diff --git a/packages/mdc-tab/adapter.js b/packages/mdc-tab/adapter.js
index 32b89cec0dc..3ee5b6caa6f 100644
--- a/packages/mdc-tab/adapter.js
+++ b/packages/mdc-tab/adapter.js
@@ -96,11 +96,6 @@ class MDCTabAdapter {
    */
   notifyInteracted() {}
 
-  /**
-   * Emits the MDCTab:activated event for use by parent components
-   */
-  notifyActivated() {}
-
   /**
    * Returns the offsetLeft value of the root element.
    * @return {number}