Index: chromium-123.0.6312.46/chrome/browser/media/router/media_router_feature.cc
===================================================================
--- chromium-123.0.6312.46.orig/chrome/browser/media/router/media_router_feature.cc
+++ chromium-123.0.6312.46/chrome/browser/media/router/media_router_feature.cc
@@ -59,7 +59,7 @@ BASE_FEATURE(kFallbackToAudioTabMirrorin
 #if BUILDFLAG(IS_CHROMEOS)
              base::FEATURE_DISABLED_BY_DEFAULT);
 #else
-             base::FEATURE_ENABLED_BY_DEFAULT);
+             base::FEATURE_DISABLED_BY_DEFAULT);
 #endif  // BUILDFLAG(IS_CHROMEOS)
 
 BASE_FEATURE(kCastMirroringPlayoutDelay,