diff --git a/TGServerService/ProcessExtension.cs b/TGServerService/ProcessExtension.cs
index 74758b40f3..ecf336a9a0 100644
--- a/TGServerService/ProcessExtension.cs
+++ b/TGServerService/ProcessExtension.cs
@@ -7,7 +7,7 @@ namespace TGServerService
 	/// <summary>
 	/// Helpers to <see cref="Suspend(Process)"/>ing and <see cref="Resume(Process)"/> a <see cref="Process"/>. Lightly massaged code from https://stackoverflow.com/a/13109774. Documentation linked from MSDN on 20/10/2017
 	/// </summary>
-	public static class ProcessExtension
+	static class ProcessExtension
 	{
 		/// <summary>
 		/// https://msdn.microsoft.com/en-us/library/windows/desktop/ms686769(v=vs.85).aspx
diff --git a/TGServerService/ProjectInstaller.cs b/TGServerService/ProjectInstaller.cs
index 2f4d75524d..f5c0f1a911 100644
--- a/TGServerService/ProjectInstaller.cs
+++ b/TGServerService/ProjectInstaller.cs
@@ -8,7 +8,7 @@ namespace TGServerService
 	/// This tells the .msi there is a Windows <see cref="ServiceBase"/> in this <see cref="System.Reflection.Assembly"/> that needs installation
 	/// </summary>
 	[RunInstaller(true)]
-	public partial class ProjectInstaller : Installer
+	public sealed class ProjectInstaller : Installer
 	{
 		/// <summary>
 		/// Construct a <see cref="ProjectInstaller"/>
diff --git a/TGServerService/Service.cs b/TGServerService/Service.cs
index b42b50dcdf..f181090b0b 100644
--- a/TGServerService/Service.cs
+++ b/TGServerService/Service.cs
@@ -12,7 +12,7 @@ namespace TGServerService
 	/// <summary>
 	/// The windows service the application runs as
 	/// </summary>
-	sealed partial class Service : ServiceBase
+	sealed class Service : ServiceBase
 	{
 		/// <summary>
 		/// The service version <see cref="string"/> based on the <see cref="FileVersionInfo"/>