diff --git a/config_panel.toml b/config_panel.toml
index 2443f68..b54f7cd 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -18,22 +18,6 @@ name = "My webapp configuration"
         optional = true
         help = "If a password already exist, it will not be replaced."
 
-    [main.overwrite_files]
-    name = "Overwriting config files"
-
-        [main.overwrite_files.overwrite_nginx]
-        ask = "Overwrite the NGINX config file?"
-        type = "boolean"
-        default = false
-        help = "If the file is overwritten, a backup will be created."
-
-        [main.overwrite_files.overwrite_phpfpm]
-        ask = "Overwrite the PHP-FPM config file?"
-        type = "boolean"
-        default = true
-        help = "If the file is overwritten, a backup will be created."
-
-
     [main.php_fpm_config]
     name = "PHP-FPM configuration"
 
diff --git a/scripts/config b/scripts/config
index 2bf9b17..e30a1c3 100644
--- a/scripts/config
+++ b/scripts/config
@@ -45,15 +45,6 @@ else
 fi
 
 
-# Overwrite NGINX configuration
-old_overwrite_nginx="$(ynh_app_setting_get --app=$app --key=overwrite_nginx)"
-overwrite_nginx="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_NGINX:-$old_overwrite_nginx}"
-
-# Overwrite PHP-FPM configuration
-old_overwrite_phpfpm="$(ynh_app_setting_get --app=$app --key=overwrite_phpfpm)"
-overwrite_phpfpm="${YNH_CONFIG_MAIN_OVERWRITE_FILES_OVERWRITE_PHPFPM:-$old_overwrite_phpfpm}"
-
-
 # Footprint for PHP-FPM
 old_fpm_footprint="$(ynh_app_setting_get --app=$app --key=fpm_footprint)"
 fpm_footprint="${YNH_CONFIG_MAIN_PHP_FPM_CONFIG_FOOTPRINT:-$old_fpm_footprint}"
diff --git a/scripts/install b/scripts/install
index e9e3108..adfaf91 100644
--- a/scripts/install
+++ b/scripts/install
@@ -53,8 +53,6 @@ ynh_app_setting_set --app=$app --key=with_mysql --value=$with_mysql
 ynh_app_setting_set --app=$app --key=with_sftp --value=$with_sftp
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 
-ynh_app_setting_set --app=$app --key=overwrite_nginx --value=0
-ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=1
 ynh_app_setting_set --app=$app --key=admin_mail_html --value=1
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 05cb55a..edf7c39 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,8 +24,6 @@ with_mysql=$(ynh_app_setting_get --app=$app --key=with_mysql)
 with_sftp=$(ynh_app_setting_get --app=$app --key=with_sftp)
 password=$(ynh_app_setting_get --app=$app --key=password)
 
-overwrite_nginx=$(ynh_app_setting_get --app=$app --key=overwrite_nginx)
-overwrite_phpfpm=$(ynh_app_setting_get --app=$app --key=overwrite_phpfpm)
 admin_mail_html=$(ynh_app_setting_get --app=$app --key=admin_mail_html)
 
 fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
@@ -61,18 +59,6 @@ if [ -z "$final_path" ]; then
 	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 fi
 
-# If overwrite_nginx doesn't exist, create it
-if [ -z "$overwrite_nginx" ]; then
-	overwrite_nginx=0
-	ynh_app_setting_set --app=$app --key=overwrite_nginx --value=$overwrite_nginx
-fi
-
-# If overwrite_phpfpm doesn't exist, create it
-if [ -z "$overwrite_phpfpm" ]; then
-	overwrite_phpfpm=1
-	ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=$overwrite_phpfpm
-fi
-
 # If admin_mail_html doesn't exist, create it
 if [ -z "$admin_mail_html" ]; then
 	admin_mail_html=1
@@ -131,14 +117,10 @@ ynh_maintenance_mode_ON
 # NGINX CONFIGURATION
 #=================================================
 
-# Overwrite the NGINX configuration only if it's allowed
-if [ $overwrite_nginx -eq 1 ]
-then
-    ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
+ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
 
-    # Create a dedicated NGINX config
-    ynh_add_nginx_config
-fi
+# Create a dedicated NGINX config
+ynh_add_nginx_config
 
 #=================================================
 # CREATE DEDICATED USER
@@ -168,14 +150,10 @@ usermod -g "$app" "$app"
 # PHP-FPM CONFIGURATION
 #=================================================
 
-# Overwrite the PHP-FPM configuration only if it's allowed
-if [ $overwrite_phpfpm -eq 1 ]
-then
-    ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2
+ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2
 
-    # Create a dedicated PHP-FPM config
-    ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
-fi
+# Create a dedicated PHP-FPM config
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
 #=================================================
 # SPECIFIC UPGRADE