deleted file mode 100644
--- a/gfx/metrics.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# This file defines the metrics that are recorded by the Glean SDK. They are
-# automatically converted to platform-specific code at build time using the
-# `glean_parser` PyPI package.
-
----
-$schema: moz://mozilla.org/schemas/glean/metrics/2-0-0
-
-paint:
-  build_displaylist_time:
-    type: timing_distribution
-    description: >
-      The time to build a Gecko display list.
-    bugs:
-      - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423
-    data_reviews:
-      - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423
-    data_sensitivity:
-      - technical
-    notification_emails:
-      - gfx-telemetry-alerts@mozilla.com
-      - mwoodrow@mozilla.com
-    expires: never
-    telemetry_mirror: PAINT_BUILD_DISPLAYLIST_TIME

--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -29,17 +29,16 @@
 #include "LayoutLogging.h"
 #include "MobileViewportManager.h"
 #include "mozilla/AccessibleCaretEventHub.h"
 #include "mozilla/ArrayUtils.h"
 #include "mozilla/BasicEvents.h"
 #include "mozilla/ClearOnShutdown.h"
 #include "mozilla/DisplayPortUtils.h"
 #include "mozilla/GeckoBindings.h"
-#include "mozilla/glean/GleanMetrics.h"
 #include "mozilla/dom/AnonymousContent.h"
 #include "mozilla/dom/BrowserChild.h"
 #include "mozilla/dom/CanvasUtils.h"
 #include "mozilla/dom/Document.h"
 #include "mozilla/dom/DocumentInlines.h"
 #include "mozilla/dom/DOMRect.h"
 #include "mozilla/dom/DOMStringList.h"
 #include "mozilla/dom/Element.h"
@@ -3093,17 +3092,16 @@ void nsLayoutUtils::PaintFrame(gfxContex
       NS_ASSERTION(aRenderingContext, "need a rendering context");
     }
   }
 
   nsPresContext* presContext = aFrame->PresContext();
   PresShell* presShell = presContext->PresShell();
 
   TimeStamp startBuildDisplayList = TimeStamp::Now();
-  auto dlTimerId = mozilla::glean::paint::build_displaylist_time.Start();
 
   const bool buildCaret = !(aFlags & PaintFrameFlags::HideCaret);
 
   // Note that isForPainting here does not include the PaintForPrinting builder
   // mode; that's OK because there is no point in using retained display lists
   // for a print destination.
   const bool isForPainting = (aFlags & PaintFrameFlags::WidgetLayers) &&
                              aBuilderMode == nsDisplayListBuilderMode::Painting;
@@ -3381,18 +3379,19 @@ void nsLayoutUtils::PaintFrame(gfxContex
     builder->IncrementPresShellPaintCount(presShell);
   }
 
   MOZ_ASSERT(updateState != PartialUpdateResult::Failed);
   builder->Check();
 
   const double geckoDLBuildTime =
       (TimeStamp::Now() - startBuildDisplayList).ToMilliseconds();
-  mozilla::glean::paint::build_displaylist_time.StopAndAccumulate(
-      std::move(dlTimerId));
+
+  Telemetry::Accumulate(Telemetry::PAINT_BUILD_DISPLAYLIST_TIME,
+                        geckoDLBuildTime);
 
   bool consoleNeedsDisplayList =
       (gfxUtils::DumpDisplayList() || gfxEnv::DumpPaint()) &&
       builder->IsInActiveDocShell();
 #ifdef MOZ_DUMP_PAINTING
   FILE* savedDumpFile = gfxUtils::sDumpPaintFile;
 #endif
 

--- a/toolkit/components/glean/metrics_index.py
+++ b/toolkit/components/glean/metrics_index.py
@@ -6,17 +6,16 @@
 
 # The list of all Glean metrics.yaml files, relative to the top src dir.
 # New additions should be added to the bottom of the list.
 metrics_yamls = [
     "toolkit/components/glean/metrics.yaml",
     "toolkit/components/glean/tests/test_metrics.yaml",
     "toolkit/mozapps/update/metrics.yaml",
     "browser/base/content/metrics.yaml",
-    "gfx/metrics.yaml",
 ]
 
 # The list of all Glean pings.yaml files, relative to the top src dir.
 # New additions should be added to the bottom of the list.
 pings_yamls = [
     "toolkit/components/glean/pings.yaml",
     "toolkit/components/glean/tests/test_pings.yaml",
     "toolkit/mozapps/update/pings.yaml",