diff --git a/webservice/classes/atompub/cmis/VersioningService.inc.php b/webservice/classes/atompub/cmis/VersioningService.inc.php
deleted file mode 100644
index 4716cb0..0000000
--- a/webservice/classes/atompub/cmis/VersioningService.inc.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-require_once KT_LIB_DIR . '/api/ktcmis/ktVersioningService.inc.php';
-
-/**
- * CMIS Service class which hooks into the KnowledgeTree interface
- * for processing of CMIS queries and responses via atompub/webservices
- */
-
-class VersioningService extends KTVersioningService {
-    
-    /**
-     * Deletes all Document Objects in the specified Version Series, including the Private Working Copy
-     * 
-     * @param string $repositoryId
-     * @param string $versionSeriesId
-     * @return boolean true if successful
-     */
-    public function deleteAllVersions($repositoryId, $versionSeriesId)
-    {
-        $result = parent::deleteAllVersions($repositoryId, $versionSeriesId);
-
-        if ($result['status_code'] == 0) {
-            return $result['results'];
-        }
-        else {
-            return new PEAR_Error($result['message']);
-        }
-    }
-
-}
-
-?>