1 files changed, 0 insertions, 1 deletions

diff --git a/src/WixToolset.Core/WixToolsetServiceProvider.cs b/src/WixToolset.Core/WixToolsetServiceProvider.cs
index 1d475d00..d7a6171a 100644
--- a/src/WixToolset.Core/WixToolsetServiceProvider.cs
+++ b/src/WixToolset.Core/WixToolsetServiceProvider.cs
@@ -25,7 +25,6 @@ namespace WixToolset.Core
             this.AddService((provider, singletons) => AddSingleton<IPreprocessHelper>(singletons, new PreprocessHelper(provider)));
             this.AddService((provider, singletons) => AddSingleton<IBackendHelper>(singletons, new BackendHelper(provider)));
             this.AddService((provider, singletons) => AddSingleton<IPathResolver>(singletons, new PathResolver()));
-            this.AddService((provider, singletons) => AddSingleton<IWindowsInstallerBackendHelper>(singletons, new WindowsInstallerBackendHelper()));
 
             // Transients.
             this.AddService<ICommandLineArguments>((provider, singletons) => new CommandLineArguments(provider));