diff --git a/rx-lite.d.ts b/rx-lite.d.ts
index a47233177..b7bd9fb71 100644
--- a/rx-lite.d.ts
+++ b/rx-lite.d.ts
@@ -76,8 +76,6 @@ declare module Rx {
 		dispose(): void;
 		add(item: IDisposable): void;
 		remove(item: IDisposable): boolean;
-		clear(): void;
-		contains(item: IDisposable): boolean;
 		toArray(): IDisposable[];
 	}
 
diff --git a/rx.backpressure.d.ts b/rx.backpressure.d.ts
index 9c5e8abd5..18ab4ddd9 100644
--- a/rx.backpressure.d.ts
+++ b/rx.backpressure.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for RxJS-BackPressure v2.2.28
+// Type definitions for RxJS-BackPressure v2.3.12
 // Project: http://rx.codeplex.com/
 // Definitions by: Igor Oleinikov <https://github.com/Igorbek>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped