diff --git a/ionic/config/component.js b/ionic/config/component.js
index da79cbf071..60fdf9a47e 100644
--- a/ionic/config/component.js
+++ b/ionic/config/component.js
@@ -70,7 +70,7 @@ export class IonicComponent {
     //}
 
     // Add the base element classes (ex, button and button-ios)
-    dom.addClasses(instance.domElement, this.componentCssName, `${this.componentCssName}-${platformMode}`);
+    dom.addClass(instance.domElement, this.componentCssName, `${this.componentCssName}-${platformMode}`);
 
     // Check and apply and property classes (properties that should be
     // converted to class names). For example, <button primary> should
diff --git a/ionic/util/render/dom.js b/ionic/util/render/dom.js
index a2cacf40a3..6819d6194b 100644
--- a/ionic/util/render/dom.js
+++ b/ionic/util/render/dom.js
@@ -7,18 +7,15 @@ export class DomRenderedElement extends RenderedElement {
     super(domElement)
   }
 
-  addClass(className) {
-    this.element.classList.add(classList);
-  }
   removeClass(className) {
     this.element.classList.remove(classList);
   }
-  addClasses(...classNames) {
+  addClass(...classNames) {
     for(let c of classNames) {
       this.element.classList.add(c);
     }
   }
-  removeClasses(...classNames) {
+  removeClass(...classNames) {
     for(let c of classes) {
       this.element.classList.remove(c);
     }
diff --git a/ionic/util/render/element.js b/ionic/util/render/element.js
index a997b21405..81fb308e3b 100644
--- a/ionic/util/render/element.js
+++ b/ionic/util/render/element.js
@@ -7,9 +7,8 @@ export class RenderedElement {
   _notImplemented(fnName) {
     console.error("RenderedElement." + fnName + "addClass is not implemented. Use a concrete class like DomRenderedElement instead.");
   }
-  addClass(className)       { this._notImplemented('addClass'); }
+  addClass(...classNames)       { this._notImplemented('addClass'); }
   removeClass(className)    { this._notImplemented('removeClass'); }
-  addClasses(...classNames)     { this._notImplemented('addClasses'); }
   removeClasses(...classNames)  { this._notImplemented('removeClasses'); }
 }