diff --git a/lib/ui/geometry.dart b/lib/ui/geometry.dart
index cf4bb483917a9..ce1d6ee23c773 100644
--- a/lib/ui/geometry.dart
+++ b/lib/ui/geometry.dart
@@ -91,7 +91,7 @@ abstract class OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(_dx, _dy);
+  int get hashCode => Object.hash(_dx, _dy);
 
   @override
   String toString() => 'OffsetBase(${_dx.toStringAsFixed(1)}, ${_dy.toStringAsFixed(1)})';
@@ -341,7 +341,7 @@ class Offset extends OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(dx, dy);
+  int get hashCode => Object.hash(dx, dy);
 
   @override
   String toString() => 'Offset(${dx.toStringAsFixed(1)}, ${dy.toStringAsFixed(1)})';
@@ -613,7 +613,7 @@ class Size extends OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(_dx, _dy);
+  int get hashCode => Object.hash(_dx, _dy);
 
   @override
   String toString() => 'Size(${width.toStringAsFixed(1)}, ${height.toStringAsFixed(1)})';
@@ -907,7 +907,7 @@ class Rect {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom);
+  int get hashCode => Object.hash(left, top, right, bottom);
 
   @override
   String toString() => 'Rect.fromLTRB(${left.toStringAsFixed(1)}, ${top.toStringAsFixed(1)}, ${right.toStringAsFixed(1)}, ${bottom.toStringAsFixed(1)})';
@@ -1033,7 +1033,7 @@ class Radius {
   }
 
   @override
-  int get hashCode => hashValues(x, y);
+  int get hashCode => Object.hash(x, y);
 
   @override
   String toString() {
@@ -1645,7 +1645,7 @@ class RRect {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom,
+  int get hashCode => Object.hash(left, top, right, bottom,
     tlRadiusX, tlRadiusY, trRadiusX, trRadiusY,
     blRadiusX, blRadiusY, brRadiusX, brRadiusY);
 
diff --git a/lib/ui/hash_codes.dart b/lib/ui/hash_codes.dart
index 71da5b3642b2e..63b0b74857752 100644
--- a/lib/ui/hash_codes.dart
+++ b/lib/ui/hash_codes.dart
@@ -2,122 +2,33 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-
 // @dart = 2.12
 part of dart.ui;
 
-class _HashEnd { const _HashEnd(); }
-const _HashEnd _hashEnd = _HashEnd();
-
-/// Jenkins hash function, optimized for small integers.
-//
-// Borrowed from the dart sdk: sdk/lib/math/jenkins_smi_hash.dart.
-class _Jenkins {
-  static int combine(int hash, Object? o) {
-    assert(o is! Iterable);
-    hash = 0x1fffffff & (hash + o.hashCode);
-    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
-    return hash ^ (hash >> 6);
-  }
-
-  static int finish(int hash) {
-    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
-    hash = hash ^ (hash >> 11);
-    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
-  }
-}
-
-/// Combine up to twenty objects' hash codes into one value.
-///
-/// If you only need to handle one object's hash code, then just refer to its
-/// [Object.hashCode] getter directly.
-///
-/// If you need to combine an arbitrary number of objects from a [List] or other
-/// [Iterable], use [hashList]. The output of [hashList] can be used as one of
-/// the arguments to this function.
-///
-/// For example:
-///
-/// ```dart
-/// int hashCode => hashValues(foo, bar, hashList(quux), baz);
-/// ```
+@Deprecated(
+  'Use Object.hash() instead '
+  'This feature was deprecated in v2.9.0-0.1.pre'
+)
 int hashValues(
-  Object? arg01,            Object? arg02,          [ Object? arg03 = _hashEnd,
-  Object? arg04 = _hashEnd, Object? arg05 = _hashEnd, Object? arg06 = _hashEnd,
-  Object? arg07 = _hashEnd, Object? arg08 = _hashEnd, Object? arg09 = _hashEnd,
-  Object? arg10 = _hashEnd, Object? arg11 = _hashEnd, Object? arg12 = _hashEnd,
-  Object? arg13 = _hashEnd, Object? arg14 = _hashEnd, Object? arg15 = _hashEnd,
-  Object? arg16 = _hashEnd, Object? arg17 = _hashEnd, Object? arg18 = _hashEnd,
-  Object? arg19 = _hashEnd, Object? arg20 = _hashEnd ]) {
-  int result = 0;
-  result = _Jenkins.combine(result, arg01);
-  result = _Jenkins.combine(result, arg02);
-  if (!identical(arg03, _hashEnd)) {
-    result = _Jenkins.combine(result, arg03);
-    if (!identical(arg04, _hashEnd)) {
-      result = _Jenkins.combine(result, arg04);
-      if (!identical(arg05, _hashEnd)) {
-        result = _Jenkins.combine(result, arg05);
-        if (!identical(arg06, _hashEnd)) {
-          result = _Jenkins.combine(result, arg06);
-          if (!identical(arg07, _hashEnd)) {
-            result = _Jenkins.combine(result, arg07);
-            if (!identical(arg08, _hashEnd)) {
-              result = _Jenkins.combine(result, arg08);
-              if (!identical(arg09, _hashEnd)) {
-                result = _Jenkins.combine(result, arg09);
-                if (!identical(arg10, _hashEnd)) {
-                  result = _Jenkins.combine(result, arg10);
-                  if (!identical(arg11, _hashEnd)) {
-                    result = _Jenkins.combine(result, arg11);
-                    if (!identical(arg12, _hashEnd)) {
-                      result = _Jenkins.combine(result, arg12);
-                      if (!identical(arg13, _hashEnd)) {
-                        result = _Jenkins.combine(result, arg13);
-                        if (!identical(arg14, _hashEnd)) {
-                          result = _Jenkins.combine(result, arg14);
-                          if (!identical(arg15, _hashEnd)) {
-                            result = _Jenkins.combine(result, arg15);
-                            if (!identical(arg16, _hashEnd)) {
-                              result = _Jenkins.combine(result, arg16);
-                              if (!identical(arg17, _hashEnd)) {
-                                result = _Jenkins.combine(result, arg17);
-                                if (!identical(arg18, _hashEnd)) {
-                                  result = _Jenkins.combine(result, arg18);
-                                  if (!identical(arg19, _hashEnd)) {
-                                    result = _Jenkins.combine(result, arg19);
-                                    if (!identical(arg20, _hashEnd)) {
-                                      result = _Jenkins.combine(result, arg20);
-                                      // I can see my house from here!
-                                    }
-                                  }
-                                }
-                              }
-                            }
-                          }
-                        }
-                      }
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-  return _Jenkins.finish(result);
-}
+  Object? arg01, Object? arg02, [
+  Object? arg03, Object? arg04,
+  Object? arg05, Object? arg06,
+  Object? arg07, Object? arg08,
+  Object? arg09, Object? arg10,
+  Object? arg11, Object? arg12,
+  Object? arg13, Object? arg14,
+  Object? arg15, Object? arg16,
+  Object? arg17, Object? arg18,
+  Object? arg19, Object? arg20, ]
+  ) => Object.hash(
+    arg01, arg02, arg03, arg04, arg05, arg06,
+    arg07, arg08, arg09, arg10, arg11, arg12,
+    arg13, arg14, arg15, arg16, arg17, arg18,
+    arg19, arg20,
+  );
 
