diff --git a/SewerStammGen/App.xaml.cs b/SewerStammGen/App.xaml.cs
index 2f2c9e7..12690c5 100644
--- a/SewerStammGen/App.xaml.cs
+++ b/SewerStammGen/App.xaml.cs
@@ -1,7 +1,5 @@
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using SewerStammGen.EntityFramework;
 using SewerStammGen.HostBuilders;
 using SewerStammGen.WPF.ViewModel;
 using System;
@@ -31,8 +29,8 @@ namespace SewerStammGen.WPF
                 .AddConfiguration()
                 .AddServices()
                 .AddViewModels()
-                .AddStores()
-                .AddDBContext();
+                .AddStores();
+                
         }
 
         protected override void OnStartup(StartupEventArgs e)
@@ -42,11 +40,7 @@ namespace SewerStammGen.WPF
 
             _host.Start();
 
-            SewerStammGenDbContextFactory contextFactory = _host.Services.GetRequiredService<SewerStammGenDbContextFactory>();
-            using(SewerStammGenDbContext context = contextFactory.CreateDbContext())
-            {
-                context.Database.Migrate();
-            }
+            
 
             MainWindow? window = new MainWindow() { DataContext = _host.Services.GetRequiredService<MainWindowViewModel>() };
             window.Show();
diff --git a/SewerStammGen/Commands/HaltungEditCommand.cs b/SewerStammGen/Commands/HaltungEditCommand.cs
index 7f66554..8733454 100644
--- a/SewerStammGen/Commands/HaltungEditCommand.cs
+++ b/SewerStammGen/Commands/HaltungEditCommand.cs
@@ -12,15 +12,15 @@ namespace SewerStammGen.WPF.Commands
 {
     internal class HaltungEditCommand : AsyncCommandBase
     {
-        private IHaltungDataService haltungDataService;
+        
         private IActualState actualState;
         private IRenavigator renavigator;
         private HaltungListViewModel haltungListViewModel;
 
 
-        public HaltungEditCommand(IHaltungDataService haltungDataService, IActualState actualState, IRenavigator renavigator, HaltungListViewModel haltungListViewModel)
+        public HaltungEditCommand(IActualState actualState, IRenavigator renavigator, HaltungListViewModel haltungListViewModel)
         {
-            this.haltungDataService = haltungDataService;
+            
             this.actualState = actualState;
             this.renavigator = renavigator;
             this.haltungListViewModel = haltungListViewModel;
@@ -28,7 +28,7 @@ namespace SewerStammGen.WPF.Commands
 
         public override async Task ExecuteAsync(object? parameter)
         {
-            actualState.SetHaltung(haltungListViewModel.SelectedHaltung);
+            //actualState.SetHaltung(haltungListViewModel.SelectedHaltung);
             renavigator.Renavigate();
         }
     }
diff --git a/SewerStammGen/Commands/HaltungEditSaveCommand.cs b/SewerStammGen/Commands/HaltungEditSaveCommand.cs
index 3a9eff1..d68507e 100644
--- a/SewerStammGen/Commands/HaltungEditSaveCommand.cs
+++ b/SewerStammGen/Commands/HaltungEditSaveCommand.cs
@@ -17,10 +17,10 @@ namespace SewerStammGen.WPF.Commands
         private IDataService<Kanal> kanalDataService;
         private ISchachtService schachtService;
 
-        public HaltungEditSaveCommand(HaltungEditViewModel haltungEditViewModel, IDataService<Kanal> kanalDataService, ISchachtService schachtService)
+        public HaltungEditSaveCommand(HaltungEditViewModel haltungEditViewModel,  ISchachtService schachtService)
         {
             this.haltungEditViewModel = haltungEditViewModel;
-            this.kanalDataService = kanalDataService;
+            //this.kanalDataService = kanalDataService;
             this.schachtService = schachtService;
         }
 
