diff --git a/app/Models/LoginActivityModel.php b/app/Models/LoginActivityModel.php
index 653edd9..393a12c 100644
--- a/app/Models/LoginActivityModel.php
+++ b/app/Models/LoginActivityModel.php
@@ -18,7 +18,6 @@ class LoginActivityModel extends Model
         'logout_time', 
         'ip_address', 
         'user_agent',
-        'semester',
         'created_at',
         'updated_at',
         'school_year',
diff --git a/app/Models/PaymentTransactionModel.php b/app/Models/PaymentTransactionModel.php
index b441bc0..e991542 100644
--- a/app/Models/PaymentTransactionModel.php
+++ b/app/Models/PaymentTransactionModel.php
@@ -21,7 +21,6 @@ class PaymentTransactionModel extends Model
         'payment_method',
         'payment_status',
         'transaction_fee',
-        'semester',
         'school_year'
     ];
 
@@ -34,7 +33,6 @@ class PaymentTransactionModel extends Model
         'amount' => 'required|decimal',
         'payment_method' => 'required|string|max_length[50]',
         'payment_status' => 'required|string|max_length[50]',
-        'semester' => 'permit_empty|string|max_length[30]',
         'school_year' => 'required|string|max_length[9]',
     ];