--- a/node_modules/ionic-angular/components/content/content.js
+++ b/node_modules/ionic-angular/components/content/content.js
@@ -136,29 +136,25 @@
         this._imgReqBfr = config.getNumber('imgRequestBuffer', 1400);
         this._imgRndBfr = config.getNumber('imgRenderBuffer', 400);
         this._imgVelMax = config.getNumber('imgVelocityMax', 3);
+        this._scroll = new ScrollView(_plt, _dom);
         if (viewCtrl) {
             // content has a view controller
             viewCtrl._setIONContent(this);
             viewCtrl._setIONContentRef(elementRef);
-            var readSub = viewCtrl.readReady.subscribe(function () {
-                readSub.unsubscribe();
+            this.viewCtrlReadSub = viewCtrl.readReady.subscribe(function () {
+                _this.viewCtrlReadSub.unsubscribe();
                 _this._readDimensions();
             });
-            var writeSub = viewCtrl.writeReady.subscribe(function () {
-                writeSub.unsubscribe();
+            this.viewCtrlWriteSub = viewCtrl.writeReady.subscribe(function () {
+                _this.viewCtrlWriteSub.unsubscribe();
                 _this._writeDimensions();
             });
         }
         else {
             // content does not have a view controller
-            _dom.read(function () {
-                _this._readDimensions();
-            });
-            _dom.write(function () {
-                _this._writeDimensions();
-            });
+            _dom.read(this._readDimensions.bind(this));
+            _dom.write(this._writeDimensions().bind(this));
         }
-        this._scroll = new ScrollView(_plt, _dom);
     }
     Object.defineProperty(Content.prototype, "contentHeight", {
         /**
@@ -322,6 +318,9 @@
      */
     Content.prototype.ngOnDestroy = function () {
         this._scLsn && this._scLsn();
+        this._viewCtrlReadSub && this._viewCtrlReadSub.unsubscribe();
+        this._viewCtrlWriteSub && this._viewCtrlWriteSub.unsubscribe();
+        this._viewCtrlReadSub = this._viewCtrlWriteSub = null;
         this._scroll && this._scroll.destroy();
         this._scrollEle = this._fixedEle = this._footerEle = this._scLsn = this._scroll = null;
     };