--- a/devtools/client/aboutdebugging/components/addons/Panel.js
+++ b/devtools/client/aboutdebugging/components/addons/Panel.js
@@ -49,16 +49,18 @@ class AddonsPanel extends Component {
 
     this.updateDebugStatus = this.updateDebugStatus.bind(this);
     this.updateShowSystemStatus = this.updateShowSystemStatus.bind(this);
     this.updateAddonsList = this.updateAddonsList.bind(this);
     this.onInstalled = this.onInstalled.bind(this);
     this.onUninstalled = this.onUninstalled.bind(this);
     this.onEnabled = this.onEnabled.bind(this);
     this.onDisabled = this.onDisabled.bind(this);
+    this.onUninstalling = this.onUninstalling.bind(this);
+    this.onOperationCancelled = this.onOperationCancelled.bind(this);
   }
 
   componentDidMount() {
     AddonManager.addAddonListener(this);
     // Listen to startup since that's when errors and warnings
     // get populated on the extension.
     Management.on("startup", this.updateAddonsList);
 
@@ -147,16 +149,30 @@ class AddonsPanel extends Component {
 
   /**
    * Mandatory callback as AddonManager listener.
    */
   onDisabled() {
     this.updateAddonsList();
   }
 
+  /**
+   * Mandatory callback as AddonManager listener.
+   */
+  onUninstalling() {
+    this.updateAddonsList();
+  }
+
+  /**
+   * Mandatory callback as AddonManager listener.
+   */
+  onOperationCancelled() {
+    this.updateAddonsList();
+  }
+
   render() {
     const { client, connect, id } = this.props;
     const { debugDisabled, extensions: targets, showSystemAddons } = this.state;
     const installedName = Strings.GetStringFromName("extensions");
     const temporaryName = Strings.GetStringFromName("temporaryExtensions");
     const systemName = Strings.GetStringFromName("systemExtensions");
     const targetClass = AddonTarget;