diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index e70ad0bb..0b875af4 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -252,12 +252,6 @@ const char kHardwareVideoDecodeFrameRate[] = "hardware-video-decode-framerate";
 
 namespace media {
 
-#if BUILDFLAG(ENABLE_PLATFORM_HEVC) && BUILDFLAG(IS_ANDROID)
-// Enables android HW decoding of HEVC content.
-const base::Feature kMediaCodecHEVC{"MediaCodecHEVC",
-                                    base::FEATURE_DISABLED_BY_DEFAULT};
-#endif  // BUILDFLAG(ENABLE_PLATFORM_HEVC) && BUILDFLAG(IS_ANDROID)
-
 // Prefer FFmpeg to LibVPX for Vp8 decoding with opaque alpha mode.
 const base::Feature kFFmpegDecodeOpaqueVP8{"FFmpegDecodeOpaqueVP8",
                                            base::FEATURE_ENABLED_BY_DEFAULT};
@@ -280,6 +274,15 @@ const base::Feature kPictureInPicture {
 #endif
 };
 
+#if BUILDFLAG(ENABLE_PLATFORM_HEVC) &&                                       \
+    (BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS) || \
+     BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX))
+// Enables HEVC hardware accelerated decoding.
+const base::Feature kPlatformHEVCDecoderSupport{
+    "PlatformHEVCDecoderSupport", base::FEATURE_ENABLED_BY_DEFAULT};
+#endif  // BUILDFLAG(ENABLE_PLATFORM_HEVC) && (IS_ANDROID || IS_WIN || IS_CROS
+        // || IS_MAC || IS_LINUX)
+
 // Only decode preload=metadata elements upon visibility.
 // TODO(crbug.com/879406): Remove this after M76 ships to stable
 const base::Feature kPreloadMetadataLazyLoad{"PreloadMetadataLazyLoad",
@@ -608,7 +611,7 @@ const base::Feature kLiveCaption{"LiveCaption",
 // tab instead" button is shown for chrome.desktopCapture captures.
 const base::Feature kShareThisTabInsteadButtonGetDisplayMedia{
     "ShareThisTabInsteadButtonGetDisplayMedia",
-    base::FEATURE_ENABLED_BY_DEFAULT};
+    base::FEATURE_DISABLED_BY_DEFAULT};
 
 // If kShareThisTabInsteadButtonGetDisplayMedia is ENABLED, this flag controls
 // whether a "Share this tab instead" button should be enabled for
@@ -628,7 +631,7 @@ const base::Feature kSpeakerChangeDetection{"SpeakerChangeDetection",
 
 // Live Caption can be used in multiple languages, as opposed to just English.
 const base::Feature kLiveCaptionMultiLanguage{
-    "LiveCaptionMultiLanguage", base::FEATURE_ENABLED_BY_DEFAULT};
+    "LiveCaptionMultiLanguage", base::FEATURE_DISABLED_BY_DEFAULT};
 
 // Live Caption runs system-wide on ChromeOS, as opposed to just in the browser.
 const base::Feature kLiveCaptionSystemWideOnChromeOS{
@@ -800,12 +803,6 @@ const base::Feature kUseAlternateVideoDecoderImplementation{
 #endif  // BUILDFLAG(USE_CHROMEOS_MEDIA_ACCELERATION)
 
 #if BUILDFLAG(IS_MAC)
-
-#if BUILDFLAG(ENABLE_PLATFORM_HEVC_DECODING)
-const base::Feature kVideoToolboxHEVCDecoding{
-    "VideoToolboxHEVCDecoding", base::FEATURE_DISABLED_BY_DEFAULT};
-#endif  // BUILDFLAG(ENABLE_PLATFORM_HEVC_DECODING)
-
 // Enable binding multiple shared images to a single GpuMemoryBuffer for
 // accelerated video decode using VideoToolbox.
 const base::Feature kMultiPlaneVideoToolboxSharedImages{
@@ -871,10 +868,6 @@ const base::Feature kMediaFoundationClearPlayback{
 const base::Feature MEDIA_EXPORT kWasapiRawAudioCapture{
     "WASAPIRawAudioCapture", base::FEATURE_ENABLED_BY_DEFAULT};
 
-// Enables HEVC hardware accelerated decoding.
-const base::Feature kD3D11HEVCDecoding{"D3D11HEVCDecoding",
-                                       base::FEATURE_ENABLED_BY_DEFAULT};
-
 // Enable VP9 kSVC decoding with HW decoder for webrtc use case on Windows.
 const base::Feature kD3D11Vp9kSVCHWDecoding{"D3D11Vp9kSVCHWDecoding",
                                             base::FEATURE_ENABLED_BY_DEFAULT};
@@ -919,7 +912,7 @@ const base::FeatureParam<MediaFoundationClearRenderingStrategy>
 
 #if BUILDFLAG(IS_CHROMEOS)
 const base::Feature MEDIA_EXPORT kDeprecateLowUsageCodecs{
-    "DeprecateLowUsageCodecs", base::FEATURE_ENABLED_BY_DEFAULT};
+    "DeprecateLowUsageCodecs", base::FEATURE_DISABLED_BY_DEFAULT};
 #endif  // BUILDFLAG(IS_CHROMEOS)
 
 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)