diff --git a/app/controllers/metadata_controller.rb b/app/controllers/metadata_controller.rb
index 78d84c9b732..6e157cc5961 100644
--- a/app/controllers/metadata_controller.rb
+++ b/app/controllers/metadata_controller.rb
@@ -25,7 +25,6 @@ class MetadataController < ApplicationController
       name: SiteSetting.title,
       short_name: SiteSetting.title,
       display: display,
-      orientation: 'any',
       start_url: Discourse.base_uri.present? ? "#{Discourse.base_uri}/" : '.',
       background_color: "##{ColorScheme.hex_for_name('secondary', view_context.scheme_id)}",
       theme_color: "##{ColorScheme.hex_for_name('header_background', view_context.scheme_id)}",