diff --git a/lib/module/hammer.js b/lib/module/hammer.js
index 05ef2956..120e6ef9 100644
--- a/lib/module/hammer.js
+++ b/lib/module/hammer.js
@@ -3,7 +3,9 @@
 if (typeof window !== 'undefined') {
   var propagating = require('propagating-hammerjs');
   var Hammer = window['Hammer'] || require('hammerjs');
-  module.exports = propagating(Hammer);
+  module.exports = propagating(Hammer, {
+    preventDefault: true
+  });
 }
 else {
   module.exports = function () {
diff --git a/lib/timeline/Range.js b/lib/timeline/Range.js
index 758a6849..38982d72 100644
--- a/lib/timeline/Range.js
+++ b/lib/timeline/Range.js
@@ -368,8 +368,6 @@ Range.prototype._onDragStart = function(event) {
   if (this.body.dom.root) {
     this.body.dom.root.style.cursor = 'move';
   }
-
-  event.preventDefault();
 };
 
 /**
@@ -421,8 +419,6 @@ Range.prototype._onDrag = function (event) {
     end:   new Date(this.end),
     byUser: true
   });
-
-  event.preventDefault();
 };
 
 /**
@@ -565,8 +561,6 @@ Range.prototype._onPinch = function (event) {
 
   this.startToFront = false; // revert to default
   this.endToFront = true; // revert to default
-
-  event.preventDefault();
 };
 
 /**
diff --git a/lib/timeline/component/CustomTime.js b/lib/timeline/component/CustomTime.js
index f6292165..aec7777b 100644
--- a/lib/timeline/component/CustomTime.js
+++ b/lib/timeline/component/CustomTime.js
@@ -83,9 +83,10 @@ CustomTime.prototype._create = function() {
   this.hammer.on('panstart', this._onDragStart.bind(this));
   this.hammer.on('panmove',  this._onDrag.bind(this));
   this.hammer.on('panend',   this._onDragEnd.bind(this));
-  this.hammer.on('pan',   function (event) {
-    event.preventDefault();
-  });
+  // TODO: cleanup
+  //this.hammer.on('pan',   function (event) {
+  //  event.preventDefault();
+  //});
 };
 
 /**
@@ -162,7 +163,6 @@ CustomTime.prototype._onDragStart = function(event) {
   this.eventParams.customTime = this.customTime;
 
   event.stopPropagation();
-  event.preventDefault();
 };
 
 /**
@@ -185,7 +185,6 @@ CustomTime.prototype._onDrag = function (event) {
   });
 
   event.stopPropagation();
-  event.preventDefault();
 };
 
 /**
@@ -203,7 +202,6 @@ CustomTime.prototype._onDragEnd = function (event) {
   });
 
   event.stopPropagation();
-  event.preventDefault();
 };
 
 module.exports = CustomTime;
diff --git a/lib/timeline/component/ItemSet.js b/lib/timeline/component/ItemSet.js
index 7c643c98..afdcf090 100644
--- a/lib/timeline/component/ItemSet.js
+++ b/lib/timeline/component/ItemSet.js
@@ -1167,7 +1167,6 @@ ItemSet.prototype._onDragStart = function (event) {
     }
 
     event.stopPropagation();
-    event.preventDefault();
   }
 };
 
@@ -1177,8 +1176,6 @@ ItemSet.prototype._onDragStart = function (event) {
  * @private
  */
 ItemSet.prototype._onDrag = function (event) {
-  event.preventDefault();
-
   if (this.touchParams.itemProps) {
     var me = this;
     var snap = this.options.snap || null;
diff --git a/lib/timeline/component/item/Item.js b/lib/timeline/component/item/Item.js
index d1819498..9b1e327e 100644
--- a/lib/timeline/component/item/Item.js
+++ b/lib/timeline/component/item/Item.js
@@ -141,7 +141,6 @@ Item.prototype._repaintDeleteButton = function (anchor) {
     new Hammer(deleteButton).on('tap', function (event) {
       me.parent.removeFromDataSet(me);
       event.stopPropagation();
-      event.preventDefault();
     });
 
     anchor.appendChild(deleteButton);
diff --git a/lib/timeline/component/item/RangeItem.js b/lib/timeline/component/item/RangeItem.js
index 61696124..c04c3765 100644
--- a/lib/timeline/component/item/RangeItem.js
+++ b/lib/timeline/component/item/RangeItem.js
@@ -249,13 +249,6 @@ RangeItem.prototype._repaintDragLeft = function () {
     dragLeft.className = 'drag-left';
     dragLeft.dragLeftItem = this;
 
-    //// TODO: this should be redundant?
-    //Hammer(dragLeft, {
-    //  preventDefault: true
-    //}).on('drag', function () {
-    //      //console.log('drag left')
-    //    });
-
     this.dom.box.appendChild(dragLeft);
     this.dom.dragLeft = dragLeft;
   }
@@ -279,13 +272,6 @@ RangeItem.prototype._repaintDragRight = function () {
     dragRight.className = 'drag-right';
     dragRight.dragRightItem = this;
 
-    //// TODO: this should be redundant?
-    //Hammer(dragRight, {
-    //  preventDefault: true
-    //}).on('drag', function () {
-    //  //console.log('drag right')
-    //});
-
     this.dom.box.appendChild(dragRight);
     this.dom.dragRight = dragRight;
   }
diff --git a/package.json b/package.json
index 39dbf275..f84210b1 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "hammerjs": "^2.0.4",
     "keycharm": "^0.2.0",
     "moment": "^2.9.0",
-    "propagating-hammerjs": "^1.2.0"
+    "propagating-hammerjs": "^1.3.0"
   },
   "devDependencies": {
     "6to5": "^3.5.3",