diff --git a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Common/ImportAfter/Xamarin.Android.Windows.targets b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Common/ImportAfter/Xamarin.Android.Windows.targets
index 7b16e67727c..623dda9c056 100644
--- a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Common/ImportAfter/Xamarin.Android.Windows.targets
+++ b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Common/ImportAfter/Xamarin.Android.Windows.targets
@@ -15,7 +15,7 @@ Copyright (C) 2014 Xamarin. All rights reserved.
 	</PropertyGroup>
 
 	<Target Name="_RegisterAndroidFilesWithFileWrites" BeforeTargets="IncrementalClean" Condition=" '$(_IsRunningXBuild)' != 'true' ">  
-		<CreateItem Include="$(OutDir)*.pdb;$(OutDir)*.dll;$(OutDir)*.dll.mdb;$(MonoAndroidIntermediateAssemblyDir)*.dll.mdb;$(MonoAndroidIntermediateAssemblyDir)*.pdb;$(MonoAndroidLinkerInputDir)*.dll.mdb;$(MonoAndroidLinkerInputDir)*.pdb;$(_AndroidManagedResourceDesignerFile)">  
+		<CreateItem Include="$(OutDir)*.pdb;$(OutDir)*.dll;$(OutDir)*.dll.mdb;$(MonoAndroidIntermediateAssemblyDir)*.dll.mdb;$(MonoAndroidIntermediateAssemblyDir)*.pdb;$(MonoAndroidLinkerInputDir)*.dll.mdb;$(MonoAndroidLinkerInputDir)*.pdb">  
 			<Output TaskParameter="Include" ItemName="_FilesToRegister" />
 		</CreateItem>
 		<CreateItem Include="$([System.IO.Path]::GetFullPath('%(_FilesToRegister.Identity)'))"
diff --git a/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/AndroidUpdateResourcesTest.cs b/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/AndroidUpdateResourcesTest.cs
index 1d743374e59..08630822129 100644
--- a/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/AndroidUpdateResourcesTest.cs
+++ b/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/AndroidUpdateResourcesTest.cs
@@ -1014,7 +1014,7 @@ public void BuildAppWithManagedResourceParser()
 					"Target '_ManagedUpdateAndroidResgen' should not have run.");
 
 				Assert.IsTrue (appBuilder.Clean (appProj), "Clean should have succeeded");
-				Assert.IsFalse (File.Exists (designerFile), $"'{designerFile}' should have been cleaned.");
+				Assert.IsTrue (File.Exists (designerFile), $"'{designerFile}' should not have been cleaned.");
 
 			}
 		}
@@ -1110,10 +1110,10 @@ public void BuildAppWithManagedResourceParserAndLibraries ()
 
 
 					Assert.IsTrue (appBuilder.Clean (appProj), "Clean should have succeeded");
-					Assert.IsFalse (File.Exists (designerFile), $"'{designerFile}' should have been cleaned.");
+					Assert.IsTrue (File.Exists (designerFile), $"'{designerFile}' should not have been cleaned.");
 					designerFile = Path.Combine (Root, path, libProj.ProjectName, libProj.IntermediateOutputPath, "designtime", "Resource.Designer.cs");
 					Assert.IsTrue (libBuilder.Clean (libProj), "Clean should have succeeded");
-					Assert.IsFalse (File.Exists (designerFile), $"'{designerFile}' should have been cleaned.");
+					Assert.IsTrue (File.Exists (designerFile), $"'{designerFile}' should not have been cleaned.");
 