-/// Combine the [Object.hashCode] values of an arbitrary number of objects from
-/// an [Iterable] into one value. This function will return the same value if
-/// given null as if given an empty list.
-int hashList(Iterable<Object?>? arguments) {
-  int result = 0;
-  if (arguments != null) {
-    for (final Object? argument in arguments)
-      result = _Jenkins.combine(result, argument);
-  }
-  return _Jenkins.finish(result);
-}
+@Deprecated(
+  'Use Object.hashAll() or Object.hashAllUnordered() instead '
+  'This feature was deprecated in v2.9.0-0.1.pre'
+)
+int hashList(Iterable<Object?>? arguments) => Object.hashAll(arguments ?? <Object?>[]);
diff --git a/lib/ui/painting.dart b/lib/ui/painting.dart
index 7fb35cf74c143..382c7e532fa51 100644
--- a/lib/ui/painting.dart
+++ b/lib/ui/painting.dart
@@ -2962,7 +2962,7 @@ class MaskFilter {
   }
 
   @override
-  int get hashCode => hashValues(_style, _sigma);
+  int get hashCode => Object.hash(_style, _sigma);
 
   @override
   String toString() => 'MaskFilter.blur($_style, ${_sigma.toStringAsFixed(1)})';
@@ -3121,7 +3121,7 @@ class ColorFilter implements ImageFilter {
   }
 
   @override
-  int get hashCode => hashValues(_color, _blendMode, hashList(_matrix), _type);
+  int get hashCode => Object.hash(_color, _blendMode, Object.hashAll(_matrix ?? <Object?>[]), _type);
 
   @override
   String get _shortDescription {
@@ -3279,7 +3279,7 @@ class _MatrixImageFilter implements ImageFilter {
   }
 
   @override
-  int get hashCode => hashValues(filterQuality, hashList(data));
+  int get hashCode => Object.hash(filterQuality, Object.hashAll(data));
 }
 
 class _GaussianBlurImageFilter implements ImageFilter {
@@ -3320,7 +3320,7 @@ class _GaussianBlurImageFilter implements ImageFilter {
   }
 
   @override
-  int get hashCode => hashValues(sigmaX, sigmaY);
+  int get hashCode => Object.hash(sigmaX, sigmaY);
 }
 
 class _ComposeImageFilter implements ImageFilter {
@@ -3350,7 +3350,7 @@ class _ComposeImageFilter implements ImageFilter {
   }
 
   @override
-  int get hashCode => hashValues(innerFilter, outerFilter);
+  int get hashCode => Object.hash(innerFilter, outerFilter);
 }
 
 /// An [ImageFilter] that is backed by a native SkImageFilter.
@@ -3905,7 +3905,7 @@ class _FragmentShader extends Shader {
   }
 
   @override
-  int get hashCode => hashValues(_builder, hashList(_floatUniforms), hashList(_samplerUniforms));
+  int get hashCode => Object.hash(_builder, Object.hashAll(_floatUniforms), Object.hashAll(_samplerUniforms));
 }
 