diff --git a/SewerStammGen/HostBuilders/AddDBContextHostBuilderExtensions.cs b/SewerStammGen/HostBuilders/AddDBContextHostBuilderExtensions.cs
index 525b864..88078b4 100644
--- a/SewerStammGen/HostBuilders/AddDBContextHostBuilderExtensions.cs
+++ b/SewerStammGen/HostBuilders/AddDBContextHostBuilderExtensions.cs
@@ -1,8 +1,7 @@
-using Microsoft.EntityFrameworkCore;
+
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using SewerStammGen.EntityFramework;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -14,38 +13,6 @@ namespace SewerStammGen.HostBuilders
 {
     static class AddDBContextHostBuilderExtensions
     {
-        public static IHostBuilder AddDBContext(this IHostBuilder hostBuilder)
-        {
-            hostBuilder.ConfigureServices((context, services) =>
-            {
-                string? connectionString = "";
-                Action<DbContextOptionsBuilder>? configureDbContext = null;
-                string? databaseToUse = context.Configuration.GetConnectionString("databaseToUse");
-                if (databaseToUse != null)
-                {
-                    
-                    if (databaseToUse.Equals("default"))
-                    {
-                        connectionString = context.Configuration.GetConnectionString("default");
-                        configureDbContext = o =>
-                        {
-                            o.EnableSensitiveDataLogging();
-                            o.UseNpgsql(connectionString);
-                        };
-                    }
-                    else if (databaseToUse.Equals("sqlite"))
-                    {
-                        connectionString = context.Configuration.GetConnectionString("sqlite");
-                        configureDbContext = o => o.UseSqlite(connectionString);
-                    }
-                    services.AddDbContext<SewerStammGenDbContext>(configureDbContext);
-                    services.AddSingleton<SewerStammGenDbContextFactory>(new SewerStammGenDbContextFactory(configureDbContext));
-                }
-
-
-                
-            });
-            return hostBuilder;
-        }
+        
     }
 }
diff --git a/SewerStammGen/HostBuilders/AddServicesHostBuilderExtensions.cs b/SewerStammGen/HostBuilders/AddServicesHostBuilderExtensions.cs
index 13966ff..ea7caba 100644
--- a/SewerStammGen/HostBuilders/AddServicesHostBuilderExtensions.cs
+++ b/SewerStammGen/HostBuilders/AddServicesHostBuilderExtensions.cs
@@ -1,6 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using SewerStammGen.EntityFramework.Services;
+
 using SewerStammGen.Shared.Contracts;
 using SewerStammGen.Shared.Services;
 using SewerStammGen.WPF.Interface.Navigator;
@@ -25,11 +25,12 @@ namespace SewerStammGen.HostBuilders
             {
                 services.AddSingleton<IMainWindowNavigator, MainWindowNavigator>();
                 services.AddSingleton<ViewModelDelegateRenavigator<ProjektEditViewModel>>();
-                services.AddSingleton<IDataService<Projekt>, GenericDataService<Projekt>>();
+               /* services.AddSingleton<IDataService<Projekt>, GenericDataService<Projekt>>();
                 services.AddSingleton<IDataService<Schacht>, GenericDataService<Schacht>>();
                 services.AddSingleton<IDataService<Kanal>, GenericDataService<Kanal>>();
                 services.AddSingleton<ISchachtDataService, SchachtDataService>();
                 services.AddSingleton<IHaltungDataService, HaltungDataService>();
+               */
                 services.AddSingleton<ISchachtService, SchachtService>();
             });
             return host;
diff --git a/SewerStammGen/HostBuilders/AddViewModelsHostBuilderExtensions.cs b/SewerStammGen/HostBuilders/AddViewModelsHostBuilderExtensions.cs
index ade9e29..496ef16 100644
--- a/SewerStammGen/HostBuilders/AddViewModelsHostBuilderExtensions.cs
+++ b/SewerStammGen/HostBuilders/AddViewModelsHostBuilderExtensions.cs
@@ -66,7 +66,7 @@ namespace SewerStammGen.HostBuilders
                 services.AddSingleton<CreateViewModel<HaltungListViewModel>>(services =>
                 {
                     return () => new HaltungListViewModel(
-                        services.GetRequiredService<IHaltungDataService>(),
+                        
                         services.GetRequiredService<IActualState>(),
                         services.GetRequiredService<ViewModelDelegateRenavigator<HaltungEditViewModel>>()
                         );
@@ -75,7 +75,7 @@ namespace SewerStammGen.HostBuilders
                 services.AddTransient<CreateViewModel<HaltungEditViewModel>>(services =>
                 {
                     return () => new HaltungEditViewModel(
-                        services.GetRequiredService<IHaltungDataService>(),
+                        
                         services.GetRequiredService<ISchachtService>(),
                         services.GetRequiredService<IActualState>()
                         );
diff --git a/SewerStammGen/SewerStammGen.WPF.csproj b/SewerStammGen/SewerStammGen.WPF.csproj
index e87a1db..1c352c6 100644
--- a/SewerStammGen/SewerStammGen.WPF.csproj
+++ b/SewerStammGen/SewerStammGen.WPF.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\SewerStammGen.EntityFramework\SewerStammGen.EntityFramework.csproj" />
+    <ProjectReference Include="..\Shared\SewerStammGen.Shared.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/SewerStammGen/ViewModel/Haltung/HaltungEditViewModel.cs b/SewerStammGen/ViewModel/Haltung/HaltungEditViewModel.cs
index 3185a83..5aa7f08 100644
--- a/SewerStammGen/ViewModel/Haltung/HaltungEditViewModel.cs
+++ b/SewerStammGen/ViewModel/Haltung/HaltungEditViewModel.cs
@@ -17,7 +17,7 @@ namespace SewerStammGen.WPF.ViewModel
     internal class HaltungEditViewModel : BaseViewModel
     {
         private readonly IActualState _actualState;
-        private readonly IHaltungDataService _kanalDataService;
+        //private readonly IHaltungDataService _kanalDataService;
         private readonly ISchachtService _schachtService;
         private Kanal _model;
 
