diff --git a/lib/graph3d/DataGroup.js b/lib/graph3d/DataGroup.js
index 6b2093b6..83823085 100644
--- a/lib/graph3d/DataGroup.js
+++ b/lib/graph3d/DataGroup.js
@@ -293,14 +293,4 @@ DataGroup.prototype.getDataSet = function() {
 };
 
 
-/**
- * Reload the data
- */
-DataGroup.prototype.reload = function() {
-  if (this.dataTable) {
-    this.setData(this.dataTable);
-  }
-};
-
-
 module.exports = DataGroup;
diff --git a/lib/graph3d/Graph3d.js b/lib/graph3d/Graph3d.js
index eb4d61a6..40b1ea7e 100755
--- a/lib/graph3d/Graph3d.js
+++ b/lib/graph3d/Graph3d.js
@@ -171,9 +171,7 @@ function Graph3d(container, data, options) {
   this.setOptions(options);
 
   // apply data
-  if (data) {
-    this.setData(data);
-  }
+  this.setData(data);
 }
 
 // Extend Graph3d with an Emitter mixin
@@ -677,6 +675,8 @@ Graph3d.prototype._readData = function(data) {
  * @param {Array | DataSet | DataView} data
  */
 Graph3d.prototype.setData = function (data) {
+  if (data === undefined || data === null) return;
+
   this._readData(data);
   this.redraw();
 
@@ -701,8 +701,7 @@ Graph3d.prototype.setOptions = function (options) {
   this.setPointDrawingMethod();
   this._setSize(this.width, this.height);
 
-  // re-load the data
-  this.dataGroup.reload();
+  this.setData(this.dataGroup.getDataTable());
 
   // start animation when option is true
   if (this.animationAutoStart && this.dataFilter) {