 /// Defines how a list of points is interpreted when drawing a set of triangles.
@@ -5321,7 +5321,7 @@ class Shadow {
   }
 
   @override
-  int get hashCode => hashValues(color, offset, blurRadius);
+  int get hashCode => Object.hash(color, offset, blurRadius);
 
   // Serialize [shadows] into ByteData. The format is a single uint_32_t at
   // the beginning indicating the number of shadows, followed by _kBytesPerShadow
diff --git a/lib/ui/platform_dispatcher.dart b/lib/ui/platform_dispatcher.dart
index b57a7d5409fbe..3e05462cfd94d 100644
--- a/lib/ui/platform_dispatcher.dart
+++ b/lib/ui/platform_dispatcher.dart
@@ -1567,7 +1567,7 @@ class DisplayFeature {
   }
 
   @override
-  int get hashCode => hashValues(bounds, type, state);
+  int get hashCode => Object.hash(bounds, type, state);
 
   @override
   String toString() {
@@ -1894,7 +1894,7 @@ class Locale {
   }
 
   @override
-  int get hashCode => hashValues(languageCode, scriptCode, countryCode == '' ? null : countryCode);
+  int get hashCode => Object.hash(languageCode, scriptCode, countryCode == '' ? null : countryCode);
 
   static Locale? _cachedLocale;
   static String? _cachedLocaleString;
diff --git a/lib/ui/text.dart b/lib/ui/text.dart
index a5884beca299d..13e51c86a36e3 100644
--- a/lib/ui/text.dart
+++ b/lib/ui/text.dart
@@ -1472,7 +1472,7 @@ class FontFeature {
   }
 
   @override
-  int get hashCode => hashValues(feature, value);
+  int get hashCode => Object.hash(feature, value);
 
   @override
   String toString() => "FontFeature('$feature', $value)";
@@ -1720,7 +1720,7 @@ class TextHeightBehavior {
 
   @override
   int get hashCode {
-    return hashValues(
+    return Object.hash(
       applyHeightToFirstAscent,
       applyHeightToLastDescent,
       leadingDistribution.index,
@@ -2013,7 +2013,7 @@ class TextStyle {
   }
 
   @override
-  int get hashCode => hashValues(hashList(_encoded), _leadingDistribution, _fontFamily, _fontFamilyFallback, _fontSize, _letterSpacing, _wordSpacing, _height, _locale, _background, _foreground, hashList(_shadows), _decorationThickness, hashList(_fontFeatures));
+  int get hashCode => Object.hash(Object.hashAll(_encoded), _leadingDistribution, _fontFamily, _fontFamilyFallback, _fontSize, _letterSpacing, _wordSpacing, _height, _locale, _background, _foreground, Object.hashAll(_shadows ?? <Object?>[]), _decorationThickness, Object.hashAll(_fontFeatures ?? <Object?>[]));
 
   @override
   String toString() {
@@ -2257,7 +2257,7 @@ class ParagraphStyle {
   }
 
   @override
-  int get hashCode => hashValues(hashList(_encoded), _fontFamily, _fontSize, _height, _ellipsis, _locale, _leadingDistribution);
+  int get hashCode => Object.hash(Object.hashAll(_encoded), _fontFamily, _fontSize, _height, _ellipsis, _locale, _leadingDistribution);
 
   @override
   String toString() {
@@ -2452,7 +2452,7 @@ class StrutStyle {
   }
 
   @override
-  int get hashCode => hashValues(hashList(_encoded.buffer.asInt8List()), _fontFamily, _leadingDistribution);
+  int get hashCode => Object.hash(Object.hashAll(_encoded.buffer.asInt8List()), _fontFamily, _leadingDistribution);
 
 }
 
@@ -2618,7 +2618,7 @@ class TextBox {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom, direction);
+  int get hashCode => Object.hash(left, top, right, bottom, direction);
 
   @override
   String toString() => 'TextBox.fromLTRBD(${left.toStringAsFixed(1)}, ${top.toStringAsFixed(1)}, ${right.toStringAsFixed(1)}, ${bottom.toStringAsFixed(1)}, $direction)';
@@ -2725,7 +2725,7 @@ class TextPosition {
   }
 
   @override
-  int get hashCode => hashValues(offset, affinity);
+  int get hashCode => Object.hash(offset, affinity);
 
   @override
   String toString() {
@@ -2809,7 +2809,7 @@ class TextRange {
   }
 
   @override
-  int get hashCode => hashValues(
+  int get hashCode => Object.hash(
     start.hashCode,
     end.hashCode,
   );
@@ -3092,7 +3092,7 @@ class LineMetrics {
   }
 
   @override
-  int get hashCode => hashValues(hardBreak, ascent, descent, unscaledAscent, height, width, left, baseline, lineNumber);
+  int get hashCode => Object.hash(hardBreak, ascent, descent, unscaledAscent, height, width, left, baseline, lineNumber);
 
   @override
   String toString() {
diff --git a/lib/ui/window.dart b/lib/ui/window.dart
index 31e63036081b4..2bf9482996ebd 100644
--- a/lib/ui/window.dart
+++ b/lib/ui/window.dart
@@ -936,7 +936,7 @@ class GestureSettings {
   }
 
