diff --git a/tests/Database/DatabaseQueryBuilderTest.php b/tests/Database/DatabaseQueryBuilderTest.php
index 5a5f9d0da64c..91f9819cc25c 100755
--- a/tests/Database/DatabaseQueryBuilderTest.php
+++ b/tests/Database/DatabaseQueryBuilderTest.php
@@ -1334,8 +1334,6 @@ public function testUpdateMethodWithJoinsOnPostgres()
         $result = $builder->from('users')->join('orders', 'users.id', '=', 'orders.user_id')->where('users.id', '=', 1)->update(['email' => 'foo', 'name' => 'bar']);
         $this->assertEquals(1, $result);
 
-        $_ENV['x'] = 1;
-
         $builder = $this->getPostgresBuilder();
         $builder->getConnection()->shouldReceive('update')->once()->with('update "users" set "email" = ?, "name" = ? from "orders" where "users"."id" = "orders"."user_id" and "users"."id" = ?', ['foo', 'bar', 1])->andReturn(1);
         $result = $builder->from('users')->join('orders', function ($join) {