diff --git a/.storybook/playground.stories.tsx b/.storybook/playground.stories.tsx
index ed1c05c8..3d048461 100644
--- a/.storybook/playground.stories.tsx
+++ b/.storybook/playground.stories.tsx
@@ -9,7 +9,7 @@ import text from "../fixture/article.md";
 
 const processor = unified()
   .use(markdown, { commonmark: true })
-  .use(remarkToSlate as any);
+  .use(remarkToSlate);
 
 export default {
   title: "playground",
diff --git a/src/remark-slate.ts b/src/remark-slate.ts
index 1cc04ab7..5c1cfc7c 100644
--- a/src/remark-slate.ts
+++ b/src/remark-slate.ts
@@ -1,12 +1,12 @@
 import { Node } from "unist";
-import { Compiler } from "unified";
 import * as slate from "slate";
 import * as mdast from "./models/mdast";
 
 const VOID_KEY = "void";
 
-export default function plugin(this: { Compiler: Compiler }) {
-  this.Compiler = (compiler as any) as Compiler;
+export default function plugin() {
+  // @ts-ignore
+  this.Compiler = compiler;
 
   function compiler(node: Node) {
     return remarkToSlate((node as any) as mdast.Root);