diff --git a/Pilz.Plugins.Advanced/PluginFeatureController.cs b/Pilz.Plugins.Advanced/PluginFeatureController.cs
index c64a99b..4650536 100644
--- a/Pilz.Plugins.Advanced/PluginFeatureController.cs
+++ b/Pilz.Plugins.Advanced/PluginFeatureController.cs
@@ -1,5 +1,4 @@
 using Pilz.Plugins.Advanced.Exceptions;
-using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
 
 namespace Pilz.Plugins.Advanced;
diff --git a/Pilz.Plugins/IPlugin.cs b/Pilz.Plugins/IPlugin.cs
index 85a37d7..fa4b5fc 100644
--- a/Pilz.Plugins/IPlugin.cs
+++ b/Pilz.Plugins/IPlugin.cs
@@ -1,5 +1,4 @@
 using Pilz.Extensions;
-using System.Reflection;
 
 namespace Pilz.Plugins;
 
diff --git a/Pilz/AppVersion.cs b/Pilz/AppVersion.cs
index 96a369b..db9530c 100644
--- a/Pilz/AppVersion.cs
+++ b/Pilz/AppVersion.cs
@@ -1,6 +1,4 @@
 using Newtonsoft.Json;
-using System.Net.Http.Headers;
-using System.Text;
 
 namespace Pilz;
 
diff --git a/Pilz/Data/Json/JsonDataContainer.cs b/Pilz/Data/Json/JsonDataContainer.cs
index 5428060..f178339 100644
--- a/Pilz/Data/Json/JsonDataContainer.cs
+++ b/Pilz/Data/Json/JsonDataContainer.cs
@@ -20,6 +20,12 @@ public abstract class JsonDataContainer
         return list;
     }
 
+    public virtual void CopyTo(JsonDataContainer container)
+    {
+        foreach (var set in sets)
+            container.sets.Add(set);
+    }
+
     protected virtual JsonSerializer GetSerializer()
     {
         var serializer = JsonSerializer.CreateDefault();
diff --git a/Pilz/Data/Json/JsonFileContainer.cs b/Pilz/Data/Json/JsonFileContainer.cs
index a30b23a..8417a55 100644
--- a/Pilz/Data/Json/JsonFileContainer.cs
+++ b/Pilz/Data/Json/JsonFileContainer.cs
@@ -1,6 +1,4 @@
-using System.IO;
-
-namespace Pilz.Data.Json;
+namespace Pilz.Data.Json;
 
 public class JsonFileContainer(string filePath) : JsonDataContainer
 {