diff --git a/conf/.env.example b/conf/.env.example
index a0f8a59..f98ee6e 100644
--- a/conf/.env.example
+++ b/conf/.env.example
@@ -57,7 +57,7 @@ MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
 
 # General auth
-AUTH_METHOD=__AUTH_METHOD__
+AUTH_METHOD=ldap
 
 # LDAP authentication configuration
 # Refer to https://www.bookstackapp.com/docs/admin/ldap-auth/
diff --git a/doc/POST_INSTALL.md b/doc/POST_INSTALL.md
deleted file mode 100644
index e9ce5f7..0000000
--- a/doc/POST_INSTALL.md
+++ /dev/null
@@ -1,3 +0,0 @@
-BookStack uses LDAP authentication by default.
-
-If you choose Standard as authentication, for the first time Login with standard authentication, use the default credentials `admin@admin.com` and `password`. You should change these details immediately after logging in for the first time.
diff --git a/doc/POST_INSTALL_fr.md b/doc/POST_INSTALL_fr.md
deleted file mode 100644
index 4e3cb67..0000000
--- a/doc/POST_INSTALL_fr.md
+++ /dev/null
@@ -1,3 +0,0 @@
-BookStack utilise l'authentification LDAP par défaut.
-
-Si vous avez choisi la méthode standard d'authentification, pour la première connexion avec une authentification standard, utilisez les informations d'identification par défaut `admin@admin.com` et `password`. Vous devez modifier ces informations immédiatement après vous être connecté pour la première fois.
diff --git a/manifest.toml b/manifest.toml
index 5322121..c741735 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -38,13 +38,6 @@ ram.runtime = "50M"
     [install.admin]
     type = "user"
 
-    [install.auth_method]
-    ask.en = "Choose an authentication method"
-    ask.fr = "Choisissez une méthode d'authentification"
-    type = "string"
-    choices = ["standard", "ldap"]
-    default = "ldap"
-
     [install.language]
     ask.en = "Choose the application language"
     ask.fr = "Choisissez la langue de l'application"
diff --git a/scripts/upgrade b/scripts/upgrade
index 397512a..4602a18 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -38,12 +38,6 @@ if [ -z "${fpm_usage:-}" ]; then
     ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
 fi
 
-# If auth_method doesn't exist, create it
-if [ -z "${auth_method:-}" ]; then
-	auth_method="standard"
-	ynh_app_setting_set --app=$app --key=auth_method --value=$auth_method
-fi
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================