diff --git a/app/Api/V1/Controllers/AccountController.php b/app/Api/V1/Controllers/AccountController.php
index 2f951fed3b..d20a6a2eb2 100644
--- a/app/Api/V1/Controllers/AccountController.php
+++ b/app/Api/V1/Controllers/AccountController.php
@@ -37,7 +37,6 @@ use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use League\Fractal\Resource\Collection as FractalCollection;
 use League\Fractal\Resource\Item;
 use League\Fractal\Serializer\JsonApiSerializer;
-use Preferences;
 
 /**
  * Class AccountController
@@ -104,7 +103,7 @@ class AccountController extends Controller
 
         // types to get, page size:
         $types    = $this->mapTypes($this->parameters->get('type'));
-        $pageSize = (int)Preferences::getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $pageSize = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
 
         // get list of accounts. Count it and split it.
         $collection = $this->repository->getAccountsByType($types);
diff --git a/app/Api/V1/Controllers/BillController.php b/app/Api/V1/Controllers/BillController.php
index 420b01dc16..de370ef3e3 100644
--- a/app/Api/V1/Controllers/BillController.php
+++ b/app/Api/V1/Controllers/BillController.php
@@ -37,7 +37,6 @@ use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use League\Fractal\Resource\Collection as FractalCollection;
 use League\Fractal\Resource\Item;
 use League\Fractal\Serializer\JsonApiSerializer;
-use Preferences;
 
 /**
  * Class BillController
@@ -89,7 +88,7 @@ class BillController extends Controller
      */
     public function index(Request $request): JsonResponse
     {
-        $pageSize  = (int)Preferences::getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $pageSize  = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
         $paginator = $this->repository->getPaginator($pageSize);
         /** @var Collection $bills */
         $bills = $paginator->getCollection();
diff --git a/app/Api/V1/Controllers/CurrencyController.php b/app/Api/V1/Controllers/CurrencyController.php
index 42cf032f8c..174c4ff261 100644
--- a/app/Api/V1/Controllers/CurrencyController.php
+++ b/app/Api/V1/Controllers/CurrencyController.php
@@ -38,7 +38,6 @@ use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use League\Fractal\Resource\Collection as FractalCollection;
 use League\Fractal\Resource\Item;
 use League\Fractal\Serializer\JsonApiSerializer;
-use Preferences;
 
 /**
  * Class CurrencyController
@@ -101,7 +100,7 @@ class CurrencyController extends Controller
      */
     public function index(Request $request): JsonResponse
     {
-        $pageSize   = (int)Preferences::getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $pageSize   = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
         $collection = $this->repository->get();
         $count      = $collection->count();
         // slice them:
@@ -157,8 +156,8 @@ class CurrencyController extends Controller
         $currency = $this->repository->store($request->getAll());
 
         if ($request->boolean('default') === true) {
-            Preferences::set('currencyPreference', $currency->code);
-            Preferences::mark();
+            app('preferences')->set('currencyPreference', $currency->code);
+            app('preferences')->mark();
         }
         if (null !== $currency) {
             $manager = new Manager();
@@ -188,8 +187,8 @@ class CurrencyController extends Controller
         $currency = $this->repository->update($currency, $data);
 
         if ($request->boolean('default') === true) {
-            Preferences::set('currencyPreference', $currency->code);
-            Preferences::mark();
+            app('preferences')->set('currencyPreference', $currency->code);
+            app('preferences')->mark();
         }
 
         $manager = new Manager();
diff --git a/app/Api/V1/Controllers/TransactionController.php b/app/Api/V1/Controllers/TransactionController.php
index f0dbc2b246..18cdb56a7b 100644
--- a/app/Api/V1/Controllers/TransactionController.php
+++ b/app/Api/V1/Controllers/TransactionController.php
@@ -40,7 +40,6 @@ use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use League\Fractal\Resource\Collection as FractalCollection;
 use League\Fractal\Serializer\JsonApiSerializer;
 use Log;
-use Preferences;
 
 /**
  * Class TransactionController
@@ -92,7 +91,7 @@ class TransactionController extends Controller
      */
     public function index(Request $request)
     {
-        $pageSize = (int)Preferences::getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $pageSize = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
 
         // read type from URI
         $type = $request->get('type') ?? 'default';
diff --git a/app/Api/V1/Controllers/UserController.php b/app/Api/V1/Controllers/UserController.php
index f2759f9e71..e8466818f9 100644
--- a/app/Api/V1/Controllers/UserController.php
+++ b/app/Api/V1/Controllers/UserController.php
@@ -36,7 +36,6 @@ use League\Fractal\Pagination\IlluminatePaginatorAdapter;
 use League\Fractal\Resource\Collection as FractalCollection;
 use League\Fractal\Resource\Item;
 use League\Fractal\Serializer\JsonApiSerializer;
-use Preferences;
 
 
 /**
@@ -94,7 +93,7 @@ class UserController extends Controller
     public function index(Request $request)
     {
         // user preferences
-        $pageSize = (int)Preferences::getForUser(auth()->user(), 'listPageSize', 50)->data;
+        $pageSize = (int)app('preferences')->getForUser(auth()->user(), 'listPageSize', 50)->data;
 
         // make manager
         $manager = new Manager();