From d0b7f0cd4ef65e668222c5e3b51d25b7f580d340 Mon Sep 17 00:00:00 2001
From: Jonah Williams <jonahwilliams@google.com>
Date: Tue, 18 Feb 2020 12:32:46 -0800
Subject: [PATCH] Revert "Animated placeholder perf (#50851)" (#50984)

This reverts commit e4fbb1aba6b3d7a5a66e1c3245faee0072e9fd41.
---
 .../macrobenchmarks/lib/common.dart           |   1 -
 dev/benchmarks/macrobenchmarks/lib/main.dart  |  11 +-
 .../lib/src/animated_placeholder.dart         |  68 --
 .../macrobenchmarks/macos/.gitignore          |   6 -
 .../macos/Runner.xcodeproj/project.pbxproj    | 591 ------------------
 .../contents.xcworkspacedata                  |   7 -
 .../xcshareddata/IDEWorkspaceChecks.plist     |   8 -
 .../xcshareddata/xcschemes/Runner.xcscheme    | 101 ---
 .../contents.xcworkspacedata                  |   7 -
 .../xcshareddata/IDEWorkspaceChecks.plist     |   8 -
 .../macos/Runner/AppDelegate.swift            |  13 -
 .../macos/Runner/Base.lproj/MainMenu.xib      | 339 ----------
 .../macos/Runner/Configs/AppInfo.xcconfig     |  14 -
 .../macos/Runner/Configs/Debug.xcconfig       |   2 -
 .../macos/Runner/Configs/Release.xcconfig     |   2 -
 .../macos/Runner/Configs/Warnings.xcconfig    |  13 -
 .../macos/Runner/DebugProfile.entitlements    |  12 -
 .../macrobenchmarks/macos/Runner/Info.plist   |  32 -
 .../macos/Runner/MainFlutterWindow.swift      |  19 -
 .../macos/Runner/Release.entitlements         |   8 -
 .../animated_placeholder_perf.dart            |  11 -
 .../animated_placeholder_perf_test.dart       |  16 -
 .../bin/tasks/animated_placeholder_perf.dart  |  12 -
 dev/devicelab/lib/tasks/perf_tests.dart       |   9 -
 dev/devicelab/manifest.yaml                   |   8 -
 25 files changed, 1 insertion(+), 1317 deletions(-)
 delete mode 100644 dev/benchmarks/macrobenchmarks/lib/src/animated_placeholder.dart
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/.gitignore
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.pbxproj
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/contents.xcworkspacedata
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/AppDelegate.swift
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Base.lproj/MainMenu.xib
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Configs/AppInfo.xcconfig
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Debug.xcconfig
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Release.xcconfig
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Warnings.xcconfig
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/DebugProfile.entitlements
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Info.plist
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/MainFlutterWindow.swift
 delete mode 100644 dev/benchmarks/macrobenchmarks/macos/Runner/Release.entitlements
 delete mode 100644 dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf.dart
 delete mode 100644 dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf_test.dart
 delete mode 100644 dev/devicelab/bin/tasks/animated_placeholder_perf.dart

diff --git a/dev/benchmarks/macrobenchmarks/lib/common.dart b/dev/benchmarks/macrobenchmarks/lib/common.dart
index 3cd0f4a6d6..3742c1608d 100644
--- a/dev/benchmarks/macrobenchmarks/lib/common.dart
+++ b/dev/benchmarks/macrobenchmarks/lib/common.dart
@@ -10,4 +10,3 @@ const String kSimpleAnimationRouteName = '/simple_animation';
 const String kPictureCacheRouteName = '/picture_cache';
 const String kLargeImagesRouteName = '/large_images';
 const String kTextRouteName = '/text';
-const String kAnimatedPlaceholderRouteName = '/animated_placeholder';
