diff --git a/src/Rx.KitchenSink.ts b/src/Rx.KitchenSink.ts
index adebfec81a..020c08e9cd 100644
--- a/src/Rx.KitchenSink.ts
+++ b/src/Rx.KitchenSink.ts
@@ -143,9 +143,15 @@ observableProto.findIndex = findIndex;
 import _finally from './operators/finally';
 observableProto.finally = _finally;
 
+import first from './operators/first';
+observableProto.first = first;
+
 import groupBy from './operators/groupBy';
 observableProto.groupBy = groupBy;
 
+import ignoreElements from './operators/ignoreElements';
+observableProto.ignoreElements = ignoreElements;
+
 import isEmpty from './operators/isEmpty';
 observableProto.isEmpty = isEmpty;