@@ -112,15 +112,15 @@ namespace SewerStammGen.WPF.ViewModel
 
         public ICommand Speichern { get; set; }
 
-        public HaltungEditViewModel(IHaltungDataService kanalDataService,
+        public HaltungEditViewModel(
             ISchachtService schachtService,
             IActualState actualState)
         {
             _actualState = actualState;
-            _kanalDataService = kanalDataService;
+            //_kanalDataService = kanalDataService;
             _schachtService = schachtService;
             _model = new Kanal();
-            Speichern = new HaltungEditSaveCommand(this, kanalDataService, schachtService);
+            Speichern = new HaltungEditSaveCommand(this, schachtService);
 
             LoadModel();
         
@@ -129,7 +129,7 @@ namespace SewerStammGen.WPF.ViewModel
     
         private async void LoadModel()
         {
-            _model = await _kanalDataService.Get(_actualState.HaltungID);
+            /*_model = await _kanalDataService.Get(_actualState.HaltungID);
             UntereSchacht = _model.EndSchacht.Objektbezeichnung;
             ObereSchacht = _model.StartSchacht.Objektbezeichnung;
             OnPropertyChanged(nameof(ObereSchacht));
@@ -138,6 +138,7 @@ namespace SewerStammGen.WPF.ViewModel
             OnPropertyChanged(nameof(Haltungsbezeichnung));
             OnPropertyChanged(nameof(Material));
             OnPropertyChanged(nameof(Durchmesser));
+            */
         }
     }
 }
diff --git a/SewerStammGen/ViewModel/Haltung/HaltungListViewModel.cs b/SewerStammGen/ViewModel/Haltung/HaltungListViewModel.cs
index 0fb4826..6799607 100644
--- a/SewerStammGen/ViewModel/Haltung/HaltungListViewModel.cs
+++ b/SewerStammGen/ViewModel/Haltung/HaltungListViewModel.cs
@@ -17,7 +17,7 @@ namespace SewerStammGen.WPF.ViewModel
     {
         private readonly ObservableCollection<Kanal> _haltungen;
         private readonly IActualState _actualState;
-        private readonly IHaltungDataService _haltungDataService;
+        //private readonly IHaltungDataService _haltungDataService;
         
         public Kanal? SelectedHaltung { get; set; }
         public ObservableCollection<Kanal> Haltungen { get => _haltungen; }
@@ -25,14 +25,14 @@ namespace SewerStammGen.WPF.ViewModel
         public ICommand EditCommand { get; set; }
         public ICommand AddCommand { get; set; }
 
