Enable unnecessary_import (#101600)

analysis_options.yaml

@@ -29,9 +29,6 @@ analyzer:
     # allow self-reference to deprecated members (we do this because otherwise we have
     # to annotate every member in every test, assert, etc, when we deprecate something)
     deprecated_member_use_from_same_package: ignore
-    # TODO(ianh): https://github.com/flutter/flutter/issues/74381
-    # Clean up existing unnecessary imports, and remove line to ignore.
-    unnecessary_import: ignore
     # Turned off until null-safe rollout is complete.
     unnecessary_null_comparison: ignore
   exclude:

dev/benchmarks/macrobenchmarks/lib/src/color_filter_cache.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:ui';
 import 'package:flutter/material.dart';
 
 class ColorFilterCachePage extends StatefulWidget {

dev/benchmarks/macrobenchmarks/lib/src/shader_mask_cache.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'picture_cache.dart';
 

dev/bots/analyze.dart

@@ -2,7 +2,6 @@
 // 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:core' hide print;
 import 'dart:io' hide exit;

dev/tracing_tests/test/common.dart

@@ -4,7 +4,6 @@
 
 import 'dart:developer' as developer;
 import 'dart:isolate' as isolate;
-import 'dart:ui';
 
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_test/flutter_test.dart';

examples/api/lib/material/material_state/material_state_mouse_cursor.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for MaterialStateMouseCursor
 
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 void main() => runApp(const MyApp());
 

examples/api/lib/material/platform_menu_bar/platform_menu_bar.0.dart

@@ -8,7 +8,6 @@
 // THIS SAMPLE ONLY WORKS ON MACOS.
 ////////////////////////////////////
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 

examples/api/lib/services/mouse_cursor/mouse_cursor.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for MouseCursor
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 
 void main() => runApp(const MyApp());
 

examples/api/lib/ui/text/font_feature.font_feature_locale_aware.0.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 // Flutter code sample for FontFeature.FontFeature.localeAware
-import 'dart:ui';
 
 import 'package:flutter/widgets.dart';
 

examples/api/lib/widgets/animated_list/animated_list.0.dart

@@ -4,7 +4,6 @@
 
 // Flutter code sample for AnimatedList
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 void main() {

examples/api/lib/widgets/animated_list/sliver_animated_list.0.dart

@@ -4,7 +4,6 @@
 
 // Flutter code sample for SliverAnimatedList
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 void main() => runApp(const SliverAnimatedListSample());

examples/api/lib/widgets/autocomplete/raw_autocomplete.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for RawAutocomplete
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const AutocompleteExampleApp());
 

examples/api/lib/widgets/autocomplete/raw_autocomplete.1.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for RawAutocomplete
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const AutocompleteExampleApp());
 

examples/api/lib/widgets/autocomplete/raw_autocomplete.2.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for RawAutocomplete
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const AutocompleteExampleApp());
 

examples/api/lib/widgets/autocomplete/raw_autocomplete.focus_node.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for RawAutocomplete.focusNode
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const AutocompleteExampleApp());
 

examples/api/lib/widgets/basic/listener.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for Listener
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const MyApp());
 

examples/api/lib/widgets/basic/mouse_region.0.dart

@@ -5,7 +5,6 @@
 // Flutter code sample for MouseRegion
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 void main() => runApp(const MyApp());
 

examples/api/lib/widgets/focus_manager/focus_node.unfocus.0.dart

@@ -4,7 +4,6 @@
 
 // Flutter code sample for FocusNode.unfocus
 
-import 'package:flutter/foundation.dart';
 
 import 'package:flutter/material.dart';
 

examples/api/lib/widgets/framework/build_owner.0.dart

@@ -6,7 +6,6 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/widgets.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();

examples/api/test/flutter_test_config.dart

@@ -4,7 +4,6 @@
 
 import 'dart:async';
 
