diff --git a/dom/media/AudioStream.cpp b/dom/media/AudioStream.cpp
index 730a59312b9d..cb161c2b9f43 100644
--- a/dom/media/AudioStream.cpp
+++ b/dom/media/AudioStream.cpp
@@ -16,7 +16,6 @@
 #include "mozilla/Sprintf.h"
 #include "mozilla/Unused.h"
 #include <algorithm>
-#include "mozilla/Telemetry.h"
 #include "CubebUtils.h"
 #include "nsNativeCharsetUtils.h"
 #include "nsPrintfCString.h"
diff --git a/dom/media/Benchmark.cpp b/dom/media/Benchmark.cpp
index c70c53d50541..f2818a82813a 100644
--- a/dom/media/Benchmark.cpp
+++ b/dom/media/Benchmark.cpp
@@ -19,7 +19,6 @@
 #include "mozilla/StaticMutex.h"
 #include "mozilla/StaticPrefs_media.h"
 #include "mozilla/TaskQueue.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/dom/ContentChild.h"
 #include "mozilla/gfx/gfxVars.h"
 #include "nsGkAtoms.h"
diff --git a/dom/media/MediaCache.cpp b/dom/media/MediaCache.cpp
index 41d51a49cc0f..d4d5419c384d 100644
--- a/dom/media/MediaCache.cpp
+++ b/dom/media/MediaCache.cpp
@@ -21,7 +21,6 @@
 #include "mozilla/StaticPtr.h"
 #include "mozilla/StaticPrefs_browser.h"
 #include "mozilla/StaticPrefs_media.h"
-#include "mozilla/Telemetry.h"
 #include "nsContentUtils.h"
 #include "nsINetworkLinkService.h"
 #include "nsIObserverService.h"
diff --git a/dom/media/MediaDecoderStateMachine.cpp b/dom/media/MediaDecoderStateMachine.cpp
index 38808bafbddb..14219454520d 100644
--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -37,7 +37,6 @@
 #include "mozilla/Sprintf.h"
 #include "mozilla/StaticPrefs_media.h"
 #include "mozilla/TaskQueue.h"
-#include "mozilla/Telemetry.h"
 #include "nsIMemoryReporter.h"
 #include "nsPrintfCString.h"
 #include "nsTArray.h"
diff --git a/dom/media/VideoFrameContainer.cpp b/dom/media/VideoFrameContainer.cpp
index f7471cdcca2f..f34a74afb3f9 100644
--- a/dom/media/VideoFrameContainer.cpp
+++ b/dom/media/VideoFrameContainer.cpp
@@ -10,7 +10,6 @@
 #  include "GLImages.h"  // for SurfaceTextureImage
 #endif
 #include "MediaDecoderOwner.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/AbstractThread.h"
 
 using namespace mozilla::layers;
@@ -18,27 +17,6 @@ using namespace mozilla::layers;
 namespace mozilla {
 #define NS_DispatchToMainThread(...) CompileError_UseAbstractMainThreadInstead
 
-namespace {
-template <Telemetry::HistogramID ID>
-class AutoTimer {
-  // Set a threshold to reduce performance overhead
-  // for we're measuring hot spots.
-  static const uint32_t sThresholdMS = 1000;
-
- public:
-  ~AutoTimer() {
-    auto end = TimeStamp::Now();
-    auto diff = uint32_t((end - mStart).ToMilliseconds());
-    if (diff > sThresholdMS) {
-      Telemetry::Accumulate(ID, diff);
-    }
-  }
-
- private:
-  const TimeStamp mStart = TimeStamp::Now();
-};
-}  // namespace
-
 VideoFrameContainer::VideoFrameContainer(
     MediaDecoderOwner* aOwner, already_AddRefed<ImageContainer> aContainer)
     : mOwner(aOwner),
diff --git a/dom/media/eme/DetailedPromise.cpp b/dom/media/eme/DetailedPromise.cpp
index 0692a1dd07e6..47aca1083c2e 100644
--- a/dom/media/eme/DetailedPromise.cpp
+++ b/dom/media/eme/DetailedPromise.cpp
@@ -14,26 +14,13 @@ namespace mozilla::dom {
 
