diff --git a/src/widget/multilayersingletree/multilayersingletree.combo.js b/src/widget/multilayersingletree/multilayersingletree.combo.js
index cdc9dad91..066105da7 100644
--- a/src/widget/multilayersingletree/multilayersingletree.combo.js
+++ b/src/widget/multilayersingletree/multilayersingletree.combo.js
@@ -20,7 +20,6 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
             allowSearchValue: false,
             allowInsertValue: false,
             isNeedAdjustWidth: true,
-            valueFormatter: BI.emptyFn,
         });
     },