Revert "Build iOS apps using Swift Packages (#72761)" (#73437)

This reverts commit 28db5a0faef116cdad40efcb996d1118f32e828a.
diff --git a/dev/benchmarks/complex_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/complex_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/complex_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/complex_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/benchmarks/microbenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/microbenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/microbenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/microbenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/benchmarks/platform_views_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/platform_views_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/platform_views_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/platform_views_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/benchmarks/platform_views_layout_hybrid_composition/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/platform_views_layout_hybrid_composition/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/platform_views_layout_hybrid_composition/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/platform_views_layout_hybrid_composition/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/benchmarks/test_apps/stocks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/benchmarks/test_apps/stocks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/benchmarks/test_apps/stocks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/benchmarks/test_apps/stocks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/channels/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/channels/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/channels/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/channels/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/external_ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/external_ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/external_ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/external_ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/flavors/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/flavors/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/flavors/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/flavors/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/flutter_driver_screenshot_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/flutter_driver_screenshot_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/flutter_driver_screenshot_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/flutter_driver_screenshot_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/flutter_gallery/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/flutter_gallery/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/flutter_gallery/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/flutter_gallery/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/ios_app_with_extensions/ios/Podfile b/dev/integration_tests/ios_app_with_extensions/ios/Podfile
index 6b707b6..a5fb528 100644
--- a/dev/integration_tests/ios_app_with_extensions/ios/Podfile
+++ b/dev/integration_tests/ios_app_with_extensions/ios/Podfile
@@ -39,7 +39,7 @@
   use_frameworks!
   use_modular_headers!
 
-  pod 'EFQRCode', '6.0'
+  pod 'EFQRCode/watchOS', '5.1.6'
 end
 
 post_install do |installer|
diff --git a/dev/integration_tests/ios_app_with_extensions/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/ios_app_with_extensions/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/ios_app_with_extensions/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/ios_app_with_extensions/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/ios_platform_view_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/ios_platform_view_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/ios_platform_view_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/ios_platform_view_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/non_nullable/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/non_nullable/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/non_nullable/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/non_nullable/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/release_smoke_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/release_smoke_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/integration_tests/release_smoke_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/release_smoke_test/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/integration_tests/ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..21a3cc1 100644
--- a/dev/integration_tests/ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/integration_tests/ui/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,9 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/dev/manual_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/manual_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/dev/manual_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/dev/manual_tests/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/flutter_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/flutter_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..21a3cc1 100644
--- a/examples/flutter_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/flutter_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,9 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/hello_world/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/hello_world/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/hello_world/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/hello_world/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/image_list/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/image_list/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/image_list/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/image_list/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/layers/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/layers/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/layers/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/layers/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/platform_channel/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/platform_channel/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/platform_channel/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/platform_channel/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/platform_channel_swift/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/platform_channel_swift/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/platform_channel_swift/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/platform_channel_swift/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/examples/platform_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/examples/platform_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/examples/platform_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/examples/platform_view/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/packages/flutter_tools/lib/src/base/project_migrator.dart b/packages/flutter_tools/lib/src/base/project_migrator.dart
index 1ba453f..6b666dd 100644
--- a/packages/flutter_tools/lib/src/base/project_migrator.dart
+++ b/packages/flutter_tools/lib/src/base/project_migrator.dart
@@ -26,13 +26,6 @@
   }
 
   @protected
-  String migrateFileContents(String fileContents) {
-    return fileContents;
-  }
-
-  @protected
-  /// Calls [migrateLine] per line, then [migrateFileContents]
-  /// including the line migrations.
   void processFileLines(File file) {
     final List<String> lines = file.readAsLinesSync();
 
@@ -58,16 +51,9 @@
       newProjectContents.writeln(newProjectLine);
     }
 
-    final String projectContentsWithMigratedLines = newProjectContents.toString();
-    final String projectContentsWithMigratedContents = migrateFileContents(projectContentsWithMigratedLines);
-    if (projectContentsWithMigratedLines != projectContentsWithMigratedContents) {
-      logger.printTrace('Migrating $basename contents');
-      migrationRequired = true;
-    }
-
     if (migrationRequired) {
       logger.printStatus('Upgrading $basename');
-      file.writeAsStringSync(projectContentsWithMigratedContents);
+      file.writeAsStringSync(newProjectContents.toString());
     }
   }
 }
diff --git a/packages/flutter_tools/lib/src/ios/mac.dart b/packages/flutter_tools/lib/src/ios/mac.dart
index 2c80409..5ce33fb 100644
--- a/packages/flutter_tools/lib/src/ios/mac.dart
+++ b/packages/flutter_tools/lib/src/ios/mac.dart
@@ -25,7 +25,6 @@
 import 'code_signing.dart';
 import 'devices.dart';
 import 'migrations/project_base_configuration_migration.dart';
-import 'migrations/project_build_location_migration.dart';
 import 'migrations/remove_framework_link_and_embedding_migration.dart';
 import 'migrations/xcode_build_system_migration.dart';
 import 'xcodeproj.dart';
@@ -107,7 +106,6 @@
     RemoveFrameworkLinkAndEmbeddingMigration(app.project, globals.logger, globals.xcode, globals.flutterUsage),
     XcodeBuildSystemMigration(app.project, globals.logger),
     ProjectBaseConfigurationMigration(app.project, globals.logger),
-    ProjectBuildLocationMigration(app.project, globals.logger),
   ];
 
