diff --git a/system/Tnb.Systems/System/DataBaseService.cs b/system/Tnb.Systems/System/DataBaseService.cs
index 54c6977d..3d0bd55d 100644
--- a/system/Tnb.Systems/System/DataBaseService.cs
+++ b/system/Tnb.Systems/System/DataBaseService.cs
@@ -405,11 +405,7 @@ public class DataBaseService : IDynamicApiController, ITransient
         string sResult = string.Empty;
         foreach (var item in entities)
         {
-            sResult = _viewEngine.RunCompileFromCached(tplContent, item, builderAction: builder =>
-            {
-                builder.AddUsing("System.Collections.Generic");
-                builder.AddAssemblyReferenceByName("System.Collections");
-            });
+            sResult = _viewEngine.RunCompileFromCached(tplContent, item);
             var dir = Path.Combine(FileVariable.GenerateCodePath, item.nsName);
             Directory.CreateDirectory(dir);
             File.WriteAllText(Path.Combine(dir, item.clsName + ".cs"), sResult);