-        public HaltungListViewModel(IHaltungDataService haltungDataService, IActualState actualState, IRenavigator renavigator )
+        public HaltungListViewModel( IActualState actualState, IRenavigator renavigator )
         {
             _haltungen = new ObservableCollection<Kanal>();
 
             _actualState = actualState;
-            _haltungDataService = haltungDataService;
+            
 
-            EditCommand = new HaltungEditCommand(haltungDataService, actualState, renavigator, this);
+            EditCommand = new HaltungEditCommand(actualState, renavigator, this);
             AddCommand = new HaltungAddCommand();
 
             LoadHaltungen();
@@ -40,8 +40,9 @@ namespace SewerStammGen.WPF.ViewModel
 
         private async void LoadHaltungen()
         {
-            var haltungen = await _haltungDataService.GetAll(_actualState.ProjektID);
+           /* var haltungen = await _haltungDataService.GetAll(_actualState.ProjektID);
             InitCollection(_haltungen, haltungen);
+           */
         }
 
         private void InitCollection(ObservableCollection<Kanal> dest, IEnumerable<Kanal> source)
diff --git a/SewerStammGen/ViewModel/Projekt/ProjektListViewModel.cs b/SewerStammGen/ViewModel/Projekt/ProjektListViewModel.cs
index 2f8194d..3d726ff 100644
--- a/SewerStammGen/ViewModel/Projekt/ProjektListViewModel.cs
+++ b/SewerStammGen/ViewModel/Projekt/ProjektListViewModel.cs
@@ -1,5 +1,4 @@
-using SewerStammGen.EntityFramework.Services;
-using SewerStammGen.WPF.Commands;
+using SewerStammGen.WPF.Commands;
 using SewerStammGen.WPF.Interface.Navigator;
 using SewerStammGen.WPF.ViewModel;
 using SewerStammGen.WPF.ViewModel.State;
diff --git a/Shared/Contracts/IHaltungDataService.cs b/Shared/Contracts/IHaltungDataService.cs
deleted file mode 100644
index 7e02da3..0000000
--- a/Shared/Contracts/IHaltungDataService.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using Shared.Contracts;
-using Shared.Domain;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SewerStammGen.Shared.Contracts
-{
-    public interface IHaltungDataService : IDataService<Kanal>
-    {
-        Task<IEnumerable<Kanal>> GetAll(int projektID);
-    }
-}
diff --git a/Shared/Contracts/IProjektDataService.cs b/Shared/Contracts/IProjektDataService.cs
deleted file mode 100644
index 14dfb36..0000000
--- a/Shared/Contracts/IProjektDataService.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using Shared.Contracts;
-using Shared.Domain;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SewerStammGen.Shared.Contracts
-{
-    public interface IProjektDataService : IDataService<Projekt>
-    {
-    }
-}
diff --git a/Stammdatengenerator.sln b/Stammdatengenerator.sln
index f204a63..0e86db9 100644
--- a/Stammdatengenerator.sln
+++ b/Stammdatengenerator.sln
@@ -7,8 +7,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SewerStammGen.WPF", "SewerS
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SewerStammGen.Shared", "Shared\SewerStammGen.Shared.csproj", "{3A47BD31-36C2-45C4-9609-D0D9D92A993B}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SewerStammGen.EntityFramework", "SewerStammGen.EntityFramework\SewerStammGen.EntityFramework.csproj", "{803CB44F-F68C-4872-8408-047D02BBF201}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -23,10 +21,6 @@ Global
 		{3A47BD31-36C2-45C4-9609-D0D9D92A993B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3A47BD31-36C2-45C4-9609-D0D9D92A993B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3A47BD31-36C2-45C4-9609-D0D9D92A993B}.Release|Any CPU.Build.0 = Release|Any CPU
-		{803CB44F-F68C-4872-8408-047D02BBF201}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{803CB44F-F68C-4872-8408-047D02BBF201}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{803CB44F-F68C-4872-8408-047D02BBF201}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{803CB44F-F68C-4872-8408-047D02BBF201}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE