diff --git a/lib/ui/ui_benchmarks.cc b/lib/ui/ui_benchmarks.cc
index 293251400bcd3..9c0a189f31531 100644
--- a/lib/ui/ui_benchmarks.cc
+++ b/lib/ui/ui_benchmarks.cc
@@ -21,7 +21,7 @@ class Fixture : public testing::FixtureTest {
 static void BM_PlatformMessageResponseDartComplete(
     benchmark::State& state) {  // NOLINT
   ThreadHost thread_host("test",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
diff --git a/lib/ui/window/platform_configuration.h b/lib/ui/window/platform_configuration.h
index 693ec18bcbd95..bec513c9e2a1f 100644
--- a/lib/ui/window/platform_configuration.h
+++ b/lib/ui/window/platform_configuration.h
@@ -312,9 +312,9 @@ class PlatformConfiguration final {
   ///             The frame time given as the argument indicates the point at
   ///             which the current frame interval began. It is very slightly
   ///             (because of scheduling overhead) in the past. If a new layer
-  ///             tree is not produced and given to the GPU task runner within
-  ///             one frame interval from this point, the Flutter application
-  ///             will jank.
+  ///             tree is not produced and given to the raster task runner
+  ///             within one frame interval from this point, the Flutter
+  ///             application will jank.
   ///
   ///             This method calls the `::_beginFrame` method in `hooks.dart`.
   ///
@@ -328,13 +328,13 @@ class PlatformConfiguration final {
   /// @brief      Dart code cannot fully measure the time it takes for a
   ///             specific frame to be rendered. This is because Dart code only
   ///             runs on the UI task runner. That is only a small part of the
-  ///             overall frame workload. The GPU task runner frame workload is
-  ///             executed on a thread where Dart code cannot run (and hence
+  ///             overall frame workload. The raster task runner frame workload
+  ///             is executed on a thread where Dart code cannot run (and hence
   ///             instrument). Besides, due to the pipelined nature of rendering
   ///             in Flutter, there may be multiple frame workloads being
   ///             processed at any given time. However, for non-Timeline based
   ///             profiling, it is useful for trace collection and processing to
-  ///             happen in Dart. To do this, the GPU task runner frame
+  ///             happen in Dart. To do this, the raster task runner frame
   ///             workloads need to be instrumented separately. After a set
   ///             number of these profiles have been gathered, they need to be
   ///             reported back to Dart code. The engine reports this extra
diff --git a/runtime/runtime_controller.h b/runtime/runtime_controller.h
index 22941c7388a1b..cc802f4133100 100644
--- a/runtime/runtime_controller.h
+++ b/runtime/runtime_controller.h
@@ -274,13 +274,13 @@ class RuntimeController : public PlatformConfigurationClient {
   /// @brief      Dart code cannot fully measure the time it takes for a
   ///             specific frame to be rendered. This is because Dart code only
   ///             runs on the UI task runner. That is only a small part of the
-  ///             overall frame workload. The GPU task runner frame workload is
-  ///             executed on a thread where Dart code cannot run (and hence
+  ///             overall frame workload. The raster task runner frame workload
+  ///             is executed on a thread where Dart code cannot run (and hence
   ///             instrument). Besides, due to the pipelined nature of rendering
   ///             in Flutter, there may be multiple frame workloads being
   ///             processed at any given time. However, for non-Timeline based
   ///             profiling, it is useful for trace collection and processing to
-  ///             happen in Dart. To do this, the GPU task runner frame
+  ///             happen in Dart. To do this, the raster task runner frame
   ///             workloads need to be instrumented separately. After a set
   ///             number of these profiles have been gathered, they need to be
   ///             reported back to Dart code. The engine reports this extra
diff --git a/shell/common/engine.h b/shell/common/engine.h
index 93a5f2367dbc3..5f3b7831d98cc 100644
--- a/shell/common/engine.h
+++ b/shell/common/engine.h
@@ -436,9 +436,9 @@ class Engine final : public RuntimeDelegate,
   ///             The frame time given as the argument indicates the point at
   ///             which the current frame interval began. It is very slightly
   ///             (because of scheduling overhead) in the past. If a new layer
-  ///             tree is not produced and given to the GPU task runner within
-  ///             one frame interval from this point, the Flutter application
-  ///             will jank.
+  ///             tree is not produced and given to the raster task runner
+  ///             within one frame interval from this point, the Flutter
+  ///             application will jank.
   ///
   ///             If a root isolate is running, this method calls the
   ///             `::_beginFrame` method in `hooks.dart`. If a root isolate is
@@ -520,13 +520,13 @@ class Engine final : public RuntimeDelegate,
   /// @brief      Dart code cannot fully measure the time it takes for a
   ///             specific frame to be rendered. This is because Dart code only
   ///             runs on the UI task runner. That is only a small part of the
-  ///             overall frame workload. The GPU task runner frame workload is
-  ///             executed on a thread where Dart code cannot run (and hence
+  ///             overall frame workload. The raster task runner frame workload
+  ///             is executed on a thread where Dart code cannot run (and hence
   ///             instrument). Besides, due to the pipelined nature of rendering
   ///             in Flutter, there may be multiple frame workloads being
   ///             processed at any given time. However, for non-Timeline based
   ///             profiling, it is useful for trace collection and processing to
-  ///             happen in Dart. To do this, the GPU task runner frame
+  ///             happen in Dart. To do this, the raster task runner frame
   ///             workloads need to be instrumented separately. After a set
   ///             number of these profiles have been gathered, they need to be
   ///             reported back to Dart code. The shell reports this extra
diff --git a/shell/common/engine_unittests.cc b/shell/common/engine_unittests.cc
index e563a92a454a4..dbf9382d6017b 100644
--- a/shell/common/engine_unittests.cc
+++ b/shell/common/engine_unittests.cc
@@ -98,7 +98,7 @@ class EngineTest : public ::testing::Test {
   EngineTest()
       : thread_host_("EngineTest",
                      ThreadHost::Type::Platform | ThreadHost::Type::IO |
-                         ThreadHost::Type::UI | ThreadHost::Type::GPU),
+                         ThreadHost::Type::UI | ThreadHost::Type::RASTER),
         task_runners_({
             "EngineTest",
             thread_host_.platform_thread->GetTaskRunner(),  // platform
diff --git a/shell/common/platform_view.h b/shell/common/platform_view.h
index dd200b5948fdb..de4587bcf057a 100644
--- a/shell/common/platform_view.h
+++ b/shell/common/platform_view.h
@@ -667,7 +667,7 @@ class PlatformView {
   fml::WeakPtrFactory<PlatformView> weak_factory_;
 
