diff --git a/ts/dees-comms.classes.deescomms.ts b/ts/dees-comms.classes.deescomms.ts
index b5c9226..cc524a1 100644
--- a/ts/dees-comms.classes.deescomms.ts
+++ b/ts/dees-comms.classes.deescomms.ts
@@ -1,11 +1,6 @@
 import { TypedRequest } from '@apiglobal/typedrequest';
 import * as plugins from './dees-comms.plugins';
 
-let BroadcastChannel = globalThis.BroadcastChannel;
-if (!BroadcastChannel) {
-  BroadcastChannel = plugins.BroadCastChannelPolyfill as any;
-}
-
 /**
  * a comm class for client side communication between workers and tabs.
  */
diff --git a/ts/dees-comms.plugins.ts b/ts/dees-comms.plugins.ts
index 46e899e..61e9633 100644
--- a/ts/dees-comms.plugins.ts
+++ b/ts/dees-comms.plugins.ts
@@ -3,8 +3,3 @@ import * as typedrequestInterfaces from '@apiglobal/typedrequest-interfaces';
 import * as typedrequest from '@apiglobal/typedrequest';
 
 export { typedrequestInterfaces, typedrequest };
-
-// thirdparty scope
-import { BroadcastChannel as BroadCastChannelPolyfill } from 'broadcast-channel';
-
-export { BroadCastChannelPolyfill };