diff --git a/types.ts b/types.ts
index 89be6e0..ca4c1cd 100644
--- a/types.ts
+++ b/types.ts
@@ -24,7 +24,6 @@ export namespace ExpectedExports {
   export type migration = (
     effects: Effects,
     version: string,
-    options?: any,
   ) => Promise<ResultType<MigrationRes>>;
   export type action = {
     [id: string]: (