   // Unlike all other methods on the platform view, this is called on the
-  // GPU task runner.
+  // raster task runner.
   virtual std::unique_ptr<Surface> CreateRenderingSurface();
 
  private:
diff --git a/shell/common/rasterizer.h b/shell/common/rasterizer.h
index 0637ad37ca955..208e455d1591c 100644
--- a/shell/common/rasterizer.h
+++ b/shell/common/rasterizer.h
@@ -27,9 +27,10 @@
 namespace flutter {
 
 //------------------------------------------------------------------------------
-/// The rasterizer is a component owned by the shell that resides on the GPU
+/// The rasterizer is a component owned by the shell that resides on the raster
 /// task runner. Each shell owns exactly one instance of a rasterizer. The
-/// rasterizer may only be created, used and collected on the GPU task runner.
+/// rasterizer may only be created, used and collected on the raster task
+/// runner.
 ///
 /// The rasterizer owns the instance of the currently active on-screen render
 /// surface. On this surface, it renders the contents of layer trees submitted
@@ -48,8 +49,8 @@ class Rasterizer final : public SnapshotDelegate {
   ///             It can then forward these events to the engine.
   ///
   ///             Like all rasterizer operation, the rasterizer delegate call
-  ///             are made on the GPU task runner. Any delegate must ensure that
-  ///             they can handle the threading implications.
+  ///             are made on the raster task runner. Any delegate must ensure
+  ///             that they can handle the threading implications.
   ///
   class Delegate {
    public:
@@ -92,9 +93,9 @@ class Rasterizer final : public SnapshotDelegate {
 