   @override
-  int get hashCode => hashValues(physicalTouchSlop, physicalDoubleTapSlop);
+  int get hashCode => Object.hash(physicalTouchSlop, physicalDoubleTapSlop);
 
   @override
   String toString() => 'GestureSettings(physicalTouchSlop: $physicalTouchSlop, physicalDoubleTapSlop: $physicalDoubleTapSlop)';
diff --git a/lib/web_ui/lib/src/engine/canvaskit/color_filter.dart b/lib/web_ui/lib/src/engine/canvaskit/color_filter.dart
index 7c6af4760a777..7c23b829836dd 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/color_filter.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/color_filter.dart
@@ -90,7 +90,7 @@ class CkBlendModeColorFilter extends CkColorFilter {
   }
 
   @override
-  int get hashCode => ui.hashValues(color, blendMode);
+  int get hashCode => Object.hash(color, blendMode);
 
   @override
   bool operator ==(Object other) {
@@ -126,7 +126,7 @@ class CkMatrixColorFilter extends CkColorFilter {
   }
 
   @override
-  int get hashCode => ui.hashList(matrix);
+  int get hashCode => Object.hashAll(matrix);
 
   @override
   bool operator ==(Object other) {
diff --git a/lib/web_ui/lib/src/engine/canvaskit/embedded_views.dart b/lib/web_ui/lib/src/engine/canvaskit/embedded_views.dart
index acbd5e8560333..e81f9b36ae862 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/embedded_views.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/embedded_views.dart
@@ -803,7 +803,7 @@ class EmbeddedViewParams {
   }
 
   @override
-  int get hashCode => ui.hashValues(offset, size, mutators);
+  int get hashCode => Object.hash(offset, size, mutators);
 }
 
 enum MutatorType {
@@ -881,7 +881,7 @@ class Mutator {
   }
 
   @override
-  int get hashCode => ui.hashValues(type, rect, rrect, path, matrix, alpha);
+  int get hashCode => Object.hash(type, rect, rrect, path, matrix, alpha);
 }
 
 /// A stack of mutators that can be applied to an embedded view.
@@ -927,7 +927,7 @@ class MutatorsStack extends Iterable<Mutator> {
   }
 
   @override
-  int get hashCode => ui.hashList(_mutators);
+  int get hashCode => Object.hashAll(_mutators);
 
   @override
   Iterator<Mutator> get iterator => _mutators.reversed.iterator;
diff --git a/lib/web_ui/lib/src/engine/canvaskit/font_fallbacks.dart b/lib/web_ui/lib/src/engine/canvaskit/font_fallbacks.dart
index 44d7fd01bfbe0..319256fcad98b 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/font_fallbacks.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/font_fallbacks.dart
@@ -602,7 +602,7 @@ class CodeunitRange {
   }
 
   @override
-  int get hashCode => ui.hashValues(start, end);
+  int get hashCode => Object.hash(start, end);
 
   @override
   String toString() => '[$start, $end]';
diff --git a/lib/web_ui/lib/src/engine/canvaskit/image_filter.dart b/lib/web_ui/lib/src/engine/canvaskit/image_filter.dart
index dc74021b69f1f..faf3fb992d0cd 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/image_filter.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/image_filter.dart
@@ -124,7 +124,7 @@ class _CkBlurImageFilter extends CkImageFilter {
   }
 
   @override
-  int get hashCode => ui.hashValues(sigmaX, sigmaY, tileMode);
+  int get hashCode => Object.hash(sigmaX, sigmaY, tileMode);
 
   @override
   String toString() {
@@ -161,7 +161,7 @@ class _CkMatrixImageFilter extends CkImageFilter {
   }
 
   @override
-  int get hashCode => ui.hashValues(filterQuality, ui.hashList(matrix));
+  int get hashCode => Object.hash(filterQuality, Object.hashAll(matrix));
 
   @override
   String toString() => 'ImageFilter.matrix($matrix, $filterQuality)';
diff --git a/lib/web_ui/lib/src/engine/canvaskit/text.dart b/lib/web_ui/lib/src/engine/canvaskit/text.dart
index afa865166de76..9b362d2a2f21d 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/text.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/text.dart
@@ -502,7 +502,7 @@ class CkStrutStyle implements ui.StrutStyle {
   }
 
   @override
-  int get hashCode => ui.hashValues(
+  int get hashCode => Object.hash(
         _fontFamily,
         _fontFamilyFallback,
         _fontSize,
diff --git a/lib/web_ui/lib/src/engine/html/path/path_ref.dart b/lib/web_ui/lib/src/engine/html/path/path_ref.dart
index 1cbc082a836a4..8f8f8261308c7 100644
--- a/lib/web_ui/lib/src/engine/html/path/path_ref.dart
+++ b/lib/web_ui/lib/src/engine/html/path/path_ref.dart
@@ -312,7 +312,7 @@ class PathRef {
   }
 
