diff --git a/src/Core/Theme.php b/src/Core/Theme.php
index 3548544e9..334f31a6e 100644
--- a/src/Core/Theme.php
+++ b/src/Core/Theme.php
@@ -158,6 +158,8 @@ class Theme
 			if (function_exists($func)) {
 				$func();
 			}
+
+			Hook::delete(['file' => "view/theme/$theme/theme.php"]);
 		}
 
 		$allowed_themes = Theme::getAllowedList();
diff --git a/view/theme/frio/theme.php b/view/theme/frio/theme.php
index fd6927835..8b49d9c30 100644
--- a/view/theme/frio/theme.php
+++ b/view/theme/frio/theme.php
@@ -54,18 +54,6 @@ function frio_install()
 	Logger::log('installed theme frio');
 }
 
-function frio_uninstall()
-{
-	Hook::unregister('prepare_body_final', 'view/theme/frio/theme.php', 'frio_item_photo_links');
-	Hook::unregister('item_photo_menu', 'view/theme/frio/theme.php', 'frio_item_photo_menu');
-	Hook::unregister('contact_photo_menu', 'view/theme/frio/theme.php', 'frio_contact_photo_menu');
-	Hook::unregister('nav_info', 'view/theme/frio/theme.php', 'frio_remote_nav');
-	Hook::unregister('acl_lookup_end', 'view/theme/frio/theme.php', 'frio_acl_lookup');
-	Hook::unregister('display_item', 'view/theme/frio/theme.php', 'frio_display_item');
-
-	Logger::log('uninstalled theme frio');
-}
-
 /**
  * Replace friendica photo links hook
  *