diff --git a/ReactWindows/ReactNative.Net46.Tests/UIManager/RootViewHelperTests.cs b/ReactWindows/ReactNative.Net46.Tests/UIManager/RootViewHelperTests.cs
index 35b4168b2ff..bfb10f3c699 100644
--- a/ReactWindows/ReactNative.Net46.Tests/UIManager/RootViewHelperTests.cs
+++ b/ReactWindows/ReactNative.Net46.Tests/UIManager/RootViewHelperTests.cs
@@ -1,7 +1,5 @@
 using NUnit.Framework;
 using ReactNative.UIManager;
-using System.Windows;
-using System.Windows.Controls;
 
 namespace ReactNative.Tests.UIManager
 {
@@ -13,12 +11,5 @@ public void RootViewHelper_Null()
         {
             Assert.IsNull(RootViewHelper.GetRootView(null));
         }
-
-        class TestRootView : Panel, IRootView
-        {
-            public void OnChildStartedNativeGesture(RoutedEventArgs ev)
-            {
-            }
-        }
     }
 }
diff --git a/ReactWindows/ReactNative.Shared/ReactNative.Shared.projitems b/ReactWindows/ReactNative.Shared/ReactNative.Shared.projitems
index 2bcc8272bc9..9b7ca636b45 100644
--- a/ReactWindows/ReactNative.Shared/ReactNative.Shared.projitems
+++ b/ReactWindows/ReactNative.Shared/ReactNative.Shared.projitems
@@ -148,7 +148,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\Events\TouchEventTypeExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\IPropertySetter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\IReactCompoundView.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)UIManager\IRootView.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\IViewManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\IViewParentManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\LayoutAnimation\AnimatedPropertyType.cs" />
@@ -163,7 +162,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\LayoutAnimation\StoryboardObservable.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\LayoutShadowNode.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\MatrixMathHelper.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)UIManager\MeasureAssertions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\NativeViewHierarchyManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\NativeViewHierarchyOptimizer.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UIManager\OnLayoutEvent.cs" />
diff --git a/ReactWindows/ReactNative.Shared/UIManager/IRootView.cs b/ReactWindows/ReactNative.Shared/UIManager/IRootView.cs
deleted file mode 100644
index 348b8c07ad1..00000000000
--- a/ReactWindows/ReactNative.Shared/UIManager/IRootView.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-#if WINDOWS_UWP
-using Windows.UI.Xaml;
-#else
-using System.Windows;
-#endif
-
-namespace ReactNative.UIManager
-{
-    /// <summary>
-    /// Interface for the root native view of a React Native application.
-    /// </summary>
-    public interface IRootView
-    {
-        /// <summary>
-        /// Called when a child starts a native gesture.
-        /// </summary>
-        /// <param name="e">The event.</param>
-        void OnChildStartedNativeGesture(RoutedEventArgs e);
-    }
-}
diff --git a/ReactWindows/ReactNative.Shared/UIManager/MeasureAssertions.cs b/ReactWindows/ReactNative.Shared/UIManager/MeasureAssertions.cs
deleted file mode 100644
index 509f62126b3..00000000000
--- a/ReactWindows/ReactNative.Shared/UIManager/MeasureAssertions.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-
-namespace ReactNative.UIManager
-{
-    static class MeasureAssertions
-    {
-        public static void AssertExplicitMeasurement(double width, double height)
-        {
-            if (IsUnspecified(width) || IsUnspecified(height))
-            {
-                throw new InvalidOperationException("A React view must have an explicit width and height.");
-            }
-        }
-
-        private static bool IsUnspecified(double value)
-        {
-            return double.IsInfinity(value) || double.IsNaN(value);
-        }
-    }
-}
diff --git a/ReactWindows/ReactNative.Tests/UIManager/RootViewHelperTests.cs b/ReactWindows/ReactNative.Tests/UIManager/RootViewHelperTests.cs
index 0a06609d87d..aa6977a839e 100644
--- a/ReactWindows/ReactNative.Tests/UIManager/RootViewHelperTests.cs
+++ b/ReactWindows/ReactNative.Tests/UIManager/RootViewHelperTests.cs
@@ -13,12 +13,5 @@ public void RootViewHelper_Null()
         {
             Assert.IsNull(RootViewHelper.GetRootView(null));
         }
-
-        class TestRootView : Panel, IRootView
-        {
-            public void OnChildStartedNativeGesture(RoutedEventArgs ev)
-            {
-            }
-        }
     }
 }