diff --git a/src/lib/Twig/ContentTaggingExtension.php b/src/lib/Twig/ContentTaggingExtension.php
index 5d8a11e..b21bc1b 100644
--- a/src/lib/Twig/ContentTaggingExtension.php
+++ b/src/lib/Twig/ContentTaggingExtension.php
@@ -37,38 +37,6 @@ public function __construct(ResponseTagger $responseTagger, ContentTagInterface
     public function getFunctions()
     {
         return [
-            new TwigFunction(
-                'ez_http_cache_tag_location',
-                [$this, 'tagHttpCacheForLocation'],
-                [
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_http_cache_tag_location',
-                ]
-            ),
-            new TwigFunction(
-                'ez_http_tag_location',
-                [$this, 'tagHttpCacheForLocation'],
-                [
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_http_cache_tag_location',
-                ]
-            ),
-            new TwigFunction(
-                'ez_http_tag_relation_ids',
-                [$this, 'tagHttpCacheForRelationIds'],
-                [
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_http_cache_tag_relation_ids',
-                ]
-            ),
-            new TwigFunction(
-                'ez_http_tag_relation_location_ids',
-                [$this, 'tagHttpCacheForRelationLocationIds'],
-                [
-                    'deprecated' => '4.0',
-                    'alternative' => 'ibexa_http_cache_tag_relation_location_ids',
-                ]
-            ),
             new TwigFunction(
                 'ibexa_http_cache_tag_location',
                 [$this, 'tagHttpCacheForLocation']