   //----------------------------------------------------------------------------
   /// @brief      Creates a new instance of a rasterizer. Rasterizers may only
-  ///             be created on the GPU task runner. Rasterizers are currently
-  ///             only created by the shell (which also sets itself up as the
-  ///             rasterizer delegate).
+  ///             be created on the raster task runner. Rasterizers are
+  ///             currently only created by the shell (which also sets itself up
+  ///             as the rasterizer delegate).
   ///
   /// @param[in]  delegate            The rasterizer delegate.
   ///
@@ -103,9 +104,9 @@ class Rasterizer final : public SnapshotDelegate {
 #if defined(LEGACY_FUCHSIA_EMBEDDER)
   //----------------------------------------------------------------------------
   /// @brief      Creates a new instance of a rasterizer. Rasterizers may only
-  ///             be created on the GPU task runner. Rasterizers are currently
-  ///             only created by the shell (which also sets itself up as the
-  ///             rasterizer delegate).
+  ///             be created on the raster task runner. Rasterizers are
+  ///             currently only created by the shell (which also sets itself up
+  ///             as the rasterizer delegate).
   ///
   /// @param[in]  delegate            The rasterizer delegate.
   /// @param[in]  compositor_context  The compositor context used to hold all
@@ -116,7 +117,7 @@ class Rasterizer final : public SnapshotDelegate {
 #endif
 
   //----------------------------------------------------------------------------
-  /// @brief      Destroys the rasterizer. This must happen on the GPU task
+  /// @brief      Destroys the rasterizer. This must happen on the raster task
   ///             runner. All GPU resources are collected before this call
   ///             returns. Any context setup by the embedder to hold these
   ///             resources can be immediately collected as well.
@@ -158,7 +159,7 @@ class Rasterizer final : public SnapshotDelegate {
 
   //----------------------------------------------------------------------------
   /// @brief      Gets a weak pointer to the rasterizer. The rasterizer may only
-  ///             be accessed on the GPU task runner.
+  ///             be accessed on the raster task runner.
   ///
   /// @return     The weak pointer to the rasterizer.
   ///
diff --git a/shell/common/rasterizer_unittests.cc b/shell/common/rasterizer_unittests.cc
index 357a0f38e2da0..3098a19256533 100644
--- a/shell/common/rasterizer_unittests.cc
+++ b/shell/common/rasterizer_unittests.cc
@@ -77,7 +77,7 @@ TEST(RasterizerTest, drawEmptyPipeline) {
   std::string test_name =
       ::testing::UnitTest::GetInstance()->current_test_info()->name();
   ThreadHost thread_host("io.flutter.test." + test_name + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
@@ -102,7 +102,7 @@ TEST(RasterizerTest,
   std::string test_name =
       ::testing::UnitTest::GetInstance()->current_test_info()->name();
   ThreadHost thread_host("io.flutter.test." + test_name + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
@@ -160,7 +160,7 @@ TEST(
   std::string test_name =
       ::testing::UnitTest::GetInstance()->current_test_info()->name();
   ThreadHost thread_host("io.flutter.test." + test_name + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
@@ -214,7 +214,7 @@ TEST(
   std::string test_name =
       ::testing::UnitTest::GetInstance()->current_test_info()->name();
   ThreadHost thread_host("io.flutter.test." + test_name + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   fml::MessageLoop::EnsureInitializedForCurrentThread();
   TaskRunners task_runners("test",
@@ -268,7 +268,7 @@ TEST(RasterizerTest, externalViewEmbedderDoesntEndFrameWhenNoSurfaceIsSet) {
   std::string test_name =
       ::testing::UnitTest::GetInstance()->current_test_info()->name();
   ThreadHost thread_host("io.flutter.test." + test_name + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
diff --git a/shell/common/shell.h b/shell/common/shell.h
index 7ac297e5d07c6..47cf806c6ba49 100644
--- a/shell/common/shell.h
+++ b/shell/common/shell.h
@@ -253,7 +253,7 @@ class Shell final : public PlatformView::Delegate,
   const TaskRunners& GetTaskRunners() const override;
 
