diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index fd6fcb3299be..57934ca0af65 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -4631,11 +4631,6 @@ pref("media.gmp.insecure.allow", false);
 #if defined(XP_MACOSX) || defined(XP_WIN)
 pref("gfx.vsync.hw-vsync.enabled", true);
 pref("gfx.vsync.compositor", true);
-#endif
-
-#if defined(XP_MACOSX)
-pref("gfx.vsync.refreshdriver", true);
-#else
 pref("gfx.vsync.refreshdriver", false);
 #endif