diff --git a/src/types.ts b/src/types.ts
index 6303a9f..7e3a673 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -3,7 +3,6 @@
  * SPDX-License-Identifier: MPL-2.0
  */
 
-import { Pluggable, Compiler } from 'unified'
 import { CompileOptions } from '@mdx-js/mdx'
 
 export interface SerializeOptions {