diff --git a/federation-js/src/index.ts b/federation-js/src/index.ts
index 036f8a0ad..a670d5b0e 100644
--- a/federation-js/src/index.ts
+++ b/federation-js/src/index.ts
@@ -1,5 +1,2 @@
-import "core-js/features/array/flat";
-import "core-js/features/array/flat-map";
-
 export * from './composition';
 export * from './service';