diff --git a/apps/user_ldap/group_ldap.php b/apps/user_ldap/group_ldap.php
index b8ca041bce..0d3a70575b 100644
--- a/apps/user_ldap/group_ldap.php
+++ b/apps/user_ldap/group_ldap.php
@@ -29,11 +29,6 @@ use OCA\user_ldap\lib\BackendUtility;
 class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
 	protected $enabled = false;
 
-	/**
-	 * @var string[] $cachedGroupMembers array of users with gid as key
-	 */
-	protected $cachedGroupMembers = array();
-
 	public function __construct(Access $access) {
 		parent::__construct($access);
 		$filter = $this->access->connection->ldapGroupFilter;
@@ -61,21 +56,6 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
 		}
 
 		$userDN = $this->access->username2dn($uid);
-
-		if(isset($this->cachedGroupMembers[$gid])) {
-			$isInGroup = in_array($userDN, $this->cachedGroupMembers[$gid]);
-			return $isInGroup;
-		}
-
-		$cacheKeyMembers = 'inGroup-members:'.$gid;
-		if($this->access->connection->isCached($cacheKeyMembers)) {
-			$members = $this->access->connection->getFromCache($cacheKeyMembers);
-			$this->cachedGroupMembers[$gid] = $members;
-			$isInGroup = in_array($userDN, $members);
-			$this->access->connection->writeToCache($cacheKey, $isInGroup);
-			return $isInGroup;
-		}
-
 		$groupDN = $this->access->groupname2dn($gid);
 		// just in case
 		if(!$groupDN || !$userDN) {
@@ -90,9 +70,8 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
 		}
 
 		//usually, LDAP attributes are said to be case insensitive. But there are exceptions of course.
-		$members = $this->_groupMembers($groupDN);
-		$members = array_keys($members); // uids are returned as keys
-		if(!is_array($members) || count($members) === 0) {
+		$members = array_keys($this->_groupMembers($groupDN));
+		if(!$members) {
 			$this->access->connection->writeToCache($cacheKey, false);
 			return false;
 		}
@@ -114,8 +93,6 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
 
 		$isInGroup = in_array($userDN, $members);
 		$this->access->connection->writeToCache($cacheKey, $isInGroup);
-		$this->access->connection->writeToCache($cacheKeyMembers, $members);
-		$this->cachedGroupMembers[$gid] = $members;
 
 		return $isInGroup;
 	}