diff --git a/config/websockets.php b/config/websockets.php
index 2d52a54..75365fc 100644
--- a/config/websockets.php
+++ b/config/websockets.php
@@ -1,6 +1,5 @@
 <?php
 
-use BeyondCode\LaravelWebSockets\Dashboard\Http\Middleware\Authorize;
 use BeyondCode\LaravelWebSockets\ClientProviders\ConfigClientProvider;
 
 return [
diff --git a/src/LaravelEcho/Http/Controllers/FetchChannel.php b/src/LaravelEcho/Http/Controllers/FetchChannel.php
index 816729f..099fb86 100644
--- a/src/LaravelEcho/Http/Controllers/FetchChannel.php
+++ b/src/LaravelEcho/Http/Controllers/FetchChannel.php
@@ -12,7 +12,7 @@ class FetchChannel extends EchoController
         $channel = $this->channelManager->find($request->appId, $request->channelName);
 
         if (is_null($channel)) {
-            throw new HttpException(404, 'Unknown channel "'.$request->channelName.'"');
+            throw new HttpException(404, "Unknown channel `{$request->channelName}`.");
         }
 
         return $channel->toArray();