   @override
-  int get hashCode => ui.hashValues(fSegmentMask,
+  int get hashCode => Object.hash(fSegmentMask,
       fPoints, _conicWeights, _fVerbs);
 
   bool equals(PathRef ref) {
diff --git a/lib/web_ui/lib/src/engine/html/shaders/shader.dart b/lib/web_ui/lib/src/engine/html/shaders/shader.dart
index 0ae291470b0f1..c1e53cfc27dc5 100644
--- a/lib/web_ui/lib/src/engine/html/shaders/shader.dart
+++ b/lib/web_ui/lib/src/engine/html/shaders/shader.dart
@@ -711,7 +711,7 @@ class _BlurEngineImageFilter extends EngineImageFilter {
   }
 
   @override
-  int get hashCode => ui.hashValues(sigmaX, sigmaY, tileMode);
+  int get hashCode => Object.hash(sigmaX, sigmaY, tileMode);
 
   @override
   String toString() {
@@ -741,7 +741,7 @@ class _MatrixEngineImageFilter extends EngineImageFilter {
   }
 
   @override
-  int get hashCode => ui.hashValues(ui.hashList(webMatrix), filterQuality);
+  int get hashCode => Object.hash(Object.hashAll(webMatrix), filterQuality);
 
   @override
   String toString() {
diff --git a/lib/web_ui/lib/src/engine/text/line_breaker.dart b/lib/web_ui/lib/src/engine/text/line_breaker.dart
index c8232d4d84188..7a0e596f55aac 100644
--- a/lib/web_ui/lib/src/engine/text/line_breaker.dart
+++ b/lib/web_ui/lib/src/engine/text/line_breaker.dart
@@ -86,7 +86,7 @@ class LineBreakResult {
       type == LineBreakType.mandatory || type == LineBreakType.endOfText;
 
   @override
-  int get hashCode => ui.hashValues(
+  int get hashCode => Object.hash(
         index,
         indexWithoutTrailingNewlines,
         indexWithoutTrailingSpaces,
diff --git a/lib/web_ui/lib/src/engine/text/paragraph.dart b/lib/web_ui/lib/src/engine/text/paragraph.dart
index dea366f081a69..38872772ac61b 100644
--- a/lib/web_ui/lib/src/engine/text/paragraph.dart
+++ b/lib/web_ui/lib/src/engine/text/paragraph.dart
@@ -126,7 +126,7 @@ class EngineLineMetrics implements ui.LineMetrics {
   }
 
   @override
-  int get hashCode => ui.hashValues(
+  int get hashCode => Object.hash(
         displayText,
         startIndex,
         endIndex,
@@ -286,7 +286,7 @@ class EngineParagraphStyle implements ui.ParagraphStyle {
 
   @override
   int get hashCode {
-    return ui.hashValues(
+    return Object.hash(
         textAlign,
         textDirection,
         fontWeight,
@@ -490,7 +490,7 @@ class EngineTextStyle implements ui.TextStyle {
   }
 
   @override
-  int get hashCode => ui.hashValues(
+  int get hashCode => Object.hash(
         color,
         decoration,
         decorationColor,
@@ -597,7 +597,7 @@ class EngineStrutStyle implements ui.StrutStyle {
   }
 
   @override
-  int get hashCode => ui.hashValues(
+  int get hashCode => Object.hash(
         _fontFamily,
         _fontFamilyFallback,
         _fontSize,
diff --git a/lib/web_ui/lib/src/engine/text/ruler.dart b/lib/web_ui/lib/src/engine/text/ruler.dart
index 9ef928d15a1e6..74b3e0188a97f 100644
--- a/lib/web_ui/lib/src/engine/text/ruler.dart
+++ b/lib/web_ui/lib/src/engine/text/ruler.dart
@@ -159,7 +159,7 @@ class ParagraphGeometricStyle {
   }
 
   @override
-  int get hashCode => _cachedHashCode ??= ui.hashValues(
+  int get hashCode => _cachedHashCode ??= Object.hash(
         textDirection,
         textAlign,
         fontWeight,
@@ -220,11 +220,11 @@ class TextHeightStyle {
   }
 
   @override
-  late final int hashCode = ui.hashValues(
+  late final int hashCode = Object.hash(
     fontFamily,
     fontSize,
     height,
-    ui.hashList(fontFeatures),
+    Object.hashAll(fontFeatures ?? <Object?>[]),
   );
 }
 
diff --git a/lib/web_ui/lib/src/engine/text_editing/text_editing.dart b/lib/web_ui/lib/src/engine/text_editing/text_editing.dart
index 5b9c0437ffb89..19846b8f71966 100644
--- a/lib/web_ui/lib/src/engine/text_editing/text_editing.dart
+++ b/lib/web_ui/lib/src/engine/text_editing/text_editing.dart
@@ -525,7 +525,7 @@ class EditingState {
   bool get isValid => baseOffset! >= 0 && extentOffset! >= 0;
 
   @override
-  int get hashCode => ui.hashValues(text, baseOffset, extentOffset);
+  int get hashCode => Object.hash(text, baseOffset, extentOffset);
 
