diff --git a/app/Models/HeadTeacher.php b/app/Models/HeadTeacher.php
index cf0eadc..4c6d363 100644
--- a/app/Models/HeadTeacher.php
+++ b/app/Models/HeadTeacher.php
@@ -9,8 +9,7 @@ class HeadTeacher extends Model
 {
     use HasFactory;
 
-    protected $fillable = [
-        'user_id',
+    protected $guarded = [
         'updated_at',
     ];
 
diff --git a/app/Models/Parentt.php b/app/Models/Parentt.php
index 3c4e242..ea3003c 100644
--- a/app/Models/Parentt.php
+++ b/app/Models/Parentt.php
@@ -12,8 +12,7 @@ class Parentt extends Model
 
     protected $table = 'parents';
 
-    protected $fillable = [
-        'user_id',
+    protected $guarded = [
         'updated_at',
     ];
 
diff --git a/app/Models/Student.php b/app/Models/Student.php
index 88796e4..086a410 100644
--- a/app/Models/Student.php
+++ b/app/Models/Student.php
@@ -11,10 +11,6 @@ class Student extends Model
 {
     use HasFactory;
 
-    protected $fillable = [
-        'user_id',
-    ];
-
     protected $guarded = [
         'updated_at',
     ];
diff --git a/app/Models/Teacher.php b/app/Models/Teacher.php
index 5abfce6..b873eab 100644
--- a/app/Models/Teacher.php
+++ b/app/Models/Teacher.php
@@ -10,8 +10,7 @@ class Teacher extends Model
 {
     use HasFactory;
 
-    protected $fillable = [
-        'user_id',
+    protected $guarded = [
         'updated_at',
     ];