diff --git a/app/Generator/Chart/Budget/BudgetChartGeneratorInterface.php b/app/Generator/Chart/Budget/BudgetChartGeneratorInterface.php
deleted file mode 100644
index 1abaa89746..0000000000
--- a/app/Generator/Chart/Budget/BudgetChartGeneratorInterface.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-/**
- * BudgetChartGeneratorInterface.php
- * Copyright (C) 2016 thegrumpydictator@gmail.com
- *
- * This software may be modified and distributed under the terms of the
- * Creative Commons Attribution-ShareAlike 4.0 International License.
- *
- * See the LICENSE file for details.
- */
-
-declare(strict_types = 1);
-
-namespace FireflyIII\Generator\Chart\Budget;
-
-use Illuminate\Support\Collection;
-
-/**
- * Interface BudgetChartGeneratorInterface
- *
- * @package FireflyIII\Generator\Chart\Budget
- */
-interface BudgetChartGeneratorInterface
-{
-
-    /**
-     * @param Collection $entries
-     * @param string     $dateFormat
-     *
-     * @return array
-     */
-    public function budgetLimit(Collection $entries, string $dateFormat): array;
-
-    /**
-     * @param Collection $entries
-     *
-     * @return array
-     */
-    public function frontpage(Collection $entries): array;
-
-    /**
-     * @param array $entries
-     *
-     * @return array
-     */
-    public function period(array $entries): array;
-
-    /**
-     * @param array $entries
-     *
-     * @return array
-     */
-    public function periodNoBudget(array $entries): array;
-}
diff --git a/app/Generator/Chart/Budget/ChartJsBudgetChartGenerator.php b/app/Generator/Chart/Budget/ChartJsBudgetChartGenerator.php
deleted file mode 100644
index bec7872b28..0000000000
--- a/app/Generator/Chart/Budget/ChartJsBudgetChartGenerator.php
+++ /dev/null
@@ -1,164 +0,0 @@
-<?php
-/**
- * ChartJsBudgetChartGenerator.php
- * Copyright (C) 2016 thegrumpydictator@gmail.com
- *
- * This software may be modified and distributed under the terms of the
- * Creative Commons Attribution-ShareAlike 4.0 International License.
- *
- * See the LICENSE file for details.
- */
-
-declare(strict_types = 1);
-namespace FireflyIII\Generator\Chart\Budget;
-
-
-use Illuminate\Support\Collection;
-
-/**
- * Class ChartJsBudgetChartGenerator
- *
- * @package FireflyIII\Generator\Chart\Budget
- */
-class ChartJsBudgetChartGenerator implements BudgetChartGeneratorInterface
-{
-    /**
-     *
-     * @param Collection $entries
-     * @param string     $dateFormat
-     *
-     * @return array
-     */
-    public function budgetLimit(Collection $entries, string $dateFormat = 'month_and_day'): array
-    {
-        $format = strval(trans('config.' . $dateFormat));
-        $data   = [
-            'labels'   => [],
-            'datasets' => [
-                [
-                    'label' => 'Amount',
-                    'data'  => [],
-                ],
-            ],
-        ];
-
-        /** @var array $entry */
-        foreach ($entries as $entry) {
-            $data['labels'][]              = $entry[0]->formatLocalized($format);
-            $data['datasets'][0]['data'][] = $entry[1];
-
-        }
-
-        $data['count'] = count($data['datasets']);
-
-        return $data;
-    }
-
-    /**
-     * @param Collection $entries
-     *
-     * @return array
-     */
-    public function frontpage(Collection $entries): array
-    {
-        $data      = [
-            'count'    => 0,
-            'labels'   => [],
-            'datasets' => [],
-        ];
-        $left      = [];
-        $spent     = [];
-        $overspent = [];
-        $filtered  = $entries->filter(
-            function ($entry) {
-                return ($entry[1] != 0 || $entry[2] != 0 || $entry[3] != 0);
-            }
-        );
-        foreach ($filtered as $entry) {
-            $data['labels'][] = $entry[0];
-            $left[]           = round($entry[1], 2);
-            $spent[]          = round(bcmul($entry[2], '-1'), 2); // spent is coming in negative, must be positive
-            $overspent[]      = round(bcmul($entry[3], '-1'), 2); // same
-        }
-
-        $data['datasets'][] = [
-            'label' => trans('firefly.overspent'),
-            'data'  => $overspent,
-        ];
-        $data['datasets'][] = [
-            'label' => trans('firefly.left'),
-            'data'  => $left,
-        ];
-        $data['datasets'][] = [
-            'label' => trans('firefly.spent'),
-            'data'  => $spent,
-        ];
-
-        $data['count'] = 3;
-
-        return $data;
-    }
-
-    /**
-     * @param array $entries
-     *
-     * @return array
-     */
-    public function period(array $entries): array
-    {
-
-        $data = [
-            'labels'   => array_keys($entries),
-            'datasets' => [
-                0 => [
-                    'label' => trans('firefly.budgeted'),
-                    'data'  => [],
-                ],
-                1 => [
-                    'label' => trans('firefly.spent'),
-                    'data'  => [],
-                ],
-            ],
-            'count'    => 2,
-        ];
-
-        foreach ($entries as $label => $entry) {
-            // data set 0 is budgeted
-            // data set 1 is spent:
-            $data['datasets'][0]['data'][] = $entry['budgeted'];
-            $data['datasets'][1]['data'][] = round(($entry['spent'] * -1), 2);
-
-        }
-
-        return $data;
-
-    }
-
-    /**
-     * @param array $entries
-     *
-     * @return array
-     */
-    public function periodNoBudget(array $entries): array
-    {
-        $data = [
-            'labels'   => array_keys($entries),
-            'datasets' => [
-                0 => [
-                    'label' => trans('firefly.spent'),
-                    'data'  => [],
-                ],
-            ],
-            'count'    => 1,
-        ];
-
-        foreach ($entries as $label => $entry) {
-            // data set 0 is budgeted
-            // data set 1 is spent:
-            $data['datasets'][0]['data'][] = round(($entry['spent'] * -1), 2);
-
-        }
-
-        return $data;
-    }
-}
diff --git a/app/Http/Controllers/Chart/BudgetController.php b/app/Http/Controllers/Chart/BudgetController.php
index 3dc6b43620..b17bac12fe 100644
--- a/app/Http/Controllers/Chart/BudgetController.php
+++ b/app/Http/Controllers/Chart/BudgetController.php
@@ -15,7 +15,6 @@ namespace FireflyIII\Http\Controllers\Chart;
 
