diff --git a/check_process b/check_process
index 8c4f6f9..67b94f7 100644
--- a/check_process
+++ b/check_process
@@ -3,6 +3,7 @@
 		domain="domain.tld"
 		path="/path"
 		admin="john"
+		language="fr"
 		is_public=1
 		password="super_password"
 	; Checks
diff --git a/conf/config.php.default b/conf/config.php.default
deleted file mode 100644
index b87413e..0000000
--- a/conf/config.php.default
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-// phpBB 3.3.x auto-generated configuration file
-// Do not change anything in this file!
-$dbms = 'mysqli';
-$dbhost = 'localhost';
-$dbport = '';
-$dbname = '__DB_NAME__';
-$dbuser = '__DB_NAME__';
-$dbpasswd ='__DB_PWD__';
-$table_prefix = 'phpbb_';
-$acm_type = 'file';
-$load_extensions = '';
-
-//@define('PHPBB_INSTALLED', true);
-//define('PHPBB_INSTALLED', true);
-//@define('PHPBB_DISPLAY_LOAD_TIME', true);
-//@define('PHPBB_ENVIRONMENT', 'production');
-//@define('DEBUG_CONTAINER', true);
-//@define('DEBUG', true);
-//@define('EXTRA_DEBUG', true);
-?>
diff --git a/conf/install-config.yml.default b/conf/install-config.yml.default
index 5359d66..52824d4 100644
--- a/conf/install-config.yml.default
+++ b/conf/install-config.yml.default
@@ -5,7 +5,7 @@ installer:
         email: __EMAIL__
 
     board:
-        lang: en
+        lang: __LANGUAGE__
         name: My Board
         description: My amazing new phpBB board
 
diff --git a/scripts/_common.sh b/scripts/_common.sh
index cfe3028..862e440 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -19,60 +19,3 @@ extra_php_dependencies="php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-fpm
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
-
-# Send an email to inform the administrator
-#
-# usage: ynh_send_readme_to_admin app_message [recipients]
-# | arg: app_message - The message to send to the administrator.
-# | arg: recipients - The recipients of this email. Use spaces to separate multiples recipients. - default: root
-#	example: "root admin@domain"
-#	If you give the name of a YunoHost user, ynh_send_readme_to_admin will find its email adress for you
-#	example: "root admin@domain user1 user2"
-ynh_send_readme_to_admin() {
-	local app_message="${1:-...No specific information...}"
-	local recipients="${2:-root}"
-
-	# Retrieve the email of users
-	find_mails () {
-		local list_mails="$1"
-		local mail
-		local recipients=" "
-		# Read each mail in argument
-		for mail in $list_mails
-		do
-			# Keep root or a real email address as it is
-			if [ "$mail" = "root" ] || echo "$mail" | grep --quiet "@"
-			then
-				recipients="$recipients $mail"
-			else
-				# But replace an user name without a domain after by its email
-				if mail=$(ynh_user_get_info "$mail" "mail" 2> /dev/null)
-				then
-					recipients="$recipients $mail"
-				fi
-			fi
-		done
-		echo "$recipients"
-	}
-	recipients=$(find_mails "$recipients")
-
-	local mail_subject="☁️🆈🅽🅷☁️: \`$app\` has important message for you"
-
-	local mail_message="This is an automated message from your beloved YunoHost server.
-Specific information for the application $app.
-$app_message
----
-Automatic diagnosis data from YunoHost
-$(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
-	
-	# Define binary to use for mail command
-	if [ -e /usr/bin/bsd-mailx ]
-	then
-		local mail_bin=/usr/bin/bsd-mailx
-	else
-		local mail_bin=/usr/bin/mail.mailutils
-	fi
-
-	# Send the email to the recipients
-	echo "$mail_message" | $mail_bin -a "Content-Type: text/plain; charset=UTF-8" -s "$mail_subject" "$recipients"
-}
diff --git a/scripts/install b/scripts/install
index ae8aeea..2608e64 100644
--- a/scripts/install
+++ b/scripts/install
@@ -172,17 +172,6 @@ ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
-#=================================================
-# SEND A README FOR THE ADMIN
-#=================================================
-ynh_script_progression --message="Sending a readme for the admin..."
-
-message="phpBB was successfully installed :)
-
-If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/phpbb_ynh/issues"
-
-ynh_send_readme_to_admin "$message"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 4bc02a1..d42f8ce 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -22,6 +22,7 @@ admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+language=$(ynh_app_setting_get --app=$app --key=language)
 
 #=================================================
 # CHECK VERSION