   final ProjectMigration migration = ProjectMigration(migrators);
diff --git a/packages/flutter_tools/lib/src/ios/migrations/project_build_location_migration.dart b/packages/flutter_tools/lib/src/ios/migrations/project_build_location_migration.dart
deleted file mode 100644
index e0bed32..0000000
--- a/packages/flutter_tools/lib/src/ios/migrations/project_build_location_migration.dart
+++ /dev/null
@@ -1,49 +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 '../../base/file_system.dart';
-import '../../base/logger.dart';
-import '../../base/project_migrator.dart';
-import '../../project.dart';
-
-// Update the xcodeproj build location. Legacy build location does not work with Swift Packages.
-class ProjectBuildLocationMigration extends ProjectMigrator {
-  ProjectBuildLocationMigration(
-    IosProject project,
-    Logger logger,
-  ) : _xcodeProjectWorkspaceData = project.xcodeProjectWorkspaceData,
-      super(logger);
-
-  final File _xcodeProjectWorkspaceData;
-
-  @override
-  bool migrate() {
-    if (!_xcodeProjectWorkspaceData.existsSync()) {
-      logger.printTrace('Xcode project workspace data not found, skipping build location migration.');
-      return true;
-    }
-
-    processFileLines(_xcodeProjectWorkspaceData);
-    return true;
-  }
-
-  @override
-  String migrateLine(String line) {
-    const String legacyBuildLocation = 'location = "group:Runner.xcodeproj"';
-    const String defaultBuildLocation = 'location = "self:"';
-
-    return line.replaceAll(legacyBuildLocation, defaultBuildLocation);
-  }
-
-  @override
-  String migrateFileContents(String fileContents) {
-    const String podLocation = '''
-   <FileRef
-      location = "group:Pods/Pods.xcodeproj">
-   </FileRef>
-''';
-
-    return fileContents.replaceAll(podLocation, '');
-  }
-}
diff --git a/packages/flutter_tools/lib/src/project.dart b/packages/flutter_tools/lib/src/project.dart
index e400365..26df37d 100644
--- a/packages/flutter_tools/lib/src/project.dart
+++ b/packages/flutter_tools/lib/src/project.dart
@@ -446,11 +446,6 @@
   @override
   File get xcodeProjectInfoFile => xcodeProject.childFile('project.pbxproj');
 
-  File get xcodeProjectWorkspaceData =>
-    xcodeProject
-    .childDirectory('project.xcworkspace')
-    .childFile('contents.xcworkspacedata');
-
   @override
   Directory get xcodeWorkspace => hostAppRoot.childDirectory('$_hostAppProjectName.xcworkspace');
 
diff --git a/packages/flutter_tools/templates/app/ios.tmpl/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/packages/flutter_tools/templates/app/ios.tmpl/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/packages/flutter_tools/templates/app/ios.tmpl/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/packages/flutter_tools/templates/app/ios.tmpl/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.xcodeproj.tmpl/project.xcworkspace/contents.xcworkspacedata b/packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.xcodeproj.tmpl/project.xcworkspace/contents.xcworkspacedata
index 919434a..1d526a1 100644
--- a/packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.xcodeproj.tmpl/project.xcworkspace/contents.xcworkspacedata
+++ b/packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.xcodeproj.tmpl/project.xcworkspace/contents.xcworkspacedata
@@ -2,6 +2,6 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "self:">
+      location = "group:Runner.xcodeproj">
    </FileRef>
 </Workspace>
diff --git a/packages/flutter_tools/test/general.shard/ios/ios_project_migration_test.dart b/packages/flutter_tools/test/general.shard/ios/ios_project_migration_test.dart
index 4be588b..f1f59ab 100644
--- a/packages/flutter_tools/test/general.shard/ios/ios_project_migration_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/ios_project_migration_test.dart
@@ -5,9 +5,10 @@
 import 'package:file/file.dart';
 import 'package:file/memory.dart';
 import 'package:flutter_tools/src/base/logger.dart';
+import 'package:flutter_tools/src/base/platform.dart';
+import 'package:flutter_tools/src/base/terminal.dart';
 import 'package:flutter_tools/src/base/project_migrator.dart';
 import 'package:flutter_tools/src/ios/migrations/project_base_configuration_migration.dart';
-import 'package:flutter_tools/src/ios/migrations/project_build_location_migration.dart';
 import 'package:flutter_tools/src/ios/migrations/remove_framework_link_and_embedding_migration.dart';
 import 'package:flutter_tools/src/ios/migrations/xcode_build_system_migration.dart';
 import 'package:flutter_tools/src/macos/xcode.dart';
@@ -48,7 +49,15 @@
         memoryFileSystem = MemoryFileSystem.test();
         mockXcode = MockXcode();
         xcodeProjectInfoFile = memoryFileSystem.file('project.pbxproj');
-        testLogger = BufferLogger.test();
+
+        testLogger = BufferLogger(
+          terminal: AnsiTerminal(
+            stdio: null,
+            platform: const LocalPlatform(),
+          ),
+          outputPreferences: OutputPreferences.test(),
+        );
+
         mockIosProject = MockIosProject();
         when(mockIosProject.xcodeProjectInfoFile).thenReturn(xcodeProjectInfoFile);
       });
@@ -258,7 +267,15 @@
       setUp(() {
         memoryFileSystem = MemoryFileSystem.test();
         xcodeWorkspaceSharedSettings = memoryFileSystem.file('WorkspaceSettings.xcsettings');
-        testLogger = BufferLogger.test();
+
+        testLogger = BufferLogger(
+          terminal: AnsiTerminal(
+            stdio: null,
+            platform: const LocalPlatform(),
+          ),
+          outputPreferences: OutputPreferences.test(),
+        );
+
         mockIosProject = MockIosProject();
         when(mockIosProject.xcodeWorkspaceSharedSettings).thenReturn(xcodeWorkspaceSharedSettings);
       });
@@ -321,85 +338,6 @@
       });
     });
 
