diff --git a/resources/mmv/logging/mmv.logging.AttributionLogger.js b/resources/mmv/logging/mmv.logging.AttributionLogger.js
index 45888f1a8..4c0ac0dd5 100644
--- a/resources/mmv/logging/mmv.logging.AttributionLogger.js
+++ b/resources/mmv/logging/mmv.logging.AttributionLogger.js
@@ -24,9 +24,7 @@
 	 * @extends mw.mmv.logging.Logger
 	 * @constructor
 	 */
-	function AttributionLogger() {
-		this.starts = {};
-	}
+	function AttributionLogger() {}
 
 	oo.inheritClass( AttributionLogger, mw.mmv.logging.Logger );