diff --git a/ui/dialogs/dialogs.android.ts b/ui/dialogs/dialogs.android.ts
index 893844ae7..8e1b52a35 100644
--- a/ui/dialogs/dialogs.android.ts
+++ b/ui/dialogs/dialogs.android.ts
@@ -12,8 +12,8 @@ function createAlertDialog(options: dialogs.DialogOptions): android.app.AlertDia
     return alert;
 }
 
-export function alert(arg: any): promises.Promise<any> {
-    var d = promises.defer<any>();
+export function alert(arg: any): promises.Promise<void> {
+    var d = promises.defer<void>();
     try {
         var options = typeof arg === "string" ? { message: arg, title: "Alert", buttonName: "OK" } : arg
 
diff --git a/ui/dialogs/dialogs.d.ts b/ui/dialogs/dialogs.d.ts
index 161ab8b09..cfa5bdedc 100644
--- a/ui/dialogs/dialogs.d.ts
+++ b/ui/dialogs/dialogs.d.ts
@@ -4,13 +4,13 @@
     * The alert() method displays an alert box with a specified message.
     * @param message Specifies the text to display in the alert box.
     */
-    function alert(message: string): promises.Promise<any>;
+    function alert(message: string): promises.Promise<void>;
 
     /**
     * The alert() method displays an alert box with a specified options.
     * @param options Specifies the options for the alert box.
     */
-    function alert(options: AlertOptions): promises.Promise<any>;
+    function alert(options: AlertOptions): promises.Promise<void>;
 
     /**
     * The confirm() method displays a dialog box with a specified message.
diff --git a/ui/dialogs/dialogs.ios.ts b/ui/dialogs/dialogs.ios.ts
index b9d669186..cd68a3240 100644
--- a/ui/dialogs/dialogs.ios.ts
+++ b/ui/dialogs/dialogs.ios.ts
@@ -29,8 +29,8 @@ function createDelegate(callback) {
     return new delegateType;
 }
 
-export function alert(arg: any): promises.Promise<any> {
-    var d = promises.defer<any>();
+export function alert(arg: any): promises.Promise<void> {
+    var d = promises.defer<void>();
     try {
         var options = typeof arg === STRING ? { message: arg, title: ALERT, buttonName: OK } : arg