diff --git a/conf/nginx.conf b/conf/nginx.conf
index e93892c..78174bd 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -10,9 +10,6 @@ location /Microsoft-Server-ActiveSync {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
-### Example PHP configuration (remove it if not used)
-  #index index.php;
-
   # Common parameter to increase upload size limit in conjunction with dedicated php-fpm file
   client_max_body_size 20m;
   client_body_buffer_size 128k;
@@ -22,8 +19,6 @@ location /Microsoft-Server-ActiveSync {
   fastcgi_param HTTPS on;
   fastcgi_param SCRIPT_FILENAME $request_filename;
   
-### End of PHP configuration part
-
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/scripts/backup b/scripts/backup
index 5c28bfb..beaedde 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -13,10 +13,6 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
diff --git a/scripts/install b/scripts/install
index e604db1..3202b11 100755
--- a/scripts/install
+++ b/scripts/install
@@ -8,15 +8,12 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
+source ynh_add_secure_repos__2
 
 #=================================================
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
@@ -183,10 +180,6 @@ fi
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
 
-### `ynh_store_file_checksum` is used to store the checksum of a file.
-### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
-### you can make a backup of this file before modifying it again if the admin had modified it.
-
 # Calculate and store the config file checksum into the app settings
 ynh_store_file_checksum "$config_path/policies.ini"
 ynh_store_file_checksum "$config_path/z-push.conf.php"
diff --git a/scripts/restore b/scripts/restore
index 1d7d726..0af425d 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -8,15 +8,12 @@
 
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
+source ../settings/scripts/ynh_add_secure_repos__2
 
 #=================================================
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
-	#### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 81a1708..bf76fea 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -8,6 +8,7 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
+source ynh_add_secure_repos__2
 
 #=================================================
 # LOAD SETTINGS