   @override
   bool operator ==(Object other) {
diff --git a/lib/web_ui/lib/src/ui/geometry.dart b/lib/web_ui/lib/src/ui/geometry.dart
index 0882cfaf83f41..db1dcb0cf4009 100644
--- a/lib/web_ui/lib/src/ui/geometry.dart
+++ b/lib/web_ui/lib/src/ui/geometry.dart
@@ -28,7 +28,7 @@ abstract class OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(_dx, _dy);
+  int get hashCode => Object.hash(_dx, _dy);
 
   @override
   String toString() => 'OffsetBase(${_dx.toStringAsFixed(1)}, ${_dy.toStringAsFixed(1)})';
@@ -82,7 +82,7 @@ class Offset extends OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(dx, dy);
+  int get hashCode => Object.hash(dx, dy);
 
   @override
   String toString() => 'Offset(${dx.toStringAsFixed(1)}, ${dy.toStringAsFixed(1)})';
@@ -169,7 +169,7 @@ class Size extends OffsetBase {
   }
 
   @override
-  int get hashCode => hashValues(_dx, _dy);
+  int get hashCode => Object.hash(_dx, _dy);
 
   @override
   String toString() => 'Size(${width.toStringAsFixed(1)}, ${height.toStringAsFixed(1)})';
@@ -321,7 +321,7 @@ class Rect {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom);
+  int get hashCode => Object.hash(left, top, right, bottom);
 
   @override
   String toString() => 'Rect.fromLTRB(${left.toStringAsFixed(1)}, ${top.toStringAsFixed(1)}, ${right.toStringAsFixed(1)}, ${bottom.toStringAsFixed(1)})';
@@ -374,7 +374,7 @@ class Radius {
   }
 
   @override
-  int get hashCode => hashValues(x, y);
+  int get hashCode => Object.hash(x, y);
 
   @override
   String toString() {
@@ -870,7 +870,7 @@ class RRect {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom,
+  int get hashCode => Object.hash(left, top, right, bottom,
     tlRadiusX, tlRadiusY, trRadiusX, trRadiusY,
     blRadiusX, blRadiusY, brRadiusX, brRadiusY);
 
diff --git a/lib/web_ui/lib/src/ui/hash_codes.dart b/lib/web_ui/lib/src/ui/hash_codes.dart
index b94b22a33ab87..2596629c38786 100644
--- a/lib/web_ui/lib/src/ui/hash_codes.dart
+++ b/lib/web_ui/lib/src/ui/hash_codes.dart
@@ -4,124 +4,30 @@
 
 part of ui;
 
-class _HashEnd {
-  const _HashEnd();
-}
-
-const _HashEnd _hashEnd = _HashEnd();
-
-// Jenkins hash function, optimized for small integers.
-//
-// Borrowed from the dart sdk: sdk/lib/math/jenkins_smi_hash.dart.
-abstract class _Jenkins {
-  // This class is not meant to be instantiated or extended; this constructor
-  // prevents instantiation and extension.
-  _Jenkins._();
-
-  static int combine(int hash, Object? o) {
-    assert(o is! Iterable);
-    hash = 0x1fffffff & (hash + o.hashCode);
-    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
-    hash = hash ^ (hash >> 6);
-    return hash;
-  }
-
-  static int finish(int hash) {
-    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
-    hash = hash ^ (hash >> 11);
-    hash = 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
-    return hash;
-  }
-}
-
+@Deprecated(
+  'Use Object.hash() instead '
+  'This feature was deprecated in v2.9.0-0.1.pre'
+)
 int hashValues(
-  Object? arg01,
-  Object? arg02, [
-  Object? arg03 = _hashEnd,
-  Object? arg04 = _hashEnd,
-  Object? arg05 = _hashEnd,
-  Object? arg06 = _hashEnd,
-  Object? arg07 = _hashEnd,
-  Object? arg08 = _hashEnd,
-  Object? arg09 = _hashEnd,
-  Object? arg10 = _hashEnd,
-  Object? arg11 = _hashEnd,
-  Object? arg12 = _hashEnd,
-  Object? arg13 = _hashEnd,
-  Object? arg14 = _hashEnd,
-  Object? arg15 = _hashEnd,
-  Object? arg16 = _hashEnd,
-  Object? arg17 = _hashEnd,
-  Object? arg18 = _hashEnd,
-  Object? arg19 = _hashEnd,
-  Object? arg20 = _hashEnd,
-]) {
-  int result = 0;
-  result = _Jenkins.combine(result, arg01);
-  result = _Jenkins.combine(result, arg02);
-  if (arg03 != _hashEnd) {
-    result = _Jenkins.combine(result, arg03);
-    if (arg04 != _hashEnd) {
-      result = _Jenkins.combine(result, arg04);
-      if (arg05 != _hashEnd) {
-        result = _Jenkins.combine(result, arg05);
-        if (arg06 != _hashEnd) {
-          result = _Jenkins.combine(result, arg06);
-          if (arg07 != _hashEnd) {
-            result = _Jenkins.combine(result, arg07);
-            if (arg08 != _hashEnd) {
-              result = _Jenkins.combine(result, arg08);
-              if (arg09 != _hashEnd) {
-                result = _Jenkins.combine(result, arg09);
-                if (arg10 != _hashEnd) {
-                  result = _Jenkins.combine(result, arg10);
-                  if (arg11 != _hashEnd) {
-                    result = _Jenkins.combine(result, arg11);
-                    if (arg12 != _hashEnd) {
-                      result = _Jenkins.combine(result, arg12);
-                      if (arg13 != _hashEnd) {
-                        result = _Jenkins.combine(result, arg13);
-                        if (arg14 != _hashEnd) {
-                          result = _Jenkins.combine(result, arg14);
-                          if (arg15 != _hashEnd) {
-                            result = _Jenkins.combine(result, arg15);
-                            if (arg16 != _hashEnd) {
-                              result = _Jenkins.combine(result, arg16);
-                              if (arg17 != _hashEnd) {
-                                result = _Jenkins.combine(result, arg17);
-                                if (arg18 != _hashEnd) {
-                                  result = _Jenkins.combine(result, arg18);
-                                  if (arg19 != _hashEnd) {
-                                    result = _Jenkins.combine(result, arg19);
-                                    if (arg20 != _hashEnd) {
-                                      result = _Jenkins.combine(result, arg20);
-                                      // I can see my house from here!
-                                    }
-                                  }
-                                }
-                              }
-                            }
-                          }
-                        }
-                      }
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-  return _Jenkins.finish(result);
-}
-
-int hashList(Iterable<Object?>? arguments) {
-  int result = 0;
-  if (arguments != null) {
-    for (final Object? argument in arguments)
-      result = _Jenkins.combine(result, argument);
-  }
-  return _Jenkins.finish(result);
-}
+  Object? arg01, Object? arg02, [
+  Object? arg03, Object? arg04,
+  Object? arg05, Object? arg06,
+  Object? arg07, Object? arg08,
+  Object? arg09, Object? arg10,
+  Object? arg11, Object? arg12,
+  Object? arg13, Object? arg14,
+  Object? arg15, Object? arg16,
+  Object? arg17, Object? arg18,
+  Object? arg19, Object? arg20, ]
+  ) => Object.hash(
+    arg01, arg02, arg03, arg04, arg05, arg06,
+    arg07, arg08, arg09, arg10, arg11, arg12,
+    arg13, arg14, arg15, arg16, arg17, arg18,
+    arg19, arg20,
+  );
+
+@Deprecated(
+  'Use Object.hashAll() or Object.hashAllUnordered() instead '
+  'This feature was deprecated in v2.9.0-0.1.pre'
+)
+int hashList(Iterable<Object?>? arguments) => Object.hashAll(arguments ?? <Object?>[]);
diff --git a/lib/web_ui/lib/src/ui/painting.dart b/lib/web_ui/lib/src/ui/painting.dart
index 98a9213bb1e06..86a93226fedf7 100644
--- a/lib/web_ui/lib/src/ui/painting.dart
+++ b/lib/web_ui/lib/src/ui/painting.dart
@@ -383,7 +383,7 @@ class MaskFilter {
   }
 
