diff --git a/app/Api/V2/Controllers/Model/Budget/ShowController.php b/app/Api/V2/Controllers/Model/Budget/ShowController.php
index a451b07662..70a0490b45 100644
--- a/app/Api/V2/Controllers/Model/Budget/ShowController.php
+++ b/app/Api/V2/Controllers/Model/Budget/ShowController.php
@@ -30,13 +30,17 @@ use FireflyIII\Api\V2\Request\Generic\DateRequest;
 use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Models\Budget;
 use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
+use FireflyIII\Support\Http\Api\ConvertsExchangeRates;
 use Illuminate\Http\JsonResponse;
 
 /**
  * Class ShowController
+ * TODO lots of deprecated code here.
  */
 class ShowController extends Controller
 {
+    use ConvertsExchangeRates;
+
     private BudgetRepositoryInterface $repository;
 
     /**
@@ -61,7 +65,6 @@ class ShowController extends Controller
      */
     public function budgeted(DateRequest $request, Budget $budget): JsonResponse
     {
-        throw new FireflyException('deprecated use of thing.');
         $data      = $request->getAll();
         $result    = $this->repository->budgetedInPeriodForBudget($budget, $data['start'], $data['end']);
         $converted = $this->cerSum(array_values($result));
@@ -76,7 +79,6 @@ class ShowController extends Controller
      */
     public function spent(DateRequest $request, Budget $budget): JsonResponse
     {
-        throw new FireflyException('deprecated use of thing.');
         $data      = $request->getAll();
         $result    = $this->repository->spentInPeriodForBudget($budget, $data['start'], $data['end']);
         $converted = $this->cerSum(array_values($result));
diff --git a/app/Api/V2/Controllers/Model/Budget/SumController.php b/app/Api/V2/Controllers/Model/Budget/SumController.php
index e9e178dd7c..394ee1bc00 100644
--- a/app/Api/V2/Controllers/Model/Budget/SumController.php
+++ b/app/Api/V2/Controllers/Model/Budget/SumController.php
@@ -28,6 +28,7 @@ use FireflyIII\Api\V2\Controllers\Controller;
 use FireflyIII\Api\V2\Request\Generic\DateRequest;
 use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
+use FireflyIII\Support\Http\Api\ConvertsExchangeRates;
 use Illuminate\Http\JsonResponse;
 
 /**
@@ -35,6 +36,8 @@ use Illuminate\Http\JsonResponse;
  */
 class SumController extends Controller
 {
+    use ConvertsExchangeRates;
+
     private BudgetRepositoryInterface $repository;
 
     /**
@@ -62,7 +65,6 @@ class SumController extends Controller
      */
     public function budgeted(DateRequest $request): JsonResponse
     {
-        throw new FireflyException('deprecated use of thing.');
         $data      = $request->getAll();
         $result    = $this->repository->budgetedInPeriod($data['start'], $data['end']);
         $converted = $this->cerSum(array_values($result));
@@ -80,7 +82,6 @@ class SumController extends Controller
      */
     public function spent(DateRequest $request): JsonResponse
     {
-        throw new FireflyException('deprecated use of thing.');
         $data      = $request->getAll();
         $result    = $this->repository->spentInPeriod($data['start'], $data['end']);
         $converted = $this->cerSum(array_values($result));
diff --git a/app/Support/Http/Api/ConvertsExchangeRates.php b/app/Support/Http/Api/ConvertsExchangeRates.php
index b8372bc44a..6e0f2bfd77 100644
--- a/app/Support/Http/Api/ConvertsExchangeRates.php
+++ b/app/Support/Http/Api/ConvertsExchangeRates.php
@@ -115,7 +115,6 @@ trait ConvertsExchangeRates
      */
     public function cerSum(array $entries): array
     {
-        throw new FireflyException('do not use me, needs refactor');
         if (null === $this->enabled) {
             $this->getPreference();
         }