 DetailedPromise::DetailedPromise(nsIGlobalObject* aGlobal,
                                  const nsACString& aName)
-    : Promise(aGlobal),
-      mName(aName),
-      mResponded(false),
-      mStartTime(TimeStamp::Now()) {}
-
-DetailedPromise::DetailedPromise(nsIGlobalObject* aGlobal,
-                                 const nsACString& aName,
-                                 Telemetry::HistogramID aSuccessLatencyProbe,
-                                 Telemetry::HistogramID aFailureLatencyProbe)
-    : DetailedPromise(aGlobal, aName) {
-  mSuccessLatencyProbe.Construct(aSuccessLatencyProbe);
-  mFailureLatencyProbe.Construct(aFailureLatencyProbe);
-}
+    : Promise(aGlobal), mName(aName), mStartTime(TimeStamp::Now()) {}
 
 DetailedPromise::~DetailedPromise() {
   // It would be nice to assert that mResponded is identical to
   // GetPromiseState() == PromiseState::Rejected.  But by now we've been
   // unlinked, so don't have a reference to our actual JS Promise object
   // anymore.
-  MaybeReportTelemetry(kFailed);
 }
 
 void DetailedPromise::LogRejectionReason(uint32_t aErrorCode,
@@ -42,8 +29,6 @@ void DetailedPromise::LogRejectionReason(uint32_t aErrorCode,
                       aErrorCode, PromiseFlatCString(aReason).get());
   EME_LOG("%s", msg.get());
 
-  MaybeReportTelemetry(kFailed);
-
   LogToBrowserConsole(NS_ConvertUTF8toUTF16(msg));
 }
 
@@ -67,21 +52,4 @@ already_AddRefed<DetailedPromise> DetailedPromise::Create(
   return aRv.Failed() ? nullptr : promise.forget();
 }
 
-void DetailedPromise::MaybeReportTelemetry(eStatus aStatus) {
-  if (mResponded) {
-    return;
-  }
-  mResponded = true;
-  if (!mSuccessLatencyProbe.WasPassed() || !mFailureLatencyProbe.WasPassed()) {
-    return;
-  }
-  uint32_t latency = (TimeStamp::Now() - mStartTime).ToMilliseconds();
-  EME_LOG("%s %s latency %ums reported via telemetry", mName.get(),
-          ((aStatus == kSucceeded) ? "succcess" : "failure"), latency);
-  Telemetry::HistogramID tid = (aStatus == kSucceeded)
-                                   ? mSuccessLatencyProbe.Value()
-                                   : mFailureLatencyProbe.Value();
-  Telemetry::Accumulate(tid, latency);
-}
-
 }  // namespace mozilla::dom
diff --git a/dom/media/eme/DetailedPromise.h b/dom/media/eme/DetailedPromise.h
index 02c774755f52..7696bfebc073 100644
--- a/dom/media/eme/DetailedPromise.h
+++ b/dom/media/eme/DetailedPromise.h
@@ -8,7 +8,6 @@
 #define __DetailedPromise_h__
 
 #include "mozilla/dom/Promise.h"
-#include "mozilla/Telemetry.h"
 #include "EMEUtils.h"
 
 namespace mozilla::dom {
@@ -27,7 +26,6 @@ class DetailedPromise : public Promise {
   template <typename T>
   void MaybeResolve(T&& aArg) {
     EME_LOG("%s promise resolved", mName.get());
-    MaybeReportTelemetry(eStatus::kSucceeded);
     Promise::MaybeResolve(std::forward<T>(aArg));
   }
 
@@ -83,20 +81,13 @@ class DetailedPromise : public Promise {
  private:
   explicit DetailedPromise(nsIGlobalObject* aGlobal, const nsACString& aName);
 
-  explicit DetailedPromise(nsIGlobalObject* aGlobal, const nsACString& aName,
-                           Telemetry::HistogramID aSuccessLatencyProbe,
-                           Telemetry::HistogramID aFailureLatencyProbe);
   virtual ~DetailedPromise();
 
   enum eStatus { kSucceeded, kFailed };
-  void MaybeReportTelemetry(eStatus aStatus);
   void LogRejectionReason(uint32_t aErrorCode, const nsACString& aReason);
 
   nsCString mName;
-  bool mResponded;
   TimeStamp mStartTime;
-  Optional<Telemetry::HistogramID> mSuccessLatencyProbe;
-  Optional<Telemetry::HistogramID> mFailureLatencyProbe;
 };
 
