diff --git a/PCbuild/tcltk.props b/PCbuild/tcltk.props
index 7dc31c3..c04311c 100644
--- a/PCbuild/tcltk.props
+++ b/PCbuild/tcltk.props
@@ -14,10 +14,10 @@ ﻿<?xml version="1.0" encoding="utf-8"?>
     <TixMinorVersion>4</TixMinorVersion>
     <TixPatchLevel>3</TixPatchLevel>
     <TixRevision>6</TixRevision>
-    <tclDir>$(ExternalsDir)tcl-core-$(TclMajorVersion).$(TclMinorVersion).$(TclPatchLevel).$(TclRevision)\</tclDir>
-    <tkDir>$(ExternalsDir)tk-$(TkMajorVersion).$(TkMinorVersion).$(TkPatchLevel).$(TkRevision)\</tkDir>
-    <tixDir>$(ExternalsDir)tix-$(TixMajorVersion).$(TixMinorVersion).$(TixPatchLevel).$(TixRevision)\</tixDir>
-    <tcltkDir>$(ExternalsDir)tcltk-$(TclMajorVersion).$(TclMinorVersion).$(TclPatchLevel).$(TclRevision)\$(ArchName)\</tcltkDir>
+    <tclDir>$(TCLTK_DIR)\</tclDir>
+    <tkDir>$(TCLTK_DIR)\</tkDir>
+    <tixDir>$(TCLTK_DIR)\</tixDir>
+    <tcltkDir>$(TCLTK_DIR)\</tcltkDir>
     <!--<TclDebugExt Condition="'$(Configuration)' == 'Debug'">g</TclDebugExt>-->
     <tclDLLName>tcl$(TclMajorVersion)$(TclMinorVersion)t$(TclDebugExt).dll</tclDLLName>
     <tclLibName>tcl$(TclMajorVersion)$(TclMinorVersion)t$(TclDebugExt).lib</tclLibName>
diff --git a/PCbuild/tix.vcxproj b/PCbuild/tix.vcxproj
index b0fabeb..6930fec 100644
--- a/PCbuild/tix.vcxproj
+++ b/PCbuild/tix.vcxproj
@@ -56,7 +56,7 @@ ﻿<?xml version="1.0" encoding="utf-8"?>
     <TixDirs>BUILDDIRTOP="$(BuildDirTop)" TCL_DIR="$(tclDir.TrimEnd(`\`))" TK_DIR="$(tkDir.TrimEnd(`\`))" INSTALL_DIR="$(OutDir.TrimEnd(`\`))"</TixDirs>
     <DebugFlags Condition="'$(Configuration)' == 'Debug'">DEBUG=1 NODEBUG=0 TCL_DBGX=g TK_DBGX=g</DebugFlags>
     <DebugFlags Condition="'$(Configuration)' != 'Debug'">DEBUG=0 NODEBUG=1</DebugFlags>
-    <CFlags>-c -W3 -nologo -MD -wd4028 -wd4090 -wd4244 -wd4267 -wd4312</CFlags>
+    <CFlags>$(CFLAGS)</CFlags>
     <NMakeBuildCommandLine>setlocal
 set VCINSTALLDIR=$(VCInstallDir)
 cd /D "$(tixDir)win"
@@ -74,17 +74,6 @@ copy /Y ..\license.terms "$(OutDir)\tixlicense.terms"
     <Exec Command="$(_SignCommand) &quot;%(FilesToSign.FullPath)&quot;" ContinueOnError="true" />
   </Target>
 
-  <ItemGroup>
-    <ProjectReference Include="tcl.vcxproj">
-      <Project>{b5fd6f1d-129e-4bff-9340-03606fac7283}</Project>
-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
-    </ProjectReference>
-    <ProjectReference Include="tk.vcxproj">
-      <Project>{7e85eccf-a72c-4da4-9e52-884508e80ba1}</Project>
-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
-    </ProjectReference>
-  </ItemGroup>
-
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
 
   <Target Name="Clean" />
@@ -94,4 +83,4 @@ copy /Y ..\license.terms "$(OutDir)\tixlicense.terms"
   </Target>
   
   <Target Name="ResolveAssemblyReferences" />
-</Project>
\ No newline at end of file
+</Project>
