tweak

src/chart/helper/Symbol.js

@@ -255,13 +255,6 @@ define(function (require) {
         var useNameLabel = seriesScope && seriesScope.useNameLabel;
         var valueDim = !useNameLabel && labelHelper.findLabelValueDim(data);
 
-        // labelHelper.setTextToStyle(
-        //     data, idx, valueDim, elStyle, seriesModel, labelModel, color
-        // );
-        // labelHelper.setTextToStyle(
-        //     data, idx, valueDim, hoverItemStyle, seriesModel, hoverLabelModel, color
-        // );
-
         if (useNameLabel || valueDim != null) {
             graphic.setLabelStyle(
                 elStyle, hoverItemStyle, labelModel, hoverLabelModel,

src/chart/helper/labelHelper.js

@@ -4,7 +4,6 @@
 define(function (require) {
 
     var modelUtil = require('../../util/model');
-    var zrUtil = require('zrender/core/util');
 
     var helper = {};
 
@@ -29,22 +28,5 @@ define(function (require) {
         return valueDim;
     };
 
-    helper.setTextToStyle = function (
-        data, dataIndex, valueDim, elStyle, seriesModel, labelModel, color
-    ) {
-        if (valueDim != null && labelModel.getShallow('show')) {
-            graphic.setText(elStyle, labelModel, color);
-            elStyle.text = zrUtil.retrieve(
-                seriesModel.getFormattedLabel(dataIndex, 'normal'),
-                valueDim === 'ecDataItemName'
-                    ? data.getName(dataIndex)
-                    : data.get(valueDim, dataIndex)
-            );
-        }
-        else {
-            elStyle.text = '';
-        }
-    };
-
     return helper;
 });
\ No newline at end of file