diff --git a/angularjs/angular-cookies.d.ts b/angularjs/angular-cookies.d.ts
index 29d1e5aa5..4dc2e038e 100644
--- a/angularjs/angular-cookies.d.ts
+++ b/angularjs/angular-cookies.d.ts
@@ -9,7 +9,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 // ngCookies module (angular-cookies.js)
 ///////////////////////////////////////////////////////////////////////////////
-module ng.cookies {
+declare module ng.cookies {
 
     ///////////////////////////////////////////////////////////////////////////
     // CookieService
diff --git a/angularjs/angular-sanitize.d.ts b/angularjs/angular-sanitize.d.ts
index 9b7e68194..56a3bc2ae 100644
--- a/angularjs/angular-sanitize.d.ts
+++ b/angularjs/angular-sanitize.d.ts
@@ -9,7 +9,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 // ngSanitize module (angular-sanitize.js)
 ///////////////////////////////////////////////////////////////////////////////
-module ng.sanitize {
+declare module ng.sanitize {
 
     ///////////////////////////////////////////////////////////////////////////
     // SanitizeService
diff --git a/iscroll/iscroll-lite.d.ts b/iscroll/iscroll-lite.d.ts
index 8964b8b74..f956ee8f3 100644
--- a/iscroll/iscroll-lite.d.ts
+++ b/iscroll/iscroll-lite.d.ts
@@ -32,7 +32,7 @@ interface iScrollOptions {
     onDestroy?: iScrollEvent;
 }
 
-class iScroll {
+declare class iScroll {
 
     constructor (element: string);
     constructor (element: string, options: iScrollOptions);
diff --git a/iscroll/iscroll.d.ts b/iscroll/iscroll.d.ts
index aee179cac..4990e18b7 100644
--- a/iscroll/iscroll.d.ts
+++ b/iscroll/iscroll.d.ts
@@ -57,7 +57,7 @@ interface iScrollOptions {
     onZoomEnd?: iScrollEvent;
 }
 
-class iScroll {
+declare class iScroll {
 
     constructor (element: string);
     constructor (element: string, options: iScrollOptions);