean {
-    val shell = getRootShell()
-    val filePath = "/data/adb/ksu/mount_system"
-    val result = ShellUtils.fastCmd(shell, "cat $filePath").trim()
-    return result == "OVERLAYFS"
-}
-
 // Get the path based on the user's choice
 fun getKsuDaemonPath(): String {
-    val useOverlayFs = readMountSystemFile()
+    val prefs = ksuApp.getSharedPreferences("settings", Context.MODE_PRIVATE)
+    val useOverlayFs = prefs.getBoolean("use_overlay_fs", false)
     
     return if (useOverlayFs) {
         ksuDaemonOverlayfsPath()
@@ -55,16 +49,6 @@ fun getKsuDaemonPath(): String {
     }
 }
 
-fun updateMountSystemFile(useOverlayFs: Boolean) {
-    val shell = getRootShell()
-    val filePath = "/data/adb/ksu/mount_system"
-    if (useOverlayFs) {
-        ShellUtils.fastCmd(shell, "echo -n OVERLAYFS > $filePath")
-    } else {
-        ShellUtils.fastCmd(shell, "echo -n MAGIC_MOUNT > $filePath")
-    }
-}
-
 data class FlashResult(val code: Int, val err: String, val showReboot: Boolean) {
     constructor(result: Shell.Result, showReboot: Boolean) : this(result.code, result.err.joinToString("\n"), showReboot)
     constructor(result: Shell.Result) : this(result, result.isSuccess)