diff --git a/system/src/Grav/Common/Processors/DebuggerAssetsProcessor.php b/system/src/Grav/Common/Processors/DebuggerAssetsProcessor.php
index 5fc152bcb..11a39e894 100644
--- a/system/src/Grav/Common/Processors/DebuggerAssetsProcessor.php
+++ b/system/src/Grav/Common/Processors/DebuggerAssetsProcessor.php
@@ -19,14 +19,8 @@ class DebuggerAssetsProcessor extends ProcessorBase
     public $id = 'debugger_assets';
     public $title = 'Debugger Assets';
 
-    public function process(ServerRequestInterface $request = null, RequestHandlerInterface $handler = null) : ResponseInterface
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface
     {
-        // Backwards compatibility
-        if (is_null($request) && is_null($handler)) {
-            $this->container['debugger']->addAssets();
-            return new Response();
-        }
-
         $this->startTimer();
         $this->container['debugger']->addAssets();
         $this->stopTimer();
diff --git a/system/src/Grav/Common/Processors/RenderProcessor.php b/system/src/Grav/Common/Processors/RenderProcessor.php
index 33ca9066c..06a6c79f3 100644
--- a/system/src/Grav/Common/Processors/RenderProcessor.php
+++ b/system/src/Grav/Common/Processors/RenderProcessor.php
@@ -20,26 +20,8 @@ class RenderProcessor extends ProcessorBase
     public $id = 'render';
     public $title = 'Render';
 
-    public function process(ServerRequestInterface $request = null, RequestHandlerInterface $handler = null) : ResponseInterface
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface
     {
-        // Backwards compatibility
-        if (is_null($request) && is_null($handler)) {
-            $container = $this->container;
-            $output =  $container['output'];
-
-            $container->output = $output;
-            $container->fireEvent('onOutputGenerated');
-
-            // Set the header type
-            $container->header();
-            echo $container->output;
-
-            // remove any output
-            $container->output = '';
-            $this->container->fireEvent('onOutputRendered');
-            return new Response();
-        }
-
         $this->startTimer();
 
         $container = $this->container;