diff --git a/settings/ajax/excludegroups.php b/settings/ajax/excludegroups.php
deleted file mode 100644
index c3488c5bae7..00000000000
--- a/settings/ajax/excludegroups.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-OC_JSON::checkAdminUser();
-OCP\JSON::callCheck();
-
-$selectedGroups = isset($_POST["selectedGroups"]) ? json_decode($_POST["selectedGroups"]) : array();
-$changedGroup = isset($_POST["changedGroup"]) ? $_POST["changedGroup"] : '';
-
-if ($changedGroup !== '') {
-	if(($key = array_search($changedGroup, $selectedGroups)) !== false) {
-		unset($selectedGroups[$key]);
-	} else {
-		$selectedGroups[] = $changedGroup;
-	}
-} else {
-	\OCP\Util::writeLog('core', 'Can not update list of excluded groups from sharing, parameter missing', \OCP\Util::WARN);
-}
-
-\OC_Appconfig::setValue('core', 'shareapi_exclude_groups_list', implode(',', $selectedGroups));