diff --git a/dev/benchmarks/macrobenchmarks/lib/main.dart b/dev/benchmarks/macrobenchmarks/lib/main.dart
index 4576b7a2eb..67b87f9775 100644
--- a/dev/benchmarks/macrobenchmarks/lib/main.dart
+++ b/dev/benchmarks/macrobenchmarks/lib/main.dart
@@ -7,7 +7,6 @@ import 'package:macrobenchmarks/src/large_images.dart';
 import 'package:macrobenchmarks/src/picture_cache.dart';
 
 import 'common.dart';
-import 'src/animated_placeholder.dart';
 import 'src/backdrop_filter.dart';
 import 'src/cubic_bezier.dart';
 import 'src/cull_opacity.dart';
@@ -15,7 +14,7 @@ import 'src/post_backdrop_filter.dart';
 import 'src/simple_animation.dart';
 import 'src/text.dart';
 
-const String kMacrobenchmarks = 'Macrobenchmarks';
+const String kMacrobenchmarks ='Macrobenchmarks';
 
 void main() => runApp(const MacrobenchmarksApp());
 
@@ -37,7 +36,6 @@ class MacrobenchmarksApp extends StatelessWidget {
         kPictureCacheRouteName: (BuildContext context) => PictureCachePage(),
         kLargeImagesRouteName: (BuildContext context) => LargeImagesPage(),
         kTextRouteName: (BuildContext context) => TextPage(),
-        kAnimatedPlaceholderRouteName: (BuildContext context) => AnimatedPlaceholderPage(),
       },
     );
   }
@@ -108,13 +106,6 @@ class HomePage extends StatelessWidget {
               Navigator.pushNamed(context, kTextRouteName);
             },
           ),
-          RaisedButton(
-            key: const Key(kAnimatedPlaceholderRouteName),
-            child: const Text('Animated Placeholder'),
-            onPressed: () {
-              Navigator.pushNamed(context, kAnimatedPlaceholderRouteName);
-            },
-          ),
         ],
       ),
     );
diff --git a/dev/benchmarks/macrobenchmarks/lib/src/animated_placeholder.dart b/dev/benchmarks/macrobenchmarks/lib/src/animated_placeholder.dart
deleted file mode 100644
index 39b2dbce64..0000000000
--- a/dev/benchmarks/macrobenchmarks/lib/src/animated_placeholder.dart
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:ui' as ui show Codec;
-
-import 'package:flutter/foundation.dart';
-import 'package:flutter/material.dart';
-
-/// An animated GIF image with 3 1x1 pixel frames (a red, green, and blue
-/// frames). The GIF animates forever, and each frame has a 100ms delay.
-const String kAnimatedGif = 'R0lGODlhAQABAKEDAAAA//8AAAD/AP///yH/C05FVFNDQVBFMi'
-                            '4wAwEAAAAh+QQACgD/ACwAAAAAAQABAAACAkwBACH5BAAKAP8A'
-                            'LAAAAAABAAEAAAICVAEAIfkEAAoA/wAsAAAAAAEAAQAAAgJEAQ'
-                            'A7';
-
-/// A 50x50 blue square png
-const String kBlueSquare = 'iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAASEl'
-                           'EQVR42u3PMQ0AMAgAsGFjL/4tYQU08JLWQSN/9TsgRERERERERE'
-                           'REREREREREREREREREREREREREREREREREREREREQ2BgNuaUcSj'
-                           'uqqAAAAAElFTkSuQmCC';
-
-/// A 10x10 grid of animated looping placeholder gifts that fade into a
-/// blue square.
-class AnimatedPlaceholderPage extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    return GridView.builder(
-      itemCount: 100,
-      gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 10),
-      itemBuilder: (BuildContext context, int index) {
-        return FadeInImage(
-          placeholder: DelayedBase64Image(Duration.zero, kAnimatedGif),
-          image: DelayedBase64Image(Duration(milliseconds: 100 * index), kBlueSquare),
-        );
-      },
-    );
-  }
-}
-
-int _key = 0;
-/// An image provider that is always unique from other DelayedBase64Images and
-/// simulates a delay in loading.
