diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -7565,11 +7565,7 @@
   # acceleration for decoding.
 -   name: media.navigator.mediadatadecoder_vpx_enabled
     type: RelaxedAtomicBool
-  #if defined(NIGHTLY_BUILD)
     value: true
-  #else
-    value: false
-  #endif
     mirror: always
 
   # Use MediaDataDecoder API for H264 in WebRTC. This includes hardware