diff --git a/tools/isobuild/import-scanner.js b/tools/isobuild/import-scanner.js
index 5e685f91a9..f0252dd05d 100644
--- a/tools/isobuild/import-scanner.js
+++ b/tools/isobuild/import-scanner.js
@@ -1222,17 +1222,6 @@ export default class ImportScanner {
       return false;
     }
 
-    if (
-      absModuleId.endsWith(".js") ||
-      absModuleId.endsWith(".mjs")
-    ) {
-      return false;
-    }
-
-    if (absModuleId.endsWith(".node")) {
-      return true;
-    }
-
     const parts = absModuleId.split("/");
     let start = 0;