diff --git a/packages/docusaurus-module-type-aliases/src/index.d.ts b/packages/docusaurus-module-type-aliases/src/index.d.ts
index 5cc70d825d..3e5d0bc066 100644
--- a/packages/docusaurus-module-type-aliases/src/index.d.ts
+++ b/packages/docusaurus-module-type-aliases/src/index.d.ts
@@ -56,18 +56,9 @@ declare module '@generated/globalData' {
 }
 
 declare module '@generated/i18n' {
-  const i18n: {
-    defaultLocale: string;
-    locales: [string, ...string[]];
-    currentLocale: string;
-    localeConfigs: {
-      [localeName: string]: {
-        label: string;
-        direction: string;
-        htmlLang: string;
-      };
-    };
-  };
+  import type {I18n} from '@docusaurus/types';
+
+  const i18n: I18n;
   export = i18n;
 }
 
diff --git a/packages/docusaurus-plugin-content-docs/src/plugin-content-docs.d.ts b/packages/docusaurus-plugin-content-docs/src/plugin-content-docs.d.ts
index 40aad894e8..92d375fc70 100644
--- a/packages/docusaurus-plugin-content-docs/src/plugin-content-docs.d.ts
+++ b/packages/docusaurus-plugin-content-docs/src/plugin-content-docs.d.ts
@@ -647,13 +647,11 @@ declare module '@docusaurus/plugin-content-docs/client' {
     sidebars?: {[sidebarId: string]: GlobalSidebar};
   };
 
-  export type GlobalSidebarLink = {
-    label: string;
-    path: string;
-  };
-
   export type GlobalSidebar = {
-    link?: GlobalSidebarLink;
+    link?: {
+      label: string;
+      path: string;
+    };
     // ... we may add other things here later
   };
   export type GlobalPluginData = {
diff --git a/packages/docusaurus-types/package.json b/packages/docusaurus-types/package.json
index 33ffb60a21..df32340b17 100644
--- a/packages/docusaurus-types/package.json
+++ b/packages/docusaurus-types/package.json
@@ -16,6 +16,7 @@
     "test": "tsc -p ."
   },
   "dependencies": {
+    "@docusaurus/react-loadable": "5.5.2",
     "react-loadable": "npm:@docusaurus/react-loadable@5.5.2",
     "commander": "^5.1.0",
     "history": "^4.9.0",
diff --git a/packages/docusaurus-types/src/index.d.ts b/packages/docusaurus-types/src/index.d.ts
index 41866831df..4b8ec22087 100644
--- a/packages/docusaurus-types/src/index.d.ts
+++ b/packages/docusaurus-types/src/index.d.ts
@@ -10,7 +10,7 @@ import type {CustomizeRuleString} from 'webpack-merge/dist/types';
 import type {CommanderStatic} from 'commander';
 import type {ParsedUrlQueryInput} from 'querystring';
 import type Joi from 'joi';
-import type {Overwrite, DeepPartial} from 'utility-types';
+import type {Overwrite, DeepPartial, DeepRequired} from 'utility-types';
 import type {Location} from 'history';
 import type Loadable from 'react-loadable';
 
@@ -130,12 +130,7 @@ export type I18nConfig = {
   localeConfigs: {[locale: string]: Partial<I18nLocaleConfig>};
 };
 
-export type I18n = {
-  defaultLocale: string;
-  locales: [string, ...string[]];
-  currentLocale: string;
-  localeConfigs: {[locale: string]: I18nLocaleConfig};
-};
+export type I18n = DeepRequired<I18nConfig> & {currentLocale: string};
 
 export type GlobalData = {[pluginName: string]: {[pluginId: string]: unknown}};