diff --git a/nuxt.config.ts b/nuxt.config.ts
index f35ae7ae..7d2c9b6c 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -135,7 +135,7 @@ const config: Configuration = {
       ]
     },
     // https://ja.nuxtjs.org/api/configuration-build/#hardsource
-    hardSource: process.env.NODE_ENV === 'development'
+    // hardSource: process.env.NODE_ENV === 'development'
   },
   manifest: {
     name: '東京都 新型コロナウイルス感染症対策サイト',