   //----------------------------------------------------------------------------
-  /// @brief      Rasterizers may only be accessed on the GPU task runner.
+  /// @brief      Rasterizers may only be accessed on the raster task runner.
   ///
   /// @return     A weak pointer to the rasterizer.
   ///
@@ -394,7 +394,7 @@ class Shell final : public PlatformView::Delegate,
   std::optional<fml::TimePoint> latest_frame_target_time_;
   std::unique_ptr<PlatformView> platform_view_;  // on platform task runner
   std::unique_ptr<Engine> engine_;               // on UI task runner
-  std::unique_ptr<Rasterizer> rasterizer_;       // on GPU task runner
+  std::unique_ptr<Rasterizer> rasterizer_;       // on raster task runner
   std::unique_ptr<ShellIOManager> io_manager_;   // on IO task runner
   std::shared_ptr<fml::SyncSwitch> is_gpu_disabled_sync_switch_;
 
diff --git a/shell/common/shell_benchmarks.cc b/shell/common/shell_benchmarks.cc
index 012e8bdfd8ec2..3842507f27022 100644
--- a/shell/common/shell_benchmarks.cc
+++ b/shell/common/shell_benchmarks.cc
@@ -44,8 +44,8 @@ static void StartupAndShutdownShell(benchmark::State& state,
 
     thread_host = std::make_unique<ThreadHost>(
         "io.flutter.bench.", ThreadHost::Type::Platform |
-                                 ThreadHost::Type::GPU | ThreadHost::Type::IO |
-                                 ThreadHost::Type::UI);
+                                 ThreadHost::Type::RASTER |
+                                 ThreadHost::Type::IO | ThreadHost::Type::UI);
 
     TaskRunners task_runners("test",
                              thread_host->platform_thread->GetTaskRunner(),
diff --git a/shell/common/shell_test.cc b/shell/common/shell_test.cc
index aadfd6db0e683..7c455f1b77c95 100644
--- a/shell/common/shell_test.cc
+++ b/shell/common/shell_test.cc
@@ -22,7 +22,7 @@ namespace testing {
 ShellTest::ShellTest()
     : thread_host_("io.flutter.test." + GetCurrentTestName() + ".",
                    ThreadHost::Type::Platform | ThreadHost::Type::IO |
-                       ThreadHost::Type::UI | ThreadHost::Type::GPU) {}
+                       ThreadHost::Type::UI | ThreadHost::Type::RASTER) {}
 
 void ShellTest::SendEnginePlatformMessage(
     Shell* shell,
diff --git a/shell/common/shell_unittests.cc b/shell/common/shell_unittests.cc
index 5149a19412b7a..9fef249047449 100644
--- a/shell/common/shell_unittests.cc
+++ b/shell/common/shell_unittests.cc
@@ -130,7 +130,7 @@ TEST_F(ShellTest, InitializeWithDifferentThreads) {
   ASSERT_FALSE(DartVMRef::IsInstanceRunning());
   Settings settings = CreateSettingsForFixture();
   ThreadHost thread_host("io.flutter.test." + GetCurrentTestName() + ".",
-                         ThreadHost::Type::Platform | ThreadHost::Type::GPU |
+                         ThreadHost::Type::Platform | ThreadHost::Type::RASTER |
                              ThreadHost::Type::IO | ThreadHost::Type::UI);
   TaskRunners task_runners("test", thread_host.platform_thread->GetTaskRunner(),
                            thread_host.raster_thread->GetTaskRunner(),
@@ -178,7 +178,7 @@ TEST_F(ShellTest,
   Settings settings = CreateSettingsForFixture();
   ThreadHost thread_host(
       "io.flutter.test." + GetCurrentTestName() + ".",
-      ThreadHost::Type::GPU | ThreadHost::Type::IO | ThreadHost::Type::UI);
+      ThreadHost::Type::RASTER | ThreadHost::Type::IO | ThreadHost::Type::UI);
   fml::MessageLoop::EnsureInitializedForCurrentThread();
   TaskRunners task_runners("test",
                            fml::MessageLoop::GetCurrent().GetTaskRunner(),
diff --git a/shell/common/thread_host.cc b/shell/common/thread_host.cc
index 225a2271181c6..fdae202a53cce 100644
--- a/shell/common/thread_host.cc
+++ b/shell/common/thread_host.cc
@@ -20,7 +20,7 @@ ThreadHost::ThreadHost(std::string name_prefix_arg, uint64_t mask)
     ui_thread = std::make_unique<fml::Thread>(name_prefix + ".ui");
   }
 
