diff --git a/Oqtane.Client/UI/ModuleInstance.placeholder.cs b/Oqtane.Client/UI/ModuleInstance.placeholder.cs
new file mode 100644
index 00000000..f5899b5e
--- /dev/null
+++ b/Oqtane.Client/UI/ModuleInstance.placeholder.cs
@@ -0,0 +1,13 @@
+// This is just a placeholder file
+// It is necessary for the documentation to successfully build this project.
+// Reason is that docfx will run the .net compiler and find references
+// to this class in the project.
+// But since the real class is just a .razor file, ATM docfx will fail.
+//
+// Note added 2024-06-27 by @iJungleboy.
+// We hope that as .net and docfx improve, the razor-compiler will work in that scenario
+// as well, and this file can be removed.
+
+namespace Oqtane.UI;
+
+public partial class ModuleInstance;
diff --git a/Oqtane.Client/UI/RenderModeBoundary.placeholder.cs b/Oqtane.Client/UI/RenderModeBoundary.placeholder.cs
new file mode 100644
index 00000000..838231d8
--- /dev/null
+++ b/Oqtane.Client/UI/RenderModeBoundary.placeholder.cs
@@ -0,0 +1,13 @@
+// This is just a placeholder file
+// It is necessary for the documentation to successfully build this project.
+// Reason is that docfx will run the .net compiler and find references
+// to this class in the project.
+// But since the real class is just a .razor file, ATM docfx will fail.
+//
+// Note added 2024-06-27 by @iJungleboy.
+// We hope that as .net and docfx improve, the razor-compiler will work in that scenario
+// as well, and this file can be removed.
+
+namespace Oqtane.UI;
+
+public partial class RenderModeBoundary;
diff --git a/Oqtane.Server/Components/_Placeholder.cs b/Oqtane.Server/Components/_Placeholder.cs
new file mode 100644
index 00000000..570e95ac
--- /dev/null
+++ b/Oqtane.Server/Components/_Placeholder.cs
@@ -0,0 +1,16 @@
+// This is just a placeholder file
+// It is necessary for the documentation to successfully build this project.
+// Reason is that docfx will run the .net compiler and find references
+// to this class in the project.
+// But since the real class is just a .razor file, ATM docfx will fail.
+//
+// Note added 2024-06-27 by @iJungleboy.
+// We hope that as .net and docfx improve, the razor-compiler will work in that scenario
+// as well, and this file can be removed.
+
+using Oqtane.Documentation;
+
+namespace Oqtane.Components;
+
+[PrivateApi]
+public class _Placeholder;