diff --git a/src/addons/sliders/js/intervalslider/intervalslider.js b/src/addons/sliders/js/intervalslider/intervalslider.js
index ef6c980ae..9b781ffa0 100644
--- a/src/addons/sliders/js/intervalslider/intervalslider.js
+++ b/src/addons/sliders/js/intervalslider/intervalslider.js
@@ -6,7 +6,6 @@ BI.IntervalSlider = BI.inherit(BI.Widget, {
         EDITOR_WIDTH: 58,
         EDITOR_R_GAP: 60,
         EDITOR_HEIGHT: 30,
-        HEIGHT: 28,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
         SLIDER_HEIGHT: 30,
@@ -51,7 +50,6 @@ BI.IntervalSlider = BI.inherit(BI.Widget, {
             cls: "slider-editor-button",
             errorText: "",
             allowBlank: false,
-            height: c.HEIGHT,
             width: c.EDITOR_WIDTH,
             validationChecker: function (v) {
                 return self._checkValidation(v);
@@ -78,7 +76,6 @@ BI.IntervalSlider = BI.inherit(BI.Widget, {
             cls: "slider-editor-button",
             errorText: "",
             allowBlank: false,
-            height: c.HEIGHT,
             width: c.EDITOR_WIDTH,
             validationChecker: function (v) {
                 return self._checkValidation(v);
@@ -122,6 +119,10 @@ BI.IntervalSlider = BI.inherit(BI.Widget, {
                 var significantPercent = BI.parseFloat(percent.toFixed(1));
                 self._setSliderOnePosition(significantPercent);
                 self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+                ui.helper.removeClass("dragging");
+            },
+            start: function (e, ui) {
+                ui.helper.removeClass("dragging").addClass("dragging");
             }
         });
 
diff --git a/src/addons/sliders/js/singleslider/singleslider.js b/src/addons/sliders/js/singleslider/singleslider.js
index e742d4ff9..b27992469 100644
--- a/src/addons/sliders/js/singleslider/singleslider.js
+++ b/src/addons/sliders/js/singleslider/singleslider.js
@@ -5,7 +5,6 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
     _constant: {
         EDITOR_WIDTH: 90,
         EDITOR_HEIGHT: 30,
-        HEIGHT: 28,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
         SLIDER_HEIGHT: 30,
@@ -98,7 +97,6 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
             type: "bi.sign_editor",
             cls: "slider-editor-button",
             errorText: "",
-            height: c.HEIGHT,
             width: c.EDITOR_WIDTH - 2,
             allowBlank: false,
             validationChecker: function (v) {