diff --git a/src/bundle/Templating/Twig/Extension/RichTextConverterExtension.php b/src/bundle/Templating/Twig/Extension/RichTextConverterExtension.php
index babe0997..3e18e295 100644
--- a/src/bundle/Templating/Twig/Extension/RichTextConverterExtension.php
+++ b/src/bundle/Templating/Twig/Extension/RichTextConverterExtension.php
@@ -32,24 +32,6 @@ public function __construct(
     public function getFilters(): array
     {
         return [
-            new TwigFilter(
-                'ez_richtext_to_html5',
-                [$this, 'richTextToHtml5'],
-                [
-                    'is_safe' => ['html'],
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_richtext_to_html5',
-                ]
-            ),
-            new TwigFilter(
-                'ez_richtext_to_html5_edit',
-                [$this, 'richTextToHtml5Edit'],
-                [
-                    'is_safe' => ['html'],
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_richtext_to_html5_edit',
-                ]
-            ),
             new TwigFilter(
                 'ibexa_richtext_to_html5',
                 [$this, 'richTextToHtml5'],
diff --git a/src/bundle/Templating/Twig/Extension/YoutubeIdExtractorExtension.php b/src/bundle/Templating/Twig/Extension/YoutubeIdExtractorExtension.php
index 23e25248..06372b5d 100644
--- a/src/bundle/Templating/Twig/Extension/YoutubeIdExtractorExtension.php
+++ b/src/bundle/Templating/Twig/Extension/YoutubeIdExtractorExtension.php
@@ -26,14 +26,6 @@ public function getFunctions(): array
                 'ibexa_richtext_youtube_extract_id',
                 [$this, 'extractId']
             ),
-            new TwigFunction(
-                'ez_richtext_youtube_extract_id',
-                [$this, 'extractId'],
-                [
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_richtext_youtube_extract_id',
-                ]
-            ),
         ];
     }