diff --git a/RAIC.Extensions.Configuration.EntityFrameworkCore/EntityFrameworkCoreDbSetConfigurationProvider.cs b/RAIC.Extensions.Configuration.EntityFrameworkCore/EntityFrameworkCoreDbSetConfigurationProvider.cs
index c55954f..02fc651 100644
--- a/RAIC.Extensions.Configuration.EntityFrameworkCore/EntityFrameworkCoreDbSetConfigurationProvider.cs
+++ b/RAIC.Extensions.Configuration.EntityFrameworkCore/EntityFrameworkCoreDbSetConfigurationProvider.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Linq;
+using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 
@@ -17,9 +16,9 @@ internal interface IEntityFrameworkCoreDbSetConfigurationProvider : IConfigurati
 internal class EntityFrameworkCoreDbSetConfigurationProvider<TDbContext> : ConfigurationProvider, IEntityFrameworkCoreDbSetConfigurationProvider
     where TDbContext : DbContext, ISettingsDbContext<IQueryable<ISetting>>
 {
-    private readonly IEntityFrameworkCoreDbSetConfigurationSource<TDbContext> _configurationSource;
+    private readonly EntityFrameworkCoreDbSetConfigurationSource<TDbContext> _configurationSource;
 
-    internal EntityFrameworkCoreDbSetConfigurationProvider(IEntityFrameworkCoreDbSetConfigurationSource<TDbContext> configurationSource) : base()
+    internal EntityFrameworkCoreDbSetConfigurationProvider(EntityFrameworkCoreDbSetConfigurationSource<TDbContext> configurationSource) : base()
     {
         _configurationSource = configurationSource;
     }
@@ -35,15 +34,11 @@ internal class EntityFrameworkCoreDbSetConfigurationProvider<TDbContext> : Confi
     public new void OnReload() => base.OnReload();
 }
 
-internal interface IEntityFrameworkCoreDbSetConfigurationSource<TDbContext> where TDbContext : DbContext
-{
-    internal Func<TDbContext> DbContextFactory { get; }
-}
 
-internal class EntityFrameworkCoreDbSetConfigurationSource<TDbContext> : IConfigurationSource, IEntityFrameworkCoreDbSetConfigurationSource<TDbContext>
+internal class EntityFrameworkCoreDbSetConfigurationSource<TDbContext> : IConfigurationSource
     where TDbContext : DbContext, ISettingsDbContext<IQueryable<ISetting>>
 {
-    public required Func<TDbContext> DbContextFactory { get; init; }
+    public required System.Func<TDbContext> DbContextFactory { get; init; }
 
     public IConfigurationProvider Build(IConfigurationBuilder builder)
     {
diff --git a/RAIC.Extensions.Configuration.EntityFrameworkCore/ISettingsDbContext.cs b/RAIC.Extensions.Configuration.EntityFrameworkCore/ISettingsDbContext.cs
index b00a7e1..1331463 100644
--- a/RAIC.Extensions.Configuration.EntityFrameworkCore/ISettingsDbContext.cs
+++ b/RAIC.Extensions.Configuration.EntityFrameworkCore/ISettingsDbContext.cs
@@ -1,10 +1,9 @@
-using System;
-using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations;
 using Microsoft.EntityFrameworkCore;
 
 namespace RAIC.Extensions.Configuration.EntityFrameworkCore;
 
-public interface ISettingsDbContext<out TSettings> : IDisposable
+public interface ISettingsDbContext<out TSettings> : System.IDisposable
     where TSettings : System.Linq.IQueryable<ISetting>
 {
     TSettings Settings { get; }