diff --git a/packages/babel-plugin-syntax-import-assertions/src/index.js b/packages/babel-plugin-syntax-import-assertions/src/index.js
index 4796e1445d4e..e99359e0372d 100644
--- a/packages/babel-plugin-syntax-import-assertions/src/index.js
+++ b/packages/babel-plugin-syntax-import-assertions/src/index.js
@@ -1,21 +1,13 @@
 import { declare } from "@babel/helper-plugin-utils";
 
-export default declare((api, { version }) => {
+export default declare(api => {
   api.assertVersion(7);
 
-  if (typeof version !== "string" || version !== "september-2020") {
-    throw new Error(
-      "The 'importAssertions' plugin requires a 'version' option," +
-        " representing the last proposal update. Currently, the" +
-        " only supported value is 'september-2020'.",
-    );
-  }
-
   return {
     name: "syntax-import-assertions",
 
     manipulateOptions(opts, parserOpts) {
-      parserOpts.plugins.push(["importAssertions", { version }]);
+      parserOpts.plugins.push(["importAssertions"]);
     },
   };
 });