   @override
-  int get hashCode => hashValues(_style, _sigma);
+  int get hashCode => Object.hash(_style, _sigma);
 
   @override
   String toString() => 'MaskFilter.blur($_style, ${_sigma.toStringAsFixed(1)})';
@@ -706,7 +706,7 @@ class Shadow {
   }
 
   @override
-  int get hashCode => hashValues(color, offset, blurRadius);
+  int get hashCode => Object.hash(color, offset, blurRadius);
 
   @override
   String toString() => 'TextShadow($color, $offset, $blurRadius)';
diff --git a/lib/web_ui/lib/src/ui/platform_dispatcher.dart b/lib/web_ui/lib/src/ui/platform_dispatcher.dart
index 1027aa7f9b12a..ec64517caedfd 100644
--- a/lib/web_ui/lib/src/ui/platform_dispatcher.dart
+++ b/lib/web_ui/lib/src/ui/platform_dispatcher.dart
@@ -351,7 +351,7 @@ class DisplayFeature {
   }
 
   @override
-  int get hashCode => hashValues(bounds, type, state);
+  int get hashCode => Object.hash(bounds, type, state);
 
   @override
   String toString() {
@@ -506,7 +506,7 @@ class Locale {
   }
 
   @override
-  int get hashCode => hashValues(languageCode, scriptCode, countryCode);
+  int get hashCode => Object.hash(languageCode, scriptCode, countryCode);
 
   @override
   String toString() => _rawToString('_');
diff --git a/lib/web_ui/lib/src/ui/text.dart b/lib/web_ui/lib/src/ui/text.dart
index a076c6bcd8fe4..ff3a785c9b1bb 100644
--- a/lib/web_ui/lib/src/ui/text.dart
+++ b/lib/web_ui/lib/src/ui/text.dart
@@ -173,7 +173,7 @@ class FontFeature {
   }
 
   @override
-  int get hashCode => hashValues(feature, value);
+  int get hashCode => Object.hash(feature, value);
 
   @override
   String toString() => "FontFeature('$feature', $value)";
@@ -274,7 +274,7 @@ class TextHeightBehavior {
 
   @override
   int get hashCode {
-    return hashValues(
+    return Object.hash(
       applyHeightToFirstAscent,
       applyHeightToLastDescent,
     );
@@ -532,7 +532,7 @@ class TextBox {
   }
 