-import 'package:flutter_test/flutter_test.dart';
 
 import 'goldens_io.dart' if (dart.library.html) 'goldens_web.dart' as flutter_goldens;
 

examples/api/test/painting/linear_gradient.0_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/painting/gradient/linear_gradient.0.dart'
     as example;
 import 'package:flutter_test/flutter_test.dart';

examples/api/test/services/mouse_cursor/mouse_cursor.0_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/services/mouse_cursor/mouse_cursor.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';

examples/api/test/ui/text/font_feature.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_alternative.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_alternative.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_alternative_fractions.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_alternative_fractions.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_case_sensitive_forms.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_case_sensitive_forms.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_character_variant.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_character_variant.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_contextual_alternates.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_contextual_alternates.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_denominator.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_denominator.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_fractions.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_fractions.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_historical_forms.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_historical_forms.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_historical_ligatures.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_historical_ligatures.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_lining_figures.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_lining_figures.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_locale_aware.0_test.dart

@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_locale_aware.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_notational_forms.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_notational_forms.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_numerators.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_numerators.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_oldstyle_figures.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_oldstyle_figures.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_ordinal_forms.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_ordinal_forms.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_proportional_figures.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_proportional_figures.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_scientific_inferiors.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_scientific_inferiors.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_slashed_zero.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_slashed_zero.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_stylistic_alternates.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_stylistic_alternates.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_stylistic_set.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_stylistic_set.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_stylistic_set.1_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_stylistic_set.1.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_subscripts.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_subscripts.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_superscripts.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_superscripts.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_swash.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_swash.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

examples/api/test/ui/text/font_feature.font_feature_tabular_figures.0_test.dart

@@ -4,7 +4,6 @@
 
 import 'dart:ui';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_api_samples/ui/text/font_feature.font_feature_tabular_figures.0.dart' as example;
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/lib/src/cupertino/bottom_tab_bar.dart

@@ -5,7 +5,6 @@
 import 'dart:ui' show ImageFilter;
 
 import 'package:flutter/foundation.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 
 import 'colors.dart';

packages/flutter/lib/src/cupertino/desktop_text_selection.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';

packages/flutter/lib/src/cupertino/text_selection.dart

@@ -4,7 +4,6 @@
 
 import 'dart:math' as math;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 

packages/flutter/lib/src/material/desktop_text_selection.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';

packages/flutter/lib/src/material/expansion_tile_theme.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';

packages/flutter/lib/src/material/text_selection.dart

@@ -4,7 +4,6 @@
 
 import 'dart:math' as math;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 

packages/flutter/lib/src/services/binding.dart

@@ -5,7 +5,6 @@
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
-import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';

packages/flutter/lib/src/widgets/display_feature_sub_screen.dart

@@ -4,9 +4,6 @@
 
 import 'dart:math' as math;
 import 'dart:ui' show DisplayFeature, DisplayFeatureState;
-import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
-import 'package:flutter/rendering.dart';
 
 import 'basic.dart';
 import 'debug.dart';

packages/flutter/lib/src/widgets/draggable_scrollable_sheet.dart

@@ -6,7 +6,6 @@ import 'dart:math' as math;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
-import 'package:flutter/physics.dart';
 
 import 'basic.dart';
 import 'binding.dart';

packages/flutter/lib/src/widgets/platform_menu_bar.dart

@@ -3,11 +3,8 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
-import 'package:flutter/rendering.dart';
-import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
 
 import 'binding.dart';

packages/flutter/lib/src/widgets/shared_app_data.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 
 import 'framework.dart';
 import 'inherited_model.dart';

packages/flutter/test/gestures/gesture_config_regression_test.dart

@@ -5,7 +5,6 @@
 import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 class TestResult {

packages/flutter/test/material/app_bar_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';

packages/flutter/test/material/bottom_navigation_bar_theme_test.dart

@@ -5,7 +5,6 @@
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:vector_math/vector_math_64.dart' show Vector3;
 

packages/flutter/test/material/range_slider_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

packages/flutter/test/material/switch_list_tile_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';

packages/flutter/test/material/tooltip_visibility_test.dart

@@ -6,7 +6,6 @@ import 'dart:ui';
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 const String tooltipText = 'TIP';

packages/flutter/test/rendering/mock_canvas_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import 'mock_canvas.dart';

packages/flutter/test/rendering/relayout_boundary_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/widgets/display_feature_sub_screen_test.dart

