diff --git a/locales/ar.json b/locales/ar.json
index a70ee3975..9d2cfe54a 100644
--- a/locales/ar.json
+++ b/locales/ar.json
@@ -4,13 +4,13 @@
     "admin_password_change_failed": "تعذرت عملية تعديل كلمة السر",
     "admin_password_changed": "تم تعديل الكلمة السرية الإدارية",
     "app_already_installed": "{app:s} تم تنصيبه مِن قبل",
-    "app_already_installed_cant_change_url": "This app is already installed. The url cannot be changed just by this function. Look into `app changeurl` if it's available.",
-    "app_already_up_to_date": "{app:s} is already up to date",
-    "app_argument_choice_invalid": "Invalid choice for argument '{name:s}', it must be one of {choices:s}",
-    "app_argument_invalid": "Invalid value for argument '{name:s}': {error:s}",
-    "app_argument_required": "Argument '{name:s}' is required",
-    "app_change_no_change_url_script": "The application {app_name:s} doesn't support changing it's URL yet, you might need to upgrade it.",
-    "app_change_url_failed_nginx_reload": "Failed to reload nginx. Here is the output of 'nginx -t':\n{nginx_errors:s}",
+    "app_already_installed_cant_change_url": "",
+    "app_already_up_to_date": "",
+    "app_argument_choice_invalid": "",
+    "app_argument_invalid": "",
+    "app_argument_required": "",
+    "app_change_no_change_url_script": "",
+    "app_change_url_failed_nginx_reload": "",
     "app_change_url_identical_domains": "The old and new domain/url_path are identical ('{domain:s}{path:s}'), nothing to do.",
     "app_change_url_no_script": "This application '{app_name:s}' doesn't support url modification yet. Maybe you should upgrade the application.",
     "app_change_url_success": "Successfully changed {app:s} url to {domain:s}{path:s}",