diff --git a/src/Controller/Frontend/PublicPages/PodcastFeedAction.php b/src/Controller/Frontend/PublicPages/PodcastFeedAction.php
index 58fc63388..5d372de4a 100644
--- a/src/Controller/Frontend/PublicPages/PodcastFeedAction.php
+++ b/src/Controller/Frontend/PublicPages/PodcastFeedAction.php
@@ -14,8 +14,6 @@ use App\Http\Response;
 use App\Http\ServerRequest;
 use App\Xml\Writer;
 use Carbon\CarbonImmutable;
-use DateTime;
-use MarcW\RssWriter\Extension\Core\Channel as RssChannel;
 use Psr\Http\Message\ResponseInterface;
 
 final class PodcastFeedAction implements SingleActionInterface
@@ -38,10 +36,6 @@ final class PodcastFeedAction implements SingleActionInterface
 
         $podcast = $request->getPodcast();
 
-        $channel = new RssChannel();
-        $channel->setTtl(5);
-        $channel->setLastBuildDate(new DateTime());
-
         // Fetch podcast API feed.
         $podcastApi = $this->podcastApiGenerator->__invoke($podcast, $request);
 
diff --git a/src/Rss/PodcastNamespaceWriter.php b/src/Rss/PodcastNamespaceWriter.php
deleted file mode 100644
index 8ecb027e3..000000000
--- a/src/Rss/PodcastNamespaceWriter.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Rss;
-
-use MarcW\RssWriter\WriterRegistererInterface;
-
-/**
- * Placeholder class to write the Podcast namespace for PSP-1 compliance.
- */
-class PodcastNamespaceWriter implements WriterRegistererInterface
-{
-    public function getRegisteredWriters(): array
-    {
-        return [];
-    }
-
-    public function getRegisteredNamespaces(): array
-    {
-        return [
-            'podcast' => 'https://podcastindex.org/namespace/1.0',
-        ];
-    }
-}