-class DelayedBase64Image extends ImageProvider<int> {
-  const DelayedBase64Image(this.delay, this.data);
-
-  final String data;
-
-  final Duration delay;
-
-  @override
-  Future<int> obtainKey(ImageConfiguration configuration) {
-    return SynchronousFuture<int>(_key++);
-  }
-
-  @override
-  ImageStreamCompleter load(int key, DecoderCallback decode) {
-    return MultiFrameImageStreamCompleter(
-      codec: Future<ui.Codec>.delayed(
-        delay,
-        () => decode(base64.decode(data)),
-      ),
-      scale: 1.0,
-    );
-  }
-}
diff --git a/dev/benchmarks/macrobenchmarks/macos/.gitignore b/dev/benchmarks/macrobenchmarks/macos/.gitignore
deleted file mode 100644
index d2fd377230..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/.gitignore
+++ /dev/null
@@ -1,6 +0,0 @@
-# Flutter-related
-**/Flutter/ephemeral/
-**/Pods/
-
-# Xcode-related
-**/xcuserdata/
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.pbxproj b/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.pbxproj
deleted file mode 100644
index 9a82f9ba6f..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,591 +0,0 @@
-// !$*UTF8*$!
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-			proxyType = 1;
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-			remoteInfo = FLX;
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diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 764c74b8df..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:/Users/stuartmorgan/src/embedder-opensource/flutter-desktop-embedding/example/macos/Runner.xcodeproj">
-   </FileRef>
-</Workspace>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d981003d..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
deleted file mode 100644
index ca551493b1..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ /dev/null
@@ -1,101 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
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-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
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-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-               BuildableName = "macrobenchmarks.app"
-               BlueprintName = "Runner"
-               ReferencedContainer = "container:Runner.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "00380F9121DF178D00097171"
-               BuildableName = "RunnerUITests.xctest"
-               BlueprintName = "RunnerUITests"
-               ReferencedContainer = "container:Runner.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
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-      <MacroExpansion>
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-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "macrobenchmarks.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
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-      <AdditionalOptions>
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-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "macrobenchmarks.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
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-   <ProfileAction
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-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
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-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "macrobenchmarks.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
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-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 1d526a16ed..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "group:Runner.xcodeproj">
-   </FileRef>
-</Workspace>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d981003d..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/AppDelegate.swift b/dev/benchmarks/macrobenchmarks/macos/Runner/AppDelegate.swift
deleted file mode 100644
index d080d41951..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/AppDelegate.swift
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import Cocoa
-import FlutterMacOS
-
-@NSApplicationMain
-class AppDelegate: FlutterAppDelegate {
-  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
-    return true
-  }
-}
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Base.lproj/MainMenu.xib b/dev/benchmarks/macrobenchmarks/macos/Runner/Base.lproj/MainMenu.xib
deleted file mode 100644
index 537341abf9..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Base.lproj/MainMenu.xib
+++ /dev/null
@@ -1,339 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
-    <dependencies>
-        <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
-            <connections>
-                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
-            </connections>
-        </customObject>
-        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
-        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
-            <connections>
-                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
-                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
-            </connections>
-        </customObject>
-        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
-        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
-            <items>
-                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
-                        <items>
-                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
-                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
-                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
-                            <menuItem title="Services" id="NMo-om-nkz">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
-                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
-                                <connections>
-                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
-                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                <connections>
-                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Show All" id="Kd2-mp-pUS">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
-                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
-                                <connections>
-                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Edit" id="5QF-Oa-p0T">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
-                        <items>
-                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
-                                <connections>
-                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
-                                <connections>
-                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
-                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
-                                <connections>
-                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
-                                <connections>
-                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
-                                <connections>
-                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
-                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                <connections>
-                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Delete" id="pa3-QI-u2k">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
-                                <connections>
-                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
-                            <menuItem title="Find" id="4EN-yA-p0u">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
-                                    <items>
-                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
-                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
-                                            <connections>
-                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
-                                    <items>
-                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
-                                            <connections>
-                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
-                                            <connections>
-                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
-                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Substitutions" id="9ic-FL-obx">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
-                                    <items>
-                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
-                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Links" id="cwL-P1-jid">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
-                                    <items>
-                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Speech" id="xrE-MZ-jX0">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
-                                    <items>
-                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="View" id="H8h-7b-M4v">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="View" id="HyV-fh-RgO">
-                        <items>
-                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
-                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
-                                <connections>
-                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Window" id="aUF-d1-5bR">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
-                        <items>
-                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
-                                <connections>
-                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Zoom" id="R4o-n2-Eq4">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
-                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-            </items>
-            <point key="canvasLocation" x="142" y="-258"/>
-        </menu>
-        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
-            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
-            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
-            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
-                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
-                <autoresizingMask key="autoresizingMask"/>
-            </view>
-        </window>
-    </objects>
-</document>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/AppInfo.xcconfig b/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/AppInfo.xcconfig
deleted file mode 100644
index 288b271b15..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/AppInfo.xcconfig
+++ /dev/null
@@ -1,14 +0,0 @@
-// Application-level settings for the Runner target.
