diff --git a/conf/msg_install b/doc/POST_INSTALL.md
similarity index 84%
rename from conf/msg_install
rename to doc/POST_INSTALL.md
index b3f6c82..9d7d56c 100644
--- a/conf/msg_install
+++ b/doc/POST_INSTALL.md
@@ -1,6 +1,7 @@
 __APP__ was successfully installed :)
 
 To configure OnlyOffice with Nextcloud:
+
 - Within Nextcloud, install ONLYOFFICE app
 - go to the settings under "Administration > ONLYOFFICE > Server settings
 - Address of the Document Server: "https://__DOMAIN____PATH__"
@@ -8,4 +9,4 @@ To configure OnlyOffice with Nextcloud:
 
 OnlyOffice should now work with your Nextcloud!
 
-If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/onlyoffice_ynh
\ No newline at end of file
+If you are facing any problem or want to improve this app, please open a new issue here: <https://github.com/YunoHost-Apps/onlyoffice_ynh>
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 854e5f4..944a65e 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,9 +4,6 @@
 # COMMON VARIABLES
 #=================================================
 
-# dependencies used by the app
-#REMOVEME? pkg_dependencies="postgresql postgresql-contrib libstdc++6 rabbitmq-server libcurl4-dev"
-
 #=================================================
 # PERSONAL HELPERS
 #=================================================
@@ -18,129 +15,3 @@
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
-
-# Send an email to inform the administrator
-#
-# usage: ynh_send_readme_to_admin --app_message=app_message [--recipients=recipients] [--type=type]
-# | arg: -m --app_message= - The file with the content to send to the administrator.
-# | arg: -r, --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"
-# | arg: -t, --type= - Type of mail, could be 'backup', 'change_url', 'install', 'remove', 'restore', 'upgrade'
-#
-# Requires YunoHost version 4.1.0 or higher.
-ynh_send_readme_to_admin() {
-	# Declare an array to define the options of this helper.
-	declare -Ar args_array=( [m]=app_message= [r]=recipients= [t]=type= )
-	local app_message
-	local recipients
-	local type
-	# Manage arguments with getopts
-
-	ynh_handle_getopts_args "$@"
-	app_message="${app_message:-}"
-	recipients="${recipients:-root}"
-	type="${type:-install}"
-
-	# Get the value of admin_mail_html
-#REMOVEME? 	admin_mail_html=$(ynh_app_setting_get $app admin_mail_html)
-	admin_mail_html="${admin_mail_html:-0}"
-
-	# 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")
-
-	# Subject base
-	local mail_subject="☁️🆈🅽🅷☁️: \`$app\`"
-
-	# Adapt the subject according to the type of mail required.
-	if [ "$type" = "backup" ]; then
-		mail_subject="$mail_subject has just been backup."
-	elif [ "$type" = "change_url" ]; then
-		mail_subject="$mail_subject has just been moved to a new URL!"
-	elif [ "$type" = "remove" ]; then
-		mail_subject="$mail_subject has just been removed!"
-	elif [ "$type" = "restore" ]; then
-		mail_subject="$mail_subject has just been restored!"
-	elif [ "$type" = "upgrade" ]; then
-		mail_subject="$mail_subject has just been upgraded!"
-	else	# install
-		mail_subject="$mail_subject has just been installed!"
-	fi
-
-	ynh_add_config --template="$app_message" --destination="../conf/msg__to_send"
-
-	ynh_delete_file_checksum --file="../conf/msg__to_send"
-
-	local mail_message="This is an automated message from your beloved YunoHost server.
-Specific information for the application $app.
-$(cat "../conf/msg__to_send")"
-
-	# Store the message into a file for further modifications.
-	echo "$mail_message" > mail_to_send
-
-	# If a html email is required. Apply html tags to the message.
- 	if [ "$admin_mail_html" -eq 1 ]
- 	then
-		# Insert 'br' tags at each ending of lines.
-		ynh_replace_string "$" "<br>" mail_to_send
-
-		# Insert starting HTML tags
-		sed --in-place '1s@^@<!DOCTYPE html>\n<html>\n<head></head>\n<body>\n@' mail_to_send
-
-		# Keep tabulations
-		ynh_replace_string "  " "\&#160;\&#160;" mail_to_send
-		ynh_replace_string "\t" "\&#160;\&#160;" mail_to_send
-
-		# Insert url links tags
-		ynh_replace_string "__URL_TAG1__\(.*\)__URL_TAG2__\(.*\)__URL_TAG3__" "<a href=\"\2\">\1</a>" mail_to_send
-
-		# Insert finishing HTML tags
-		echo -e "\n</body>\n</html>" >> mail_to_send
-
-	# Otherwise, remove tags to keep a plain text.
-	else
-		# Remove URL tags
-		ynh_replace_string "__URL_TAG[1,3]__" "" mail_to_send
-		ynh_replace_string "__URL_TAG2__" ": " mail_to_send
-	fi
-
-	# 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
-
-	if [ "$admin_mail_html" -eq 1 ]
-	then
-		content_type="text/html"
-	else
-		content_type="text/plain"
-	fi
-
-	# Send the email to the recipients
-	cat mail_to_send | $mail_bin -a "Content-Type: $content_type; charset=UTF-8" -s "$mail_subject" "$recipients"
-}
\ No newline at end of file