diff --git a/solution/tc_project_app/tc_project_app.plcproj b/solution/tc_project_app/tc_project_app.plcproj
index 23772d4..c52eb62 100644
--- a/solution/tc_project_app/tc_project_app.plcproj
+++ b/solution/tc_project_app/tc_project_app.plcproj
@@ -148,7 +148,6 @@
     <Folder Include="tc_mca_std_lib\POUs" />
     <Folder Include="tc_mca_std_lib\POUs\ChangeConfig" />
     <Folder Include="tc_mca_std_lib\POUs\Motion" />
-    <Folder Include="tc_mca_std_lib\POUs\Hardware" />
     <Folder Include="tc_mca_std_lib\POUs\Motion\Homing" />
     <Folder Include="tc_mca_std_lib\POUs\VISUs" />
     <Folder Include="Test\app_tests" />
@@ -232,6 +231,10 @@
       <DefaultResolution>Tc3_Module, * (Beckhoff Automation GmbH)</DefaultResolution>
       <Namespace>Tc3_Module</Namespace>
     </PlaceholderReference>
+    <PlaceholderReference Include="TcUnit">
+      <DefaultResolution>TcUnit, * (www.tcunit.org)</DefaultResolution>
+      <Namespace>TcUnit</Namespace>
+    </PlaceholderReference>
     <PlaceholderReference Include="VisuDialogs">
       <DefaultResolution>VisuDialogs, * (System)</DefaultResolution>
       <Namespace>VisuDialogs</Namespace>
@@ -242,6 +245,11 @@
       <SubType>Content</SubType>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <PlaceholderResolution Include="Tc2_MC2">
+      <Resolution>Tc2_MC2, 3.3.28.0 (Beckhoff Automation GmbH)</Resolution>
+    </PlaceholderResolution>
+  </ItemGroup>
   <ProjectExtensions>
     <PlcProjectOptions>
       <XmlArchive>