diff --git a/src/__tests__/ReactLeafletGoogleLayer.test.tsx b/src/__tests__/ReactLeafletGoogleLayer.test.tsx
index 5e1738c..71fc169 100644
--- a/src/__tests__/ReactLeafletGoogleLayer.test.tsx
+++ b/src/__tests__/ReactLeafletGoogleLayer.test.tsx
@@ -40,7 +40,7 @@ describe('ReactLeafletGoogleLayer', () => {
     const dom = ReactTestUtils.renderIntoDocument(
       <div>
         <MapContainer>
-          <ReactLeafletGoogleLayer apiKey={"123"} minZoom={1} useGoogMapsLoader={false} googleMapsLoaderConf={{language: 'en', apiKey: "123"}} />
+          <ReactLeafletGoogleLayer apiKey={"123"} minZoom={1} useGoogMapsLoader={false} googleMapsLoaderConf={{language: 'en'}} />
         </MapContainer>
       </div>
     ) as any;
diff --git a/src/index.ts b/src/index.ts
index c60176d..88df5f2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,7 +13,7 @@ interface IGoogleMapsAddLayer {
 interface IProps extends L.gridLayer.GoogleMutantOptions {
   zIndex?: number;
   useGoogMapsLoader?: boolean;
-  googleMapsLoaderConf?: LoaderOptions;
+  googleMapsLoaderConf?: Omit<LoaderOptions, 'apiKey'>;
   googleMapsAddLayers?: IGoogleMapsAddLayer[];
   apiKey?: string;
 }