diff --git a/check_process b/check_process
index 8d5802c..7970cbc 100644
--- a/check_process
+++ b/check_process
@@ -14,6 +14,5 @@
 		upgrade=1
 		backup_restore=1
 		multi_instance=1
-		port_already_use=0
 		change_url=1
 	
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index ef7a189..54fcae6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": ""
     },
     "requirements": {
-        "yunohost": ">= 4.0.0"
+        "yunohost": ">= 4.1.7"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/install b/scripts/install
index e7a0cbc..9fc7f68 100755
--- a/scripts/install
+++ b/scripts/install
@@ -44,7 +44,6 @@ ynh_script_progression --message="Storing installation settings..." --weight=2
 
 ynh_app_setting_set --app=$app --key=domain    --value=$domain
 ynh_app_setting_set --app=$app --key=path      --value=$path_url
-ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 
 #=================================================
 # STANDARD MODIFICATIONS