Simplify MSI projects.
diff --git a/Tools/msi/tcltk/tcltk.wixproj b/Tools/msi/tcltk/tcltk.wixproj
index 1dcdfad..4d1d74c 100644
--- a/Tools/msi/tcltk/tcltk.wixproj
+++ b/Tools/msi/tcltk/tcltk.wixproj
@@ -5,7 +5,45 @@
         <SchemaVersion>2.0</SchemaVersion>
         <OutputName>tcltk</OutputName>
         <OutputType>Package</OutputType>
-        <DefineConstants>IncludeDefaultFeature=1;$(DefineConstants)</DefineConstants>
     </PropertyGroup>
-    <Import Project="tcltk.props" />
+    <PropertyGroup>
+        <!-- Shortcut validation is not necessary -->
+        <SuppressICEs>ICE43</SuppressICEs>
+    </PropertyGroup>
+    <Import Project="..\msi.props" />
+    <ItemGroup>
+        <Compile Include="tcltk.wxs" />
+        <Compile Include="tcltk_files.wxs" />
+    </ItemGroup>
+    <ItemGroup>
+        <WxlTemplate Include="*.wxl_template" />
+    </ItemGroup>
+    <ItemGroup>
+        <InstallFiles Include="$(tcltkDir)bin\*.dll" Exclude="$(tcltkDir)bin\*g.dll">
+            <SourceBase>$(tcltkDir)</SourceBase>
+            <Source>!(bindpath.tcltk)</Source>
+            <TargetBase>$(tcltkDir)bin</TargetBase>
+            <Target_>DLLs\</Target_>
+            <Group>tcltk_dlls</Group>
+        </InstallFiles>
+
+        <InstallFiles Include="$(tcltkDir)lib\**\*">
+            <SourceBase>$(tcltkDir)</SourceBase>
+            <Source>!(bindpath.tcltk)</Source>
+            <TargetBase>$(tcltkDir)lib</TargetBase>
+            <Target_>tcl\</Target_>
+            <Group>tcltk_lib</Group>
+        </InstallFiles>
+
+        <InstallFiles Include="$(PySourcePath)Lib\tkinter\**\*;$(PySourcePath)Lib\idlelib\**\*;$(PySourcePath)Lib\turtledemo\**\*"
+                      Exclude="$(PySourcePath)Lib\**\*.pyc;$(PySourcePath)Lib\**\*.pyo">
+            <SourceBase>$(PySourcePath)</SourceBase>
+            <Source>!(bindpath.src)</Source>
+            <TargetBase>$(PySourcePath)</TargetBase>
+            <Target_></Target_>
+            <Group>tkinter_lib</Group>
+        </InstallFiles>
+    </ItemGroup>
+    
+    <Import Project="..\msi.targets" />
 </Project>
\ No newline at end of file