diff --git a/airtime_mvc/application/configs/constants.php b/airtime_mvc/application/configs/constants.php
index 0f5e4a07c..ceedf7f3f 100644
--- a/airtime_mvc/application/configs/constants.php
+++ b/airtime_mvc/application/configs/constants.php
@@ -4,9 +4,6 @@ define('AIRTIME_VERSION', '1.9.0-beta2');
 define('AIRTIME_COPYRIGHT_DATE', '2010-2011');
 define('AIRTIME_REST_VERSION', '1.1');
 
-// this constant is still used in somewhere
-define('UI_MDATA_KEY_TITLE', 'track_title');
-
 // Metadata Keys for files
 define('MDATA_KEY_FILEPATH', 'filepath');
 define('MDATA_KEY_MD5', 'md5');
diff --git a/airtime_mvc/application/controllers/ApiController.php b/airtime_mvc/application/controllers/ApiController.php
index 8e759b202..16eb0fb09 100644
--- a/airtime_mvc/application/controllers/ApiController.php
+++ b/airtime_mvc/application/controllers/ApiController.php
@@ -356,7 +356,7 @@ class ApiController extends Zend_Controller_Action
 		$tmpTitle = !(empty($show_name))?$show_name."-":"";
 		$tmpTitle .= $file->getName();
 
-		$file->setMetadataValue(UI_MDATA_KEY_TITLE, $tmpTitle);
+		$file->setMetadataValue(MDATA_KEY_TITLE, $tmpTitle);
 
         if (!$showCanceled && Application_Model_Preference::GetDoSoundCloudUpload())
         {
diff --git a/airtime_mvc/application/models/StoredFile.php b/airtime_mvc/application/models/StoredFile.php
index 88ef45fcc..ba1f872aa 100644
--- a/airtime_mvc/application/models/StoredFile.php
+++ b/airtime_mvc/application/models/StoredFile.php
@@ -805,7 +805,7 @@ class StoredFile {
 				die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": ' . $duplicate->getMessage() .'}}');
 			}
             if (file_exists($duplicate->getFilePath())) {
-			    $duplicateName = $duplicate->getMetadataValue(UI_MDATA_KEY_TITLE);
+			    $duplicateName = $duplicate->getMetadataValue(MDATA_KEY_TITLE);
 			    die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "An identical audioclip named ' . $duplicateName . ' already exists in the storage server."}}');
             }
 		}