diff --git a/src/SteroidsDI.Tests/Cases.Approval/SteroidsDI.approved.txt b/src/SteroidsDI.Tests/Cases.Approval/SteroidsDI.approved.txt
index 0deb089..1471820 100644
--- a/src/SteroidsDI.Tests/Cases.Approval/SteroidsDI.approved.txt
+++ b/src/SteroidsDI.Tests/Cases.Approval/SteroidsDI.approved.txt
@@ -21,11 +21,11 @@ namespace SteroidsDI
         public Microsoft.Extensions.DependencyInjection.IServiceCollection Services { get; }
         public SteroidsDI.BindingContext<TService> Default<TImplementation>()
             where TImplementation : TService { }
-        public SteroidsDI.BindingContext<TService> Default<TImplementation>(Microsoft.Extensions.DependencyInjection.ServiceLifetime lifetime = 2)
+        public SteroidsDI.BindingContext<TService> Default<TImplementation>(Microsoft.Extensions.DependencyInjection.ServiceLifetime lifetime)
             where TImplementation : TService { }
         public SteroidsDI.BindingContext<TService> Named<TImplementation>(object name)
             where TImplementation : TService { }
-        public SteroidsDI.BindingContext<TService> Named<TImplementation>(object name, Microsoft.Extensions.DependencyInjection.ServiceLifetime lifetime = 2)
+        public SteroidsDI.BindingContext<TService> Named<TImplementation>(object name, Microsoft.Extensions.DependencyInjection.ServiceLifetime lifetime)
             where TImplementation : TService { }
     }
     public sealed class GenericScopeProvider<T> : SteroidsDI.Core.IScopeProvider
diff --git a/src/SteroidsDI/Factory/BindingContext.cs b/src/SteroidsDI/Factory/BindingContext.cs
index 2251c10..6820e26 100644
--- a/src/SteroidsDI/Factory/BindingContext.cs
+++ b/src/SteroidsDI/Factory/BindingContext.cs
@@ -33,7 +33,7 @@ public BindingContext(IServiceCollection services)
     /// </param>
     /// <param name="lifetime">The lifetime of the dependency object.</param>
     /// <returns>Reference to <c>this</c> to be able to call methods in a chain.</returns>
-    public BindingContext<TService> Named<TImplementation>(object name, ServiceLifetime lifetime = ServiceLifetime.Transient)
+    public BindingContext<TService> Named<TImplementation>(object name, ServiceLifetime lifetime)
         where TImplementation : TService
     {
         if (name == null)
@@ -77,7 +77,7 @@ public BindingContext<TService> Named<TImplementation>(object name)
     /// <typeparam name="TImplementation">Implementation type.</typeparam>
     /// <param name="lifetime">The lifetime of the dependency object.</param>
     /// <returns>Reference to <c>this</c> to be able to call methods in a chain.</returns>
-    public BindingContext<TService> Default<TImplementation>(ServiceLifetime lifetime = ServiceLifetime.Transient)
+    public BindingContext<TService> Default<TImplementation>(ServiceLifetime lifetime)
          where TImplementation : TService
     {
         var existing = Services.SingleOrDefault(descriptor => descriptor.ServiceType == typeof(TImplementation));