diff --git a/sky/packages/sky/lib/material.dart b/sky/packages/sky/lib/material.dart
index a2560cca35d..8f4df1b754b 100644
--- a/sky/packages/sky/lib/material.dart
+++ b/sky/packages/sky/lib/material.dart
@@ -20,7 +20,6 @@ export 'src/material/drawer_divider.dart';
 export 'src/material/drawer_header.dart';
 export 'src/material/drawer_item.dart';
 export 'src/material/dropdown.dart';
-export 'src/material/edges.dart';
 export 'src/material/flat_button.dart';
 export 'src/material/floating_action_button.dart';
 export 'src/material/icon.dart';
diff --git a/sky/packages/sky/lib/src/material/edges.dart b/sky/packages/sky/lib/src/material/edges.dart
deleted file mode 100644
index c753c423ba1..00000000000
--- a/sky/packages/sky/lib/src/material/edges.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-enum MaterialEdge { canvas, card, circle }
-
-// This map gives the border radii for each type of material.
-const Map<MaterialEdge, double> edges = const <MaterialEdge, double>{
-  MaterialEdge.canvas: null,
-  MaterialEdge.card: 2.0,
-  MaterialEdge.circle: null,
-};