-  if (mask & ThreadHost::Type::GPU) {
+  if (mask & ThreadHost::Type::RASTER) {
     raster_thread = std::make_unique<fml::Thread>(name_prefix + ".raster");
   }
 
diff --git a/shell/common/thread_host.h b/shell/common/thread_host.h
index fce933e44c3e9..c5db31938563e 100644
--- a/shell/common/thread_host.h
+++ b/shell/common/thread_host.h
@@ -17,7 +17,7 @@ struct ThreadHost {
   enum Type {
     Platform = 1 << 0,
     UI = 1 << 1,
-    GPU = 1 << 2,
+    RASTER = 1 << 2,
     IO = 1 << 3,
     Profiler = 1 << 4,
   };
diff --git a/shell/platform/android/android_shell_holder.cc b/shell/platform/android/android_shell_holder.cc
index cc81849549f05..aa5145658809d 100644
--- a/shell/platform/android/android_shell_holder.cc
+++ b/shell/platform/android/android_shell_holder.cc
@@ -42,7 +42,8 @@ AndroidShellHolder::AndroidShellHolder(
   if (is_background_view) {
     thread_host_ = {thread_label, ThreadHost::Type::UI};
   } else {
-    thread_host_ = {thread_label, ThreadHost::Type::UI | ThreadHost::Type::GPU |
+    thread_host_ = {thread_label, ThreadHost::Type::UI |
+                                      ThreadHost::Type::RASTER |
                                       ThreadHost::Type::IO};
   }
 
@@ -87,25 +88,25 @@ AndroidShellHolder::AndroidShellHolder(
   // The current thread will be used as the platform thread. Ensure that the
   // message loop is initialized.
   fml::MessageLoop::EnsureInitializedForCurrentThread();
-  fml::RefPtr<fml::TaskRunner> gpu_runner;
+  fml::RefPtr<fml::TaskRunner> raster_runner;
   fml::RefPtr<fml::TaskRunner> ui_runner;
   fml::RefPtr<fml::TaskRunner> io_runner;
   fml::RefPtr<fml::TaskRunner> platform_runner =
       fml::MessageLoop::GetCurrent().GetTaskRunner();
   if (is_background_view) {
     auto single_task_runner = thread_host_.ui_thread->GetTaskRunner();
-    gpu_runner = single_task_runner;
+    raster_runner = single_task_runner;
     ui_runner = single_task_runner;
     io_runner = single_task_runner;
   } else {
-    gpu_runner = thread_host_.raster_thread->GetTaskRunner();
+    raster_runner = thread_host_.raster_thread->GetTaskRunner();
     ui_runner = thread_host_.ui_thread->GetTaskRunner();
     io_runner = thread_host_.io_thread->GetTaskRunner();
   }
 
   flutter::TaskRunners task_runners(thread_label,     // label
                                     platform_runner,  // platform
-                                    gpu_runner,       // raster
+                                    raster_runner,    // raster
                                     ui_runner,        // ui
                                     io_runner         // io
   );
@@ -117,7 +118,7 @@ AndroidShellHolder::AndroidShellHolder(
       // Defensive fallback. Depending on the OEM, it may not be possible
       // to set priority to -5.
       if (::setpriority(PRIO_PROCESS, gettid(), -2) != 0) {
-        FML_LOG(ERROR) << "Failed to set GPU task runner priority";
+        FML_LOG(ERROR) << "Failed to set raster task runner priority";
       }
     }
   });
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterEngine.mm b/shell/platform/darwin/ios/framework/Source/FlutterEngine.mm
index ea5de00c5d646..5ece908bf5993 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterEngine.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterEngine.mm
@@ -513,7 +513,7 @@ + (NSString*)generateThreadLabel:(NSString*)labelPrefix {
   // initialized.
   fml::MessageLoop::EnsureInitializedForCurrentThread();
 
