diff --git a/packages/portal/src/index.js b/packages/portal/src/index.js
index d667042..80024af 100644
--- a/packages/portal/src/index.js
+++ b/packages/portal/src/index.js
@@ -82,7 +82,7 @@ export function WorkerPortal(context, worker, serialize) {
 		}
 	}
 
-	function injectionPointFactory(fnId, fnName, callbackFactory) {
+	function injectionPointFactory(fnId, callbackFactory) {
 		return () =>
 			new Promise((resolve, reject) => {
 				const id = callCount;
@@ -96,7 +96,7 @@ export function WorkerPortal(context, worker, serialize) {
 		return linkedFunctionNames => {
 			const externalInterface = {};
 			linkedFunctionNames.forEach((fnName, index) => {
-				externalInterface[fnName] = injectionPointFactory(index, fnName);
+				externalInterface[fnName] = injectionPointFactory(index);
 			});
 			resolve(externalInterface);
 			return contextIndex;
@@ -110,5 +110,5 @@ export function WorkerPortal(context, worker, serialize) {
 				contextIndex.splice(0, 0, '__init');
 				context.__init = resolveExternalInterfaceFactory(resolve);
 		  })
-		: injectionPointFactory(0, '___init___', resolveExternalInterfaceFactory)(contextIndex);
+		: injectionPointFactory(0, resolveExternalInterfaceFactory)(contextIndex);
 }