 use Carbon\Carbon;
 use FireflyIII\Generator\Chart\Basic\GeneratorInterface;
-use FireflyIII\Generator\Chart\Budget\BudgetChartGeneratorInterface;
 use FireflyIII\Helpers\Collector\JournalCollector;
 use FireflyIII\Http\Controllers\Controller;
 use FireflyIII\Models\Budget;
@@ -37,7 +36,7 @@ use Response;
 class BudgetController extends Controller
 {
 
-    /** @var BudgetChartGeneratorInterface */
+    /** @var GeneratorInterface */
     protected $generator;
 
     /**
@@ -46,8 +45,7 @@ class BudgetController extends Controller
     public function __construct()
     {
         parent::__construct();
-        // create chart generator:
-        $this->generator = app(BudgetChartGeneratorInterface::class);
+        $this->generator = app(GeneratorInterface::class);
     }
 
     /**
@@ -92,9 +90,7 @@ class BudgetController extends Controller
             $first            = Navigation::addPeriod($first, $range, 0);
         }
 
-        /** @var GeneratorInterface $generator */
-        $generator = app(GeneratorInterface::class);
-        $data      = $generator->singleSet(strval(trans('firefly.spent')), $entries);
+        $data = $this->generator->singleSet(strval(trans('firefly.spent')), $entries);
 
         $cache->store($data);
 
@@ -135,9 +131,7 @@ class BudgetController extends Controller
 
             $start->addDay();
         }
-        /** @var GeneratorInterface $generator */
-        $generator = app(GeneratorInterface::class);
-        $data      = $generator->singleSet(strval(trans('firefly.left')), $entries);
+        $data = $this->generator->singleSet(strval(trans('firefly.left')), $entries);
         $cache->store($data);
 
         return Response::json($data);
@@ -216,9 +210,7 @@ class BudgetController extends Controller
             $chartData[2]['entries'][$row['name']] = bcmul($row['repetition_overspent'], '-1');
         }
 
-        /** @var GeneratorInterface $generator */
-        $generator = app(GeneratorInterface::class);
-        $data      = $generator->multiSet($chartData);
+        $data = $this->generator->multiSet($chartData);
         $cache->store($data);
 
         return Response::json($data);
@@ -244,7 +236,7 @@ class BudgetController extends Controller
         $cache->addProperty($budget->id);
         $cache->addProperty('chart.budget.period');
         if ($cache->has()) {
-            //return Response::json($cache->get());
+            return Response::json($cache->get());
         }
 
         // get the expenses
@@ -297,9 +289,7 @@ class BudgetController extends Controller
             $chartData[1]['entries'][$label] = $limit;
 
         }
-        /** @var GeneratorInterface $generator */
-        $generator = app(GeneratorInterface::class);
-        $data      = $generator->multiSet($chartData);
+        $data = $this->generator->multiSet($chartData);
         $cache->store($data);
 
         return Response::json($data);
@@ -322,7 +312,7 @@ class BudgetController extends Controller
         $cache->addProperty($accounts);
         $cache->addProperty('chart.budget.no-budget');
         if ($cache->has()) {
-            // return Response::json($cache->get());
+            return Response::json($cache->get());
         }
 
         // the expenses:
@@ -336,9 +326,7 @@ class BudgetController extends Controller
             $spent             = isset($entries['entries'][$period]) ? $entries['entries'][$period] : '0';
             $chartData[$label] = bcmul($spent, '-1');
         }
-        /** @var GeneratorInterface $generator */
-        $generator = app(GeneratorInterface::class);
-        $data      = $generator->singleSet(strval(trans('firefly.spent')), $chartData);
+        $data = $this->generator->singleSet(strval(trans('firefly.spent')), $chartData);
         $cache->store($data);
 
         return Response::json($data);