-    group('Xcode default build location', () {
-      MemoryFileSystem memoryFileSystem;
-      BufferLogger testLogger;
-      MockIosProject mockIosProject;
-      File xcodeProjectWorkspaceData;
-
-      setUp(() {
-        memoryFileSystem = MemoryFileSystem();
-        xcodeProjectWorkspaceData = memoryFileSystem.file('contents.xcworkspacedata');
-        testLogger = BufferLogger.test();
-        mockIosProject = MockIosProject();
-        when(mockIosProject.xcodeProjectWorkspaceData).thenReturn(xcodeProjectWorkspaceData);
-      });
-
-      testWithoutContext('skipped if files are missing', () {
-        final ProjectBuildLocationMigration iosProjectMigration = ProjectBuildLocationMigration(
-          mockIosProject,
-          testLogger,
-        );
-        expect(iosProjectMigration.migrate(), isTrue);
-        expect(xcodeProjectWorkspaceData.existsSync(), isFalse);
-
-        expect(testLogger.traceText, contains('Xcode project workspace data not found, skipping build location migration.'));
-        expect(testLogger.statusText, isEmpty);
-      });
-
-      testWithoutContext('skipped if nothing to upgrade', () {
-        const String contents = '''
- <?xml version="1.0" encoding="UTF-8"?>
- <Workspace
-    version = "1.0">
-    <FileRef
-      location = "self:">
-    </FileRef>
- </Workspace>''';
-        xcodeProjectWorkspaceData.writeAsStringSync(contents);
-
-        final ProjectBuildLocationMigration iosProjectMigration = ProjectBuildLocationMigration(
-          mockIosProject,
-          testLogger,
-        );
-        expect(iosProjectMigration.migrate(), isTrue);
-        expect(xcodeProjectWorkspaceData.existsSync(), isTrue);
-        expect(testLogger.statusText, isEmpty);
-      });
-
-      testWithoutContext('Xcode project is migrated', () {
-        const String contents = '''
- <?xml version="1.0" encoding="UTF-8"?>
- <Workspace
-   version = "1.0">
-   <FileRef
-      location = "group:Runner.xcodeproj">
-   </FileRef>
-   <FileRef
-      location = "group:Pods/Pods.xcodeproj">
-   </FileRef>
- </Workspace>
-''';
-        xcodeProjectWorkspaceData.writeAsStringSync(contents);
-
-        final ProjectBuildLocationMigration iosProjectMigration = ProjectBuildLocationMigration(
-          mockIosProject,
-          testLogger,
-        );
-        expect(iosProjectMigration.migrate(), isTrue);
-        expect(xcodeProjectWorkspaceData.readAsStringSync(), '''
- <?xml version="1.0" encoding="UTF-8"?>
- <Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:">
-   </FileRef>
- </Workspace>
-''');
-        expect(testLogger.statusText, contains('Upgrading contents.xcworkspacedata'));
-      });
-    });
-
     group('remove Runner project base configuration', () {
       MemoryFileSystem memoryFileSystem;
       BufferLogger testLogger;
@@ -407,9 +345,17 @@
       File xcodeProjectInfoFile;
 
       setUp(() {
-        memoryFileSystem = MemoryFileSystem();
+        memoryFileSystem = MemoryFileSystem.test();
         xcodeProjectInfoFile = memoryFileSystem.file('project.pbxproj');
-        testLogger = BufferLogger.test();
+
+        testLogger = BufferLogger(
+          terminal: AnsiTerminal(
+            stdio: null,
+            platform: const LocalPlatform(),
+          ),
+          outputPreferences: OutputPreferences.test(),
+        );
+
         mockIosProject = MockIosProject();
         when(mockIosProject.xcodeProjectInfoFile).thenReturn(xcodeProjectInfoFile);
       });