 }  // namespace mozilla::dom
diff --git a/dom/media/eme/MediaKeys.cpp b/dom/media/eme/MediaKeys.cpp
index 724576567e38..7fc69bc5d70a 100644
--- a/dom/media/eme/MediaKeys.cpp
+++ b/dom/media/eme/MediaKeys.cpp
@@ -10,7 +10,6 @@
 #include "GMPCrashHelper.h"
 #include "mozilla/EMEUtils.h"
 #include "mozilla/JSONStringWriteFuncs.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/dom/DOMException.h"
 #include "mozilla/dom/Document.h"
 #include "mozilla/dom/HTMLMediaElement.h"
diff --git a/dom/media/encoder/TrackEncoder.cpp b/dom/media/encoder/TrackEncoder.cpp
index 8e03fd6fe3cf..a64dafd125d4 100644
--- a/dom/media/encoder/TrackEncoder.cpp
+++ b/dom/media/encoder/TrackEncoder.cpp
@@ -14,7 +14,6 @@
 #include "mozilla/ProfilerLabels.h"
 #include "mozilla/RollingMean.h"
 #include "VideoUtils.h"
-#include "mozilla/Telemetry.h"
 
 namespace mozilla {
 
diff --git a/dom/media/gmp/GMPServiceParent.cpp b/dom/media/gmp/GMPServiceParent.cpp
index 9bc353b04ac2..582daffe594c 100644
--- a/dom/media/gmp/GMPServiceParent.cpp
+++ b/dom/media/gmp/GMPServiceParent.cpp
@@ -30,7 +30,6 @@
 #include "mozilla/SpinEventLoopUntil.h"
 #include "mozilla/StaticPrefs_media.h"
 #include "mozilla/SyncRunnable.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/Unused.h"
 #if defined(XP_WIN)
 #  include "mozilla/UntrustedModulesData.h"
diff --git a/dom/media/ipc/RemoteVideoDecoder.cpp b/dom/media/ipc/RemoteVideoDecoder.cpp
index c73c8afc940d..1d2c1513bc4b 100644
--- a/dom/media/ipc/RemoteVideoDecoder.cpp
+++ b/dom/media/ipc/RemoteVideoDecoder.cpp
@@ -22,7 +22,6 @@
 #include "RemoteDecoderManagerParent.h"
 #include "RemoteImageHolder.h"
 #include "mozilla/StaticPrefs_media.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/layers/ImageClient.h"
 #include "mozilla/layers/TextureClient.h"
 #include "mozilla/layers/VideoBridgeChild.h"
diff --git a/dom/media/mediacontrol/ContentMediaController.cpp b/dom/media/mediacontrol/ContentMediaController.cpp
index 1818e5cfa310..807e9c4a357f 100644
--- a/dom/media/mediacontrol/ContentMediaController.cpp
+++ b/dom/media/mediacontrol/ContentMediaController.cpp
@@ -7,7 +7,6 @@
 #include "MediaControlUtils.h"
 #include "mozilla/ClearOnShutdown.h"
 #include "mozilla/StaticPtr.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/ToString.h"
 #include "mozilla/dom/BrowsingContext.h"
 #include "mozilla/dom/CanonicalBrowsingContext.h"
diff --git a/dom/media/mediacontrol/ContentPlaybackController.cpp b/dom/media/mediacontrol/ContentPlaybackController.cpp
index 0bd0082a67f7..894ad6c992a3 100644
--- a/dom/media/mediacontrol/ContentPlaybackController.cpp
+++ b/dom/media/mediacontrol/ContentPlaybackController.cpp
@@ -9,7 +9,6 @@
 #include "mozilla/dom/MediaSession.h"
 #include "mozilla/dom/Navigator.h"
 #include "mozilla/dom/WindowContext.h"
-#include "mozilla/Telemetry.h"
 #include "nsFocusManager.h"
 
 // avoid redefined macro in unified build
diff --git a/dom/media/mediacontrol/MediaControlService.cpp b/dom/media/mediacontrol/MediaControlService.cpp
index fd42715b41a7..e7dca87fbaab 100644
--- a/dom/media/mediacontrol/MediaControlService.cpp
+++ b/dom/media/mediacontrol/MediaControlService.cpp
@@ -12,7 +12,6 @@
 #include "mozilla/Services.h"
 #include "mozilla/StaticPrefs_media.h"
 #include "mozilla/StaticPtr.h"
-#include "mozilla/Telemetry.h"
 #include "nsIObserverService.h"
 #include "nsXULAppAPI.h"
 