-//
-// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
-// future. If not, the values below would default to using the project name when this becomes a
-// 'flutter create' template.
-
-// The application's name. By default this is also the title of the Flutter window.
-PRODUCT_NAME = macrobenchmarks
-
-// The application's bundle identifier
-PRODUCT_BUNDLE_IDENTIFIER = com.example.macrobenchmarks
-
-// The copyright displayed in application information
-PRODUCT_COPYRIGHT = Copyright © 2020 com.example. All rights reserved.
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Debug.xcconfig b/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Debug.xcconfig
deleted file mode 100644
index 36b0fd9464..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Debug.xcconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "../../Flutter/Flutter-Debug.xcconfig"
-#include "Warnings.xcconfig"
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Release.xcconfig b/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Release.xcconfig
deleted file mode 100644
index dff4f49561..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Release.xcconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "../../Flutter/Flutter-Release.xcconfig"
-#include "Warnings.xcconfig"
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Warnings.xcconfig b/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Warnings.xcconfig
deleted file mode 100644
index 42bcbf4780..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Configs/Warnings.xcconfig
+++ /dev/null
@@ -1,13 +0,0 @@
-WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
-GCC_WARN_UNDECLARED_SELECTOR = YES
-CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
-CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
-CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
-CLANG_WARN_PRAGMA_PACK = YES
-CLANG_WARN_STRICT_PROTOTYPES = YES
-CLANG_WARN_COMMA = YES
-GCC_WARN_STRICT_SELECTOR_MATCH = YES
-CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
-CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
-GCC_WARN_SHADOW = YES
-CLANG_WARN_UNREACHABLE_CODE = YES
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/DebugProfile.entitlements b/dev/benchmarks/macrobenchmarks/macos/Runner/DebugProfile.entitlements
deleted file mode 100644
index dddb8a30c8..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/DebugProfile.entitlements
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.security.app-sandbox</key>
-	<true/>
-	<key>com.apple.security.cs.allow-jit</key>
-	<true/>
-	<key>com.apple.security.network.server</key>
-	<true/>
-</dict>
-</plist>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Info.plist b/dev/benchmarks/macrobenchmarks/macos/Runner/Info.plist
deleted file mode 100644
index 4789daa6a4..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Info.plist
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIconFile</key>
-	<string></string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSMinimumSystemVersion</key>
-	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
-	<key>NSHumanReadableCopyright</key>
-	<string>$(PRODUCT_COPYRIGHT)</string>
-	<key>NSMainNibFile</key>
-	<string>MainMenu</string>
-	<key>NSPrincipalClass</key>
-	<string>NSApplication</string>
-</dict>
-</plist>
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/MainFlutterWindow.swift b/dev/benchmarks/macrobenchmarks/macos/Runner/MainFlutterWindow.swift
deleted file mode 100644
index a97a96274e..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/MainFlutterWindow.swift
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import Cocoa
-import FlutterMacOS
-
-class MainFlutterWindow: NSWindow {
-  override func awakeFromNib() {
