--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -5720,23 +5720,19 @@ pref("dom.timeout.max_consecutive_callba
 // Use this preference to house "Payment Request API" during development
 pref("dom.payments.request.enabled", false);
 
 #ifdef FUZZING
 pref("fuzzing.enabled", false);
 #endif
 
 #if defined(XP_WIN)
-#if defined(NIGHTLY_BUILD)
-pref("layers.mlgpu.dev-enabled", true);
-#else
 pref("layers.mlgpu.dev-enabled", false);
-#endif
-
-// Both this and the master "enabled" pref must be on to use Advanced Layers
+
+// Both this and the master "enabled" pref must be on to use Advanced LAyers
 // on Windows 7.
 pref("layers.mlgpu.enable-on-windows7", false);
 #endif
 
 // Set advanced layers preferences here to have them show up in about:config or
 // to be overridable in reftest.list files. They should pretty much all be set
 // to a value of 2, and the conditional-pref code in gfxPrefs.h will convert
 // it to a boolean as appropriate. In particular, do NOT add ifdefs here to