   @override
-  int get hashCode => hashValues(left, top, right, bottom, direction);
+  int get hashCode => Object.hash(left, top, right, bottom, direction);
 
   @override
   String toString() {
@@ -565,7 +565,7 @@ class TextPosition {
   }
 
   @override
-  int get hashCode => hashValues(offset, affinity);
+  int get hashCode => Object.hash(offset, affinity);
 
   @override
   String toString() {
@@ -613,7 +613,7 @@ class TextRange {
   }
 
   @override
-  int get hashCode => hashValues(
+  int get hashCode => Object.hash(
         start.hashCode,
         end.hashCode,
       );
diff --git a/lib/web_ui/lib/src/ui/window.dart b/lib/web_ui/lib/src/ui/window.dart
index d88e6dc5a56fa..374a947bbcc5e 100644
--- a/lib/web_ui/lib/src/ui/window.dart
+++ b/lib/web_ui/lib/src/ui/window.dart
@@ -290,7 +290,7 @@ class GestureSettings {
   }
 
   @override
-  int get hashCode => hashValues(physicalTouchSlop, physicalDoubleTapSlop);
+  int get hashCode => Object.hash(physicalTouchSlop, physicalDoubleTapSlop);
 
   @override
   String toString() => 'GestureSettings(physicalTouchSlop: $physicalTouchSlop, physicalDoubleTapSlop: $physicalDoubleTapSlop)';
diff --git a/lib/web_ui/test/engine/profiler_test.dart b/lib/web_ui/test/engine/profiler_test.dart
index 4bce4c906c31a..2fd9e420afcf7 100644
--- a/lib/web_ui/test/engine/profiler_test.dart
+++ b/lib/web_ui/test/engine/profiler_test.dart
@@ -9,7 +9,6 @@ import 'dart:js_util' as js_util;
 import 'package:test/bootstrap/browser.dart';
 import 'package:test/test.dart';
 import 'package:ui/src/engine.dart';
-import 'package:ui/ui.dart';
 
 import '../spy.dart';
 
@@ -138,7 +137,7 @@ class BenchmarkDatapoint {
   final num value;
 
   @override
-  int get hashCode => hashValues(name, value);
+  int get hashCode => Object.hash(name, value);
 
   @override
   bool operator ==(Object other) {
diff --git a/lib/web_ui/test/hash_codes_test.dart b/lib/web_ui/test/hash_codes_test.dart
index 7f56a727b6811..1fa397b32dcd6 100644
--- a/lib/web_ui/test/hash_codes_test.dart
+++ b/lib/web_ui/test/hash_codes_test.dart
@@ -4,7 +4,6 @@
 
 import 'package:test/bootstrap/browser.dart';
 import 'package:test/test.dart';
-import 'package:ui/ui.dart';
 
 // The biggest integer value that can be represented in JavaScript is 1 << 53.
 // However, the 1 << 53 expression cannot be used in JavaScript because that
@@ -17,9 +16,9 @@ void main() {
 }
 
 void testMain() {
-  test('hashValues can hash lots of huge values effectively', () {
+  test('Object.hash can hash lots of huge values effectively', () {
     expect(
-      hashValues(
+      Object.hash(
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
@@ -41,11 +40,11 @@ void testMain() {
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
       ),
-      496984395,
+      41747581,
     );
     // Hash a slightly smaller number to verify that the hash code is different.
     expect(
-      hashValues(
+      Object.hash(
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
@@ -67,13 +66,13 @@ void testMain() {
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt - 1,
       ),
-      455584273,
+      356874216,
     );
   });
 
-  test('hashList can hash lots of huge values effectively', () {
+  test('Object.hashAll can hash lots of huge values effectively', () {
     expect(
-      hashList(<int>[
+      Object.hashAll(<int>[
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
@@ -95,11 +94,11 @@ void testMain() {
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
       ]),
-      496984395,
+      41747581,
     );
     // Hash a slightly smaller number to verify that the hash code is different.
     expect(
-      hashList(<int>[
+      Object.hashAll(<int>[
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt,
@@ -121,7 +120,7 @@ void testMain() {
         _kBiggestExactJavaScriptInt,
         _kBiggestExactJavaScriptInt - 1,
       ]),
-      455584273,
+      356874216,
     );
   });
 }
diff --git a/lib/web_ui/test/text/line_breaker_test.dart b/lib/web_ui/test/text/line_breaker_test.dart
index 32673dc91233a..c5c6b6083875e 100644
--- a/lib/web_ui/test/text/line_breaker_test.dart
+++ b/lib/web_ui/test/text/line_breaker_test.dart
@@ -6,7 +6,6 @@ import 'package:test/bootstrap/browser.dart';
 import 'package:test/test.dart';
 
 import 'package:ui/src/engine.dart';
-import 'package:ui/ui.dart';
 
 import 'line_breaker_test_helper.dart';
 import 'line_breaker_test_raw_data.dart';
@@ -310,7 +309,7 @@ class Line {
   final LineBreakType breakType;
 
   @override
-  int get hashCode => hashValues(text, breakType);
+  int get hashCode => Object.hash(text, breakType);
 
   @override
   bool operator ==(Object other) {