diff --git a/src/components/editor/document-renderer-pane/document-render-pane.tsx b/src/components/editor/document-renderer-pane/document-render-pane.tsx
index 2f1321d804..6daefcbb89 100644
--- a/src/components/editor/document-renderer-pane/document-render-pane.tsx
+++ b/src/components/editor/document-renderer-pane/document-render-pane.tsx
@@ -2,7 +2,7 @@ import React, { RefObject, useState } from 'react'
 import { Dropdown } from 'react-bootstrap'
 import { useSelector } from 'react-redux'
 import useResizeObserver from 'use-resize-observer'
-import { TocAst } from '../../../external-types/markdown-it-toc-done-right/interface'
+import { TocAst } from 'markdown-it-toc-done-right'
 import { ApplicationState } from '../../../redux'
 import { ForkAwesomeIcon } from '../../common/fork-awesome/fork-awesome-icon'
 import { ShowIf } from '../../common/show-if/show-if'
diff --git a/src/components/editor/table-of-contents/table-of-contents.tsx b/src/components/editor/table-of-contents/table-of-contents.tsx
index f8c006cf83..cb3c2d25d2 100644
--- a/src/components/editor/table-of-contents/table-of-contents.tsx
+++ b/src/components/editor/table-of-contents/table-of-contents.tsx
@@ -1,6 +1,6 @@
 import React, { Fragment, ReactElement, useMemo } from 'react'
 import { Trans, useTranslation } from 'react-i18next'
-import { TocAst } from '../../../external-types/markdown-it-toc-done-right/interface'
+import { TocAst } from 'markdown-it-toc-done-right'
 import { ShowIf } from '../../common/show-if/show-if'
 import './table-of-contents.scss'
 
diff --git a/src/components/markdown-renderer/full-markdown-renderer.tsx b/src/components/markdown-renderer/full-markdown-renderer.tsx
index 62ee083c7e..4bbd339d4b 100644
--- a/src/components/markdown-renderer/full-markdown-renderer.tsx
+++ b/src/components/markdown-renderer/full-markdown-renderer.tsx
@@ -1,7 +1,7 @@
 import React, { useCallback, useMemo, useRef, useState } from 'react'
 import { Alert } from 'react-bootstrap'
 import { Trans } from 'react-i18next'
-import { TocAst } from '../../external-types/markdown-it-toc-done-right/interface'
+import { TocAst } from 'markdown-it-toc-done-right'
 import { InternalLink } from '../common/links/internal-link'
 import { ShowIf } from '../common/show-if/show-if'
 import { RawYAMLMetadata, YAMLMetaData } from '../editor/yaml-metadata/yaml-metadata'
diff --git a/src/components/markdown-renderer/hooks/use-post-toc-ast-on-change.ts b/src/components/markdown-renderer/hooks/use-post-toc-ast-on-change.ts
index 2fd4948022..b347d90853 100644
--- a/src/components/markdown-renderer/hooks/use-post-toc-ast-on-change.ts
+++ b/src/components/markdown-renderer/hooks/use-post-toc-ast-on-change.ts
@@ -1,6 +1,6 @@
 import equal from 'fast-deep-equal'
 import { RefObject, useEffect, useRef } from 'react'
-import { TocAst } from '../../../external-types/markdown-it-toc-done-right/interface'
+import { TocAst } from 'markdown-it-toc-done-right'
 
 export const usePostTocAstOnChange = (tocAst: RefObject<TocAst|undefined>, onTocChange?: (ast: TocAst) => void): void => {
   const lastTocAst = useRef<TocAst>()
diff --git a/src/components/markdown-renderer/markdown-it-configurator/FullMarkdownItConfigurator.tsx b/src/components/markdown-renderer/markdown-it-configurator/FullMarkdownItConfigurator.tsx
index 60865ea6be..398599f5ec 100644
--- a/src/components/markdown-renderer/markdown-it-configurator/FullMarkdownItConfigurator.tsx
+++ b/src/components/markdown-renderer/markdown-it-configurator/FullMarkdownItConfigurator.tsx
@@ -1,5 +1,5 @@
 import MarkdownIt from 'markdown-it'
-import { TocAst } from '../../../external-types/markdown-it-toc-done-right/interface'
+import { TocAst } from 'markdown-it-toc-done-right'
 import { RawYAMLMetadata } from '../../editor/yaml-metadata/yaml-metadata'
 import { documentToc } from '../markdown-it-plugins/document-toc'
 import { frontmatterExtract } from '../markdown-it-plugins/frontmatter'
diff --git a/src/components/markdown-renderer/markdown-it-plugins/document-toc.ts b/src/components/markdown-renderer/markdown-it-plugins/document-toc.ts
index 0337faa36e..d39fc3119e 100644
--- a/src/components/markdown-renderer/markdown-it-plugins/document-toc.ts
+++ b/src/components/markdown-renderer/markdown-it-plugins/document-toc.ts
@@ -1,11 +1,10 @@
 import MarkdownIt from 'markdown-it'
-import toc from 'markdown-it-toc-done-right'
-import { TocAst } from '../../../external-types/markdown-it-toc-done-right/interface'
+import toc, { TocAst } from 'markdown-it-toc-done-right'
 import { slugify } from '../../editor/table-of-contents/table-of-contents'
 
 export type DocumentTocPluginOptions = (ast: TocAst) => void
 
-export const documentToc:MarkdownIt.PluginWithOptions<DocumentTocPluginOptions> = (markdownIt, onToc) => {
+export const documentToc: MarkdownIt.PluginWithOptions<DocumentTocPluginOptions> = (markdownIt, onToc) => {
   if (!onToc) {
     return
   }
diff --git a/src/external-types/markdown-it-toc-done-right/index.d.ts b/src/external-types/markdown-it-toc-done-right/index.d.ts
deleted file mode 100644
index 8992530430..0000000000
--- a/src/external-types/markdown-it-toc-done-right/index.d.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-declare module 'markdown-it-toc-done-right' {
-    import MarkdownIt from 'markdown-it/lib'
-    import { TocOptions } from './interface'
-    const markdownItTocDoneRight: MarkdownIt.PluginWithOptions<TocOptions>
-    export = markdownItTocDoneRight
-  }
diff --git a/src/external-types/markdown-it-toc-done-right/interface.ts b/src/external-types/markdown-it-toc-done-right/interface.ts
deleted file mode 100644
index 6491e116d9..0000000000
--- a/src/external-types/markdown-it-toc-done-right/interface.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-export interface TocOptions {
-    placeholder: string
-    slugify: (s: string) => string
-    containerClass: string
-    containerId: string
-    listClass: string
-    itemClass: string
-    linkClass: string
-    level: number | number[]
-    listType: 'ol' | 'ul'
-    format: (s: string) => string
-    callback: (tocCode: string, ast: TocAst) => void
-}
-
-export interface TocAst {
-    l: number
-    n: string
-    c: TocAst[]
-}