diff --git a/ext/wiki/main.php b/ext/wiki/main.php
index b3d4469d..bd4e56c8 100644
--- a/ext/wiki/main.php
+++ b/ext/wiki/main.php
@@ -93,7 +93,6 @@ abstract class WikiConfig
     const EMPTY_TAGINFO = "wiki_empty_taginfo";
     const TAG_SHORTWIKIS = "shortwikis_on_tags";
     const ENABLE_REVISIONS = "wiki_revisions";
-    const RETURN_NOT_FOUND = "wiki_return_not_found";
 }
 
 class Wiki extends Extension
@@ -114,7 +113,6 @@ class Wiki extends Extension
         $config->set_default_string(WikiConfig::EMPTY_TAGINFO, "none");
         $config->set_default_bool(WikiConfig::TAG_SHORTWIKIS, false);
         $config->set_default_bool(WikiConfig::ENABLE_REVISIONS, true);
-        $config->set_default_bool(WikiConfig::RETURN_NOT_FOUND, false);
     }
 
     // Add a block to the Board Config / Setup
@@ -125,7 +123,6 @@ class Wiki extends Extension
         $sb->add_longtext_option(WikiConfig::TAG_PAGE_TEMPLATE, "Tag page template: ");
         $sb->add_text_option(WikiConfig::EMPTY_TAGINFO, "Empty list text: ");
         $sb->add_bool_option(WikiConfig::TAG_SHORTWIKIS, "Show shortwiki entry when searching for a single tag: ");
-        $sb->add_bool_option(WikiConfig::RETURN_NOT_FOUND, "<br>Return '404 Not Found' code for wiki pages that don't exist: ");
     }
 
     public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
diff --git a/ext/wiki/theme.php b/ext/wiki/theme.php
index d533fa62..1feb3494 100644
--- a/ext/wiki/theme.php
+++ b/ext/wiki/theme.php
@@ -10,7 +10,7 @@ class WikiTheme extends Themelet
      */
     public function display_page(Page $page, WikiPage $wiki_page, ?WikiPage $nav_page=null)
     {
-        global $config, $user;
+        global $user;
 
         if (is_null($nav_page)) {
             $nav_page = new WikiPage();
@@ -33,7 +33,7 @@ class WikiTheme extends Themelet
             $title_html = $this->tagcategories->getTagHtml($title_html, $tag_category_dict);
         }
 
-        if ($config->get_bool(WikiConfig::RETURN_NOT_FOUND) && !$wiki_page->exists) {
+        if (!$wiki_page->exists) {
             $page->set_code(404);
         }