diff --git a/engine/src/flutter/lib/web_ui/dev/test_platform.dart b/engine/src/flutter/lib/web_ui/dev/test_platform.dart
index dd871b16dd..8bc3bc39fd 100644
--- a/engine/src/flutter/lib/web_ui/dev/test_platform.dart
+++ b/engine/src/flutter/lib/web_ui/dev/test_platform.dart
@@ -1104,7 +1104,6 @@ class BrowserManager {
       default:
         // Unreachable.
         assert(false);
-        break;
     }
   }
 
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
index 9695f4dbb2..0dcd004bd5 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
@@ -823,7 +823,6 @@ class BitmapCanvas extends EngineCanvas {
           ..backgroundBlendMode =
               blendModeToCssMixBlendMode(colorFilterBlendMode) ?? ''
           ..backgroundColor = filterColor!.toCssString();
-        break;
     }
     return imgElement;
   }
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/text_capitalization.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/text_capitalization.dart
index 34951a3771..8a81829c3c 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/text_capitalization.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/text_capitalization.dart
@@ -77,7 +77,6 @@ class TextCapitalizationConfig {
       case TextCapitalization.none:
       default:
         autocapitalize = 'off';
-        break;
     }
     if (domInstanceOfString(domElement, 'HTMLInputElement')) {
       final DomHTMLInputElement element = domElement as DomHTMLInputElement;