diff --git a/packages/types/config/generate.d.ts b/packages/types/config/generate.d.ts
index b2381f85f6..f0fdfebb89 100644
--- a/packages/types/config/generate.d.ts
+++ b/packages/types/config/generate.d.ts
@@ -10,6 +10,7 @@ type NuxtOptionsGenerateRoutesFunctionWithCallback = (callback: (err: Error, rou
 
 export interface NuxtOptionsGenerate {
   concurrency?: number
+  crawler?: boolean
   devtools?: boolean
   dir?: string
   exclude?: RegExp[]
diff --git a/packages/types/config/index.d.ts b/packages/types/config/index.d.ts
index 22b8c0a72a..dea3cd1f99 100644
--- a/packages/types/config/index.d.ts
+++ b/packages/types/config/index.d.ts
@@ -13,7 +13,7 @@ import { NuxtOptionsModule } from './module'
 import { NuxtOptionsPlugin } from './plugin'
 import { NuxtOptionsRender } from './render'
 import { NuxtOptionsRouter } from './router'
-import { NuxtConfigurationRuntimeConfig } from './runtime'
+import { NuxtOptionsRuntimeConfig } from './runtime'
 import { NuxtOptionsServer } from './server'
 import { NuxtOptionsServerMiddleware } from './server-middleware'
 import { NuxtOptionsVueConfiguration } from './vue-configuration'
@@ -22,7 +22,12 @@ import { NuxtOptionsWatchers } from './watchers'
 export { Module } from './module'
 export { ServerMiddleware } from './server-middleware'
 
-export interface NuxtOptions extends Record<string, any> {
+/**	
+ * @deprecated Use NuxtConfig instead
+*/
+export interface Configuration extends Record<string, any> {}
+
+export interface NuxtOptions extends Configuration {
   build: NuxtOptionsBuild
   buildDir: string
   buildModules: NuxtOptionsModule[]
@@ -51,8 +56,8 @@ export interface NuxtOptions extends Record<string, any> {
   modules: NuxtOptionsModule[]
   modulesDir: string[]
   plugins: NuxtOptionsPlugin[]
-  privateRuntimeConfig?: NuxtConfigurationRuntimeConfig
-  publicRuntimeConfig?: NuxtConfigurationRuntimeConfig
+  privateRuntimeConfig: NuxtOptionsRuntimeConfig
+  publicRuntimeConfig: NuxtOptionsRuntimeConfig
   render: NuxtOptionsRender
   rootDir: string
   router: NuxtOptionsRouter
@@ -66,8 +71,3 @@ export interface NuxtOptions extends Record<string, any> {
 }
 
 export type NuxtConfig = Partial<NuxtOptions>
-
-/**
- * @deprecated Use NuxtConfig instead
-*/
-export type Configuration = NuxtConfig // Legacy alias
diff --git a/packages/types/config/runtime.d.ts b/packages/types/config/runtime.d.ts
index ff6bc487fb..cc9c373c8d 100644
--- a/packages/types/config/runtime.d.ts
+++ b/packages/types/config/runtime.d.ts
@@ -1,5 +1,5 @@
 /**
-* NuxtConfigurationRuntimeConfig
+* NuxtOptionsRuntimeConfig
 * NuxtRuntimeConfig interface can be extended by users to enable intellisense on $config
 */
 
@@ -7,4 +7,4 @@ export interface NuxtRuntimeConfig {
   [key: string]: any
 }
 
-export type NuxtConfigurationRuntimeConfig = NuxtRuntimeConfig | ((env: typeof process.env) => NuxtRuntimeConfig)
+export type NuxtOptionsRuntimeConfig = NuxtRuntimeConfig | ((env: typeof process.env) => NuxtRuntimeConfig)
diff --git a/packages/types/index.d.ts b/packages/types/index.d.ts
index 6a360b54ef..4b85ef95fe 100644
--- a/packages/types/index.d.ts
+++ b/packages/types/index.d.ts
@@ -1,4 +1,9 @@
 import './process'
 
-export * from './app'
-export * from './config'
+/**
+ * Note: `export * from './app'` does not work well with TypeScript < 3.9
+ * TODO: When 3.9 considered stable with Nuxt, require it and use `export *`
+ */
+
+export { Context, Middleware, NuxtAppOptions, NuxtError, Plugin, Transition } from './app'
+export { Configuration, Module, NuxtConfig, NuxtOptions, ServerMiddleware } from './config'