--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -5818,21 +5818,17 @@ pref("dom.clients.openwindow_favors_same
 pref("toolkit.crashreporter.include_context_heap", false);
 #else
 pref("toolkit.crashreporter.include_context_heap", true);
 #endif
 
 // Open noopener links in a new process
 pref("dom.noopener.newprocess.enabled", true);
 
-#if defined(XP_WIN) || defined(XP_MACOSX) || defined(MOZ_WIDGET_GTK)
 pref("layers.omtp.enabled", true);
-#else
-pref("layers.omtp.enabled", false);
-#endif
 pref("layers.omtp.paint-workers", -1);
 pref("layers.omtp.release-capture-on-main-thread", false);
 pref("layers.omtp.dump-capture", false);
 
 // Limits the depth of recursive conversion of data when opening
 // a content to view.  This is mostly intended to prevent infinite
 // loops with faulty converters involved.
 pref("general.document_open_conversion_depth_limit", 20);