diff --git a/docs/setup.en.md b/docs/setup.en.md
index e8e1950636..29b298c664 100644
--- a/docs/setup.en.md
+++ b/docs/setup.en.md
@@ -35,9 +35,8 @@ Please install and setup these softwares:
 As root:
 1. `mongo` Go to the mongo shell
 2. `use misskey` Use the misskey database
-3. `db.users.save( {dummy:"dummy"} )` Write dummy data to initialize the db.
-4. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` Create the misskey user.
-5. `exit` You're done !
+3. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` Create the misskey user.
+4. `exit` You're done!
 
 *4.* Install Misskey
 ----------------------------------------------------------------
diff --git a/docs/setup.fr.md b/docs/setup.fr.md
index 80dca855c1..01fc810a3f 100644
--- a/docs/setup.fr.md
+++ b/docs/setup.fr.md
@@ -35,9 +35,8 @@ Installez les paquets suivants :
 En root :
 1. `mongo` Ouvrez le shell mongo
 2. `use misskey` Utilisez la base de données misskey
-3. `db.users.save( {dummy:"dummy"} )` Écrivez une donnée factice pour initialiser la base de données.
-4. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` Créez l'utilisateur misskey.
-5. `exit` Vous avez terminé !
+3. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` Créez l'utilisateur misskey.
+4. `exit` Vous avez terminé !
 
 *4.* Installation de Misskey
 ----------------------------------------------------------------
diff --git a/docs/setup.ja.md b/docs/setup.ja.md
index 9ac0931280..2501b86fb0 100644
--- a/docs/setup.ja.md
+++ b/docs/setup.ja.md
@@ -41,9 +41,8 @@ adduser --disabled-password --disabled-login misskey
 ルートで:
 1. `mongo` mongoシェルを起動
 2. `use misskey` misskeyデータベースを使用
-3. `db.users.save( {dummy:"dummy"} )` ダミーデータを書き込みDBを初期化
-4. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` misskeyユーザーを作成
-5. `exit` mongoシェルを終了
+3. `db.createUser( { user: "misskey", pwd: "<password>", roles: [ { role: "readWrite", db: "misskey" } ] } )` misskeyユーザーを作成
+4. `exit` mongoシェルを終了
 
 *4.* Misskeyのインストール
 ----------------------------------------------------------------