diff --git a/src/DotNetCore.CAP/CAP.Builder.cs b/src/DotNetCore.CAP/CAP.Builder.cs
index 6214c12..e9cf165 100644
--- a/src/DotNetCore.CAP/CAP.Builder.cs
+++ b/src/DotNetCore.CAP/CAP.Builder.cs
@@ -34,17 +34,6 @@ namespace DotNetCore.CAP
return this;
}
- ///
- /// Adds a singleton service of the type specified in serviceType with an implementation
- ///
- private CapBuilder AddSingleton()
- where TService : class
- where TImplementation : class, TService
- {
- Services.AddSingleton();
- return this;
- }
-
///
/// Add an .
///