-  uint32_t threadHostType = flutter::ThreadHost::Type::UI | flutter::ThreadHost::Type::GPU |
+  uint32_t threadHostType = flutter::ThreadHost::Type::UI | flutter::ThreadHost::Type::RASTER |
                             flutter::ThreadHost::Type::IO;
   if ([FlutterEngine isProfilerEnabled]) {
     threadHostType = threadHostType | flutter::ThreadHost::Type::Profiler;
diff --git a/shell/platform/embedder/embedder_thread_host.cc b/shell/platform/embedder/embedder_thread_host.cc
index 15dd91d009b50..1f02eead41118 100644
--- a/shell/platform/embedder/embedder_thread_host.cc
+++ b/shell/platform/embedder/embedder_thread_host.cc
@@ -137,14 +137,14 @@ EmbedderThreadHost::CreateEmbedderManagedThreadHost(
     return nullptr;
   }
 
-  // If the embedder has not supplied a GPU task runner, one needs to be
+  // If the embedder has not supplied a raster task runner, one needs to be
   // created.
   if (!render_task_runner_pair.second) {
-    engine_thread_host_mask |= ThreadHost::Type::GPU;
+    engine_thread_host_mask |= ThreadHost::Type::RASTER;
   }
 
-  // If both the platform task runner and the GPU task runner are specified and
-  // have the same identifier, store only one.
+  // If both the platform task runner and the raster task runner are specified
+  // and have the same identifier, store only one.
   if (platform_task_runner_pair.second && render_task_runner_pair.second) {
     if (platform_task_runner_pair.second->GetEmbedderIdentifier() ==
         render_task_runner_pair.second->GetEmbedderIdentifier()) {
@@ -163,8 +163,8 @@ EmbedderThreadHost::CreateEmbedderManagedThreadHost(
                                         platform_task_runner_pair.second)
                                   : GetCurrentThreadTaskRunner();
 
-  // If the embedder has supplied a GPU task runner, use that. If not, use the
-  // one from our thread host.
+  // If the embedder has supplied a raster task runner, use that. If not, use
+  // the one from our thread host.
   auto render_task_runner = render_task_runner_pair.second
                                 ? static_cast<fml::RefPtr<fml::TaskRunner>>(
                                       render_task_runner_pair.second)
@@ -208,7 +208,7 @@ std::unique_ptr<EmbedderThreadHost>
 EmbedderThreadHost::CreateEngineManagedThreadHost() {
   // Create a thread host with the current thread as the platform thread and all
   // other threads managed.
-  ThreadHost thread_host(kFlutterThreadName, ThreadHost::Type::GPU |
+  ThreadHost thread_host(kFlutterThreadName, ThreadHost::Type::RASTER |
                                                  ThreadHost::Type::IO |
                                                  ThreadHost::Type::UI);
 
diff --git a/shell/testing/tester_main.cc b/shell/testing/tester_main.cc
index 8c970d59e22b9..f2635402e9379 100644
--- a/shell/testing/tester_main.cc
+++ b/shell/testing/tester_main.cc
@@ -118,7 +118,7 @@ int RunTester(const flutter::Settings& settings,
   if (multithreaded) {
     threadhost = std::make_unique<ThreadHost>(
         thread_label, ThreadHost::Type::Platform | ThreadHost::Type::IO |
-                          ThreadHost::Type::UI | ThreadHost::Type::GPU);
+                          ThreadHost::Type::UI | ThreadHost::Type::RASTER);
     platform_task_runner = current_task_runner;
     raster_task_runner = threadhost->raster_thread->GetTaskRunner();
     ui_task_runner = threadhost->ui_thread->GetTaskRunner();