diff --git a/config/cashier.php b/config/cashier.php
index f2883c5b..48350041 100644
--- a/config/cashier.php
+++ b/config/cashier.php
@@ -46,19 +46,6 @@
         'tolerance' => env('STRIPE_WEBHOOK_TOLERANCE', 300),
     ],
 
-    /*
-    |--------------------------------------------------------------------------
-    | Cashier Model
-    |--------------------------------------------------------------------------
-    |
-    | This is the model in your application that implements the Billable trait
-    | provided by Cashier. It will serve as the primary model you use while
-    | interacting with Cashier related methods, subscriptions, and so on.
-    |
-    */
-
-    'model' => env('CASHIER_MODEL', class_exists(App\Models\User::class) ? App\Models\User::class : App\User::class),
-
     /*
     |--------------------------------------------------------------------------
     | Currency
diff --git a/database/factories/SubscriptionFactory.php b/database/factories/SubscriptionFactory.php
index adefdafd..28b2e92a 100644
--- a/database/factories/SubscriptionFactory.php
+++ b/database/factories/SubscriptionFactory.php
@@ -5,6 +5,7 @@
 use DateTimeInterface;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Str;
+use Laravel\Cashier\Cashier;
 use Laravel\Cashier\Subscription;
 use Stripe\Subscription as StripeSubscription;
 
@@ -24,7 +25,7 @@ class SubscriptionFactory extends Factory
      */
     public function definition()
     {
-        $model = config('cashier.model');
+        $model = Cashier::$customerModel;
 
         return [
             (new $model)->getForeignKey() => ($model)::factory(),
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 5df111f0..54762eee 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -19,7 +19,6 @@
     </testsuites>
     <php>
         <env name="DB_CONNECTION" value="testing"/>
-        <env name="CASHIER_MODEL" value="Laravel\Cashier\Tests\Fixtures\User"/>
         <env name="CASHIER_PAYMENT_NOTIFICATION" value="Laravel\Cashier\Notifications\ConfirmPayment"/>
     </php>
 </phpunit>
diff --git a/src/Cashier.php b/src/Cashier.php
index 75c45d71..9852443e 100644
--- a/src/Cashier.php
+++ b/src/Cashier.php
@@ -52,6 +52,13 @@ class Cashier
      */
     public static $deactivatePastDue = true;
 
+    /**
+     * The default customer model class name.
+     *
+     * @var string
+     */
+    public static $customerModel = 'App\\Models\\User';
+
     /**
      * The subscription model class name.
      *
@@ -67,7 +74,7 @@ class Cashier
     public static $subscriptionItemModel = SubscriptionItem::class;
 
     /**
-     * Get the customer instance by Stripe ID.
+     * Get the customer instance by its Stripe ID.
      *
      * @param  string  $stripeId
      * @return \Laravel\Cashier\Billable|null
@@ -78,9 +85,7 @@ public static function findBillable($stripeId)
             return;
         }
 
-        $model = config('cashier.model');
-
-        return (new $model)->where('stripe_id', $stripeId)->first();
+        return (new static::$customerModel)->where('stripe_id', $stripeId)->first();
     }
 
     /**
@@ -168,6 +173,17 @@ public static function keepPastDueSubscriptionsActive()
         return new static;
     }
 
+    /**
+     * Set the customer model class name.
+     *
+     * @param  string  $customerModel
+     * @return void
+     */
+    public static function useCustomerModel($customerModel)
+    {
+        static::$customerModel = $customerModel;
+    }
+
     /**
      * Set the subscription model class name.
      *
diff --git a/src/Concerns/ManagesCustomer.php b/src/Concerns/ManagesCustomer.php
index 59594a6c..cc0fde49 100644
--- a/src/Concerns/ManagesCustomer.php
+++ b/src/Concerns/ManagesCustomer.php
@@ -217,7 +217,7 @@ public function reverseChargeApplies()
     }
 
     /**
-     * Get the default Stripe API options for the current Billable model.
+     * Get the default Stripe API options for the current customer model.
      *
      * @param  array  $options
      * @return array
diff --git a/src/Subscription.php b/src/Subscription.php
index 0102fca6..26c9fedc 100644
--- a/src/Subscription.php
+++ b/src/Subscription.php
@@ -82,7 +82,7 @@ public function user()
      */
     public function owner()
     {
-        $model = config('cashier.model');
+        $model = Cashier::$customerModel;
 
         return $this->belongsTo($model, (new $model)->getForeignKey());
     }
diff --git a/tests/Feature/LoggerTest.php b/tests/Feature/LoggerTest.php
index f12b775d..e545a951 100644
--- a/tests/Feature/LoggerTest.php
+++ b/tests/Feature/LoggerTest.php
@@ -83,6 +83,8 @@ public function test_it_uses_a_configured_logger()
 
     protected function getEnvironmentSetUp($app)
     {
+        parent::getEnvironmentSetUp($app);
+
         $app['config']->set('cashier.logger', $this->channel);
     }
 }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index bcfbed63..91137d01 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -2,11 +2,18 @@
 
 namespace Laravel\Cashier\Tests;
 
+use Laravel\Cashier\Cashier;
 use Laravel\Cashier\CashierServiceProvider;
+use Laravel\Cashier\Tests\Fixtures\User;
 use Orchestra\Testbench\TestCase as OrchestraTestCase;
 
 abstract class TestCase extends OrchestraTestCase
 {
+    protected function getEnvironmentSetUp($app)
+    {
+        Cashier::useCustomerModel(User::class);
+    }
+
     protected function getPackageProviders($app)
     {
         return [CashierServiceProvider::class];