diff --git a/src/module.ts b/src/module.ts
index 9202584f..e3f20ada 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -16,6 +16,7 @@ import type { NuxtModule } from 'nuxt/schema'
 import { getOriginAndPathnameFromURL, isProduction } from './runtime/helpers'
 import type {
   ModuleOptions,
+  ModuleOptionsNormalized,
   SupportedAuthProviders,
   AuthProviders
 } from './runtime/types'
@@ -246,3 +247,16 @@ export default defineNuxtModule<ModuleOptions>({
     logger.success('`nuxt-auth` setup done')
   }
 }) satisfies NuxtModule<ModuleOptions>
+
+// Used by nuxt/module-builder for `types.d.ts` generation
+export type { ModuleOptions }
+export interface ModulePublicRuntimeConfig {
+  auth: ModuleOptionsNormalized
+}
+
+// Augment types for type inference in source code
+declare module '@nuxt/schema' {
+  interface PublicRuntimeConfig {
+    auth: ModuleOptionsNormalized
+  }
+}
diff --git a/src/runtime/types.ts b/src/runtime/types.ts
index 9b16b720..00c96fa8 100644
--- a/src/runtime/types.ts
+++ b/src/runtime/types.ts
@@ -514,10 +514,3 @@ export interface ModuleOptionsNormalized extends ModuleOptions {
     fullBaseUrl: string
   }
 }
-
-// Augment types
-declare module 'nuxt/schema' {
-  interface PublicRuntimeConfig {
-    auth: ModuleOptionsNormalized
-  }
-}