 
 				}
diff --git a/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/IncrementalBuildTest.cs b/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/IncrementalBuildTest.cs
index 67dfe59a02f..0ff5e01d6b6 100644
--- a/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/IncrementalBuildTest.cs
+++ b/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/IncrementalBuildTest.cs
@@ -12,6 +12,85 @@ namespace Xamarin.Android.Build.Tests
 	[Parallelizable (ParallelScope.Children)]
 	public class IncrementalBuildTest : BaseTest
 	{
+		[Test]
+		public void IncrementalCleanDuringClean ()
+		{
+			var path = Path.Combine ("temp", TestName);
+			var proj = new XamarinAndroidApplicationProject () {
+				ProjectName = "App1",
+				IsRelease = true,
+			};
+			proj.SetProperty ("AndroidUseManagedDesignTimeResourceGenerator", "True");
+			proj.SetProperty ("BuildingInsideVisualStudio", "True");
+			using (var b = CreateApkBuilder (path)) {
+				b.Target = "Compile";
+				Assert.IsTrue(b.Build (proj), "DesignTime Build should have succeeded");
+				var designTimeDesigner = Path.Combine (Root, b.ProjectDirectory, proj.IntermediateOutputPath, "designtime", "Resource.designer.cs");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should have been created.");
+				b.Target = "Build";
+				Assert.IsTrue(b.Build (proj), "Build should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after Build.");
+				b.Target = "Clean";
+				Assert.IsTrue(b.Build (proj), "Clean should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after Clean.");
+				b.Target = "Compile";
+				Assert.IsTrue(b.Build (proj), "Build should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after Compile.");
+				b.Target = "Build";
+				Assert.IsTrue(b.Build (proj), "Build should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after second Build.");
+				Assert.IsTrue(b.Build (proj), "Build should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after third Build.");
+				b.Target = "Compile";
+				Assert.IsTrue(b.Build (proj), "Build should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after second Compile.");
+				b.Target = "Clean";
+				Assert.IsTrue(b.Build (proj), "Clean should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after second Clean.");
+				b.Target = "ReBuild";
+				Assert.IsTrue(b.Build (proj), "ReBuild should have succeeded");
+				FileAssert.Exists (designTimeDesigner, $"{designTimeDesigner} should still exist after ReBuild.");
+			}
+
+		}
+
+		[Test]
+		public void LibraryIncrementalBuild () {
+
+			var testPath = Path.Combine ("temp", TestName);
+			var class1Source = new BuildItem.Source ("Class1.cs") {
+				TextContent = () => @"
+using System;
+namespace Lib
+{
+	public class Class1
+	{
+		public Class1 ()
+		{
+		}
+	}
+}"
+			};
+			var lib = new XamarinAndroidLibraryProject () {
+				ProjectName = "Lib",
+				ProjectGuid = Guid.NewGuid ().ToString (),
+				Sources = {
+					class1Source,
+				},
+			};
+			using (var b = CreateDllBuilder (Path.Combine (testPath, "Lib"))) {
+				Assert.IsTrue (b.Build (lib), "Build should have succeeded.");
+				Assert.IsTrue (b.LastBuildOutput.ContainsText ("LogicalName=__AndroidLibraryProjects__.zip") ||
+						b.LastBuildOutput.ContainsText ("Lib.obj.Debug.__AndroidLibraryProjects__.zip,__AndroidLibraryProjects__.zip"),
+						"The LogicalName for __AndroidLibraryProjects__.zip should be set.");
+				class1Source.Timestamp = DateTime.UtcNow.Add (TimeSpan.FromMinutes (1));
+				Assert.IsTrue (b.Build (lib), "Build should have succeeded.");
+				Assert.IsTrue (b.LastBuildOutput.ContainsText ("LogicalName=__AndroidLibraryProjects__.zip") ||
+						b.LastBuildOutput.ContainsText ("Lib.obj.Debug.__AndroidLibraryProjects__.zip,__AndroidLibraryProjects__.zip"),
+						"The LogicalName for __AndroidLibraryProjects__.zip should be set.");
+			}
+		}
+
 		[Test]
 		public void AllProjectsHaveSameOutputDirectory()
 		{
diff --git a/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets b/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
index c9b90c4502d..ea44cc8b991 100755
--- a/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
+++ b/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
@@ -1107,11 +1107,6 @@ because xbuild doesn't support framework reference assemblies.
 		<Compile Remove="@(CorrectCasedItem)" Condition=" '$(ManagedDesignTimeBuild)' == 'True' And '%(CorrectCasedItem.Identity)' != '' "/>
 		<Compile Include="$(_AndroidManagedResourceDesignerFile)" Condition=" '$(ManagedDesignTimeBuild)' == 'True' And Exists ('$(_AndroidManagedResourceDesignerFile)')" />
 	</ItemGroup>
-	<WriteLinesToFile
-		Condition="Exists ('$(_AndroidManagedResourceDesignerFile)')"
-		File="$(IntermediateOutputPath)$(CleanFile)"
-		Lines="$([System.IO.Path]::GetFullPath('$(_AndroidManagedResourceDesignerFile)'))"
-		Overwrite="false" />
 </Target>
 	
 <!-- Resource Build -->