diff --git a/database/migrations/2018_06_26_035802_add_eta_user_bank_slip_table.php b/database/migrations/2018_06_26_035802_add_eta_user_bank_slip_table.php
index acd53a08..ff5cc1f7 100644
--- a/database/migrations/2018_06_26_035802_add_eta_user_bank_slip_table.php
+++ b/database/migrations/2018_06_26_035802_add_eta_user_bank_slip_table.php
@@ -14,7 +14,7 @@ class AddEtaUserBankSlipTable extends Migration
     public function up()
     {
         Schema::table('user_bank_slips', function (Blueprint $table) {
-            $table->integer('estimated_arrival_time');
+            $table->integer('estimated_arrival_time')->nullable();
         });
     }
 
@@ -27,7 +27,7 @@ class AddEtaUserBankSlipTable extends Migration
     {
         if (Schema::hasColumn('user_bank_slips', 'estimated_arrival_time')) {
             Schema::table('user_bank_slips', function (Blueprint $table) {
-                // $table->dropColumn('estimated_arrival_time');
+                $table->dropColumn('estimated_arrival_time');
             });
         }
     }