-    let flutterViewController = FlutterViewController.init()
-    let windowFrame = self.frame
-    self.contentViewController = flutterViewController
-    self.setFrame(windowFrame, display: true)
-
-    RegisterGeneratedPlugins(registry: flutterViewController)
-
-    super.awakeFromNib()
-  }
-}
diff --git a/dev/benchmarks/macrobenchmarks/macos/Runner/Release.entitlements b/dev/benchmarks/macrobenchmarks/macos/Runner/Release.entitlements
deleted file mode 100644
index 852fa1a472..0000000000
--- a/dev/benchmarks/macrobenchmarks/macos/Runner/Release.entitlements
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.security.app-sandbox</key>
-	<true/>
-</dict>
-</plist>
diff --git a/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf.dart b/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf.dart
deleted file mode 100644
index 8169d132b6..0000000000
--- a/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf.dart
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:flutter_driver/driver_extension.dart';
-import 'package:macrobenchmarks/main.dart' as app;
-
-void main() {
-  enableFlutterDriverExtension();
-  app.main();
-}
diff --git a/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf_test.dart b/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf_test.dart
deleted file mode 100644
index 7e6ca0cc8a..0000000000
--- a/dev/benchmarks/macrobenchmarks/test_driver/animated_placeholder_perf_test.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:macrobenchmarks/common.dart';
-
-import 'util.dart';
-
-void main() {
-  macroPerfTest(
-    'animated_placeholder_perf',
-    kAnimatedPlaceholderRouteName,
-    pageDelay: const Duration(seconds: 1),
-    duration: const Duration(seconds: 15),
-  );
-}
diff --git a/dev/devicelab/bin/tasks/animated_placeholder_perf.dart b/dev/devicelab/bin/tasks/animated_placeholder_perf.dart
deleted file mode 100644
index d5d52acbeb..0000000000
--- a/dev/devicelab/bin/tasks/animated_placeholder_perf.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:flutter_devicelab/framework/adb.dart';
-import 'package:flutter_devicelab/framework/framework.dart';
-import 'package:flutter_devicelab/tasks/perf_tests.dart';
-
-Future<void> main() async {
-  deviceOperatingSystem = DeviceOperatingSystem.android;
-  await task(createAnimatedPlaceholderPerfTest());
-}
diff --git a/dev/devicelab/lib/tasks/perf_tests.dart b/dev/devicelab/lib/tasks/perf_tests.dart
index d2a1485e5b..529eadc47d 100644
--- a/dev/devicelab/lib/tasks/perf_tests.dart
+++ b/dev/devicelab/lib/tasks/perf_tests.dart
@@ -81,15 +81,6 @@ TaskFunction createSimpleAnimationPerfTest({bool needsMeasureCpuGpu = false}) {
   ).run;
 }
 
-TaskFunction createAnimatedPlaceholderPerfTest({bool needsMeasureCpuGpu = false}) {
-  return PerfTest(
-    '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',
-    'test_driver/animated_placeholder_perf.dart',
-    'animated_placeholder_perf',
-    needsMeasureCpuGPu: needsMeasureCpuGpu,
-  ).run;
-}
-
 TaskFunction createPictureCachePerfTest() {
   return PerfTest(
     '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',
diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 69cf346c98..81a78c364e 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -700,14 +700,6 @@ tasks:
     stage: devicelab
     required_agent_capabilities: ["mac/android"]
 
-  animated_placeholder_perf:
-    description: >
-      Measures frame build and rasterizer times, as well as frame build counts
-      for a grid of images that uses FadeInImage with an animated gif as the
-      placeholder.
-    stage: devicelab
-    required_agent_capabilities: ["linux/android"]
-
   analyzer_benchmark:
     description: >
       Measures the speed of Dart analyzer.