diff --git a/dom/media/mp4/MP4Demuxer.cpp b/dom/media/mp4/MP4Demuxer.cpp
index c6f3b104d19c..b397e571603a 100644
--- a/dom/media/mp4/MP4Demuxer.cpp
+++ b/dom/media/mp4/MP4Demuxer.cpp
@@ -22,7 +22,6 @@
 #include "VPXDecoder.h"
 #include "mozilla/Span.h"
 #include "mozilla/StaticPrefs_media.h"
-#include "mozilla/Telemetry.h"
 #include "nsPrintfCString.h"
 #include "SampleIterator.h"
 
diff --git a/dom/media/mp4/MP4Metadata.cpp b/dom/media/mp4/MP4Metadata.cpp
index 8eb272a46342..5f1749fdc4ce 100644
--- a/dom/media/mp4/MP4Metadata.cpp
+++ b/dom/media/mp4/MP4Metadata.cpp
@@ -7,7 +7,6 @@
 #include "mozilla/EndianUtils.h"
 #include "mozilla/Logging.h"
 #include "mozilla/RefPtr.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/UniquePtr.h"
 #include "VideoUtils.h"
 #include "MoofParser.h"
diff --git a/dom/media/ogg/OggDemuxer.cpp b/dom/media/ogg/OggDemuxer.cpp
index effaf197c33a..ff7b196a5ae1 100644
--- a/dom/media/ogg/OggDemuxer.cpp
+++ b/dom/media/ogg/OggDemuxer.cpp
@@ -16,7 +16,6 @@
 #include "mozilla/ScopeExit.h"
 #include "mozilla/SchedulerGroup.h"
 #include "mozilla/SharedThreadPool.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/TimeStamp.h"
 #include "nsDebug.h"
 #include "nsAutoRef.h"
diff --git a/dom/media/platforms/ffmpeg/FFmpegAudioDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegAudioDecoder.cpp
index 69d8b423039d..18cf8c591f67 100644
--- a/dom/media/platforms/ffmpeg/FFmpegAudioDecoder.cpp
+++ b/dom/media/platforms/ffmpeg/FFmpegAudioDecoder.cpp
@@ -17,7 +17,6 @@
 #  include "libavutil/channel_layout.h"
 #endif
 #include "mozilla/StaticPrefs_media.h"
-#include "mozilla/Telemetry.h"
 
 namespace mozilla {
 
diff --git a/dom/media/platforms/wmf/WMFAudioMFTManager.cpp b/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
index 63db5efae805..eca9f271da54 100644
--- a/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
+++ b/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
@@ -11,7 +11,6 @@
 #include "WMFUtils.h"
 #include "mozilla/AbstractThread.h"
 #include "mozilla/Logging.h"
-#include "mozilla/Telemetry.h"
 #include "nsTArray.h"
 #include "BufferReader.h"
 #include "mozilla/ScopeExit.h"
diff --git a/dom/media/platforms/wmf/WMFMediaDataDecoder.cpp b/dom/media/platforms/wmf/WMFMediaDataDecoder.cpp
index 19dab1d27c0a..0438ced7edbc 100644
--- a/dom/media/platforms/wmf/WMFMediaDataDecoder.cpp
+++ b/dom/media/platforms/wmf/WMFMediaDataDecoder.cpp
@@ -12,7 +12,6 @@
 #include "mozilla/ProfilerMarkers.h"
 #include "mozilla/SyncRunnable.h"
 #include "mozilla/TaskQueue.h"
-#include "mozilla/Telemetry.h"
 #include "nsTArray.h"
 
 #define LOG(...) MOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
diff --git a/dom/media/webaudio/AudioDestinationNode.cpp b/dom/media/webaudio/AudioDestinationNode.cpp
index a3ad67b93774..6e3fb54830c9 100644
--- a/dom/media/webaudio/AudioDestinationNode.cpp
+++ b/dom/media/webaudio/AudioDestinationNode.cpp
@@ -21,8 +21,6 @@
 #include "mozilla/dom/ScriptSettings.h"
 #include "mozilla/dom/WakeLock.h"
 #include "mozilla/dom/power/PowerManagerService.h"
-#include "mozilla/Telemetry.h"
-#include "mozilla/TelemetryHistogramEnums.h"
 #include "nsContentUtils.h"
 #include "nsGlobalWindowInner.h"
 #include "Tracing.h"