@@ -4,8 +4,6 @@
 
 import 'dart:ui';
 
-import 'package:flutter/foundation.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/widgets/editable_text_shortcuts_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/widgets/editable_text_utils.dart

@@ -4,7 +4,6 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 // Returns the first RenderEditable.

packages/flutter/test/widgets/placeholder_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import '../rendering/mock_canvas.dart';

packages/flutter/test/widgets/platform_menu_bar_test.dart

@@ -7,7 +7,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/src/foundation/diagnostics.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {

packages/flutter/test/widgets/ticker_mode_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {

packages/flutter/test/widgets/transitions_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:math' as math;
-import 'dart:ui' show Rect;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';

packages/flutter_localizations/test/material/tabs_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/flutter_test/lib/src/test_text_input.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:typed_data';
 import 'dart:ui' show Rect, Offset;
 
 import 'package:flutter/foundation.dart';

packages/flutter_tools/lib/src/proxied_devices/file_transfer.dart

@@ -10,7 +10,6 @@ import 'package:crypto/crypto.dart';
 import 'package:meta/meta.dart';
 
 import '../base/file_system.dart';
-import '../base/io.dart';
 import '../build_system/hash.dart';
 import '../convert.dart';
 

packages/flutter_tools/test/commands.shard/hermetic/analyze_test.dart

@@ -18,7 +18,6 @@ import 'package:flutter_tools/src/dart/analysis.dart';
 
 import '../../src/common.dart';
 import '../../src/context.dart';
-import '../../src/fake_process_manager.dart';
 import '../../src/test_flutter_command_runner.dart';
 
 const String _kFlutterRoot = '/data/flutter';

packages/flutter_tools/test/commands.shard/hermetic/install_test.dart

@@ -19,7 +19,6 @@ import 'package:test/fake.dart';
 
 import '../../src/common.dart';
 import '../../src/context.dart';
-import '../../src/fake_process_manager.dart';
 import '../../src/test_flutter_command_runner.dart';
 
 void main() {

packages/flutter_tools/test/commands.shard/hermetic/proxied_devices_test.dart

@@ -7,7 +7,6 @@
 import 'dart:async';
 
 import 'package:file/memory.dart';
-import 'package:file/src/interface/file.dart';
 import 'package:flutter_tools/src/android/android_device.dart';
 import 'package:flutter_tools/src/application_package.dart';
 import 'package:flutter_tools/src/base/common.dart';

packages/flutter_tools/test/commands.shard/hermetic/upgrade_test.dart

@@ -14,7 +14,6 @@ import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/upgrade.dart';
 import 'package:flutter_tools/src/version.dart';
 
-import '../../src/common.dart';
 import '../../src/context.dart';
 import '../../src/fake_process_manager.dart';
 import '../../src/fakes.dart' show FakeFlutterVersion;

packages/flutter_tools/test/general.shard/integration_test_device_test.dart

@@ -17,7 +17,6 @@ import 'package:stream_channel/stream_channel.dart';
 import 'package:test/fake.dart';
 import 'package:vm_service/vm_service.dart' as vm_service;
 
-import '../src/common.dart';
 import '../src/context.dart';
 import '../src/fake_devices.dart';
 import '../src/fake_vm_services.dart';

packages/flutter_tools/test/integration.shard/debug_adapter/test_support.dart

@@ -6,9 +6,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:dds/dap.dart';
-import 'package:dds/src/dap/logging.dart';
 import 'package:file/file.dart';
-import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/convert.dart';
 import 'package:flutter_tools/src/globals.dart' as globals;