diff --git a/EvitaDB.Client/Converters/Models/Schema/EntitySchemaConverter.cs b/EvitaDB.Client/Converters/Models/Schema/EntitySchemaConverter.cs
index 625bc7d..8ea52f2 100644
--- a/EvitaDB.Client/Converters/Models/Schema/EntitySchemaConverter.cs
+++ b/EvitaDB.Client/Converters/Models/Schema/EntitySchemaConverter.cs
@@ -27,7 +27,7 @@ public static GrpcEntitySchema Convert(IEntitySchema entitySchema)
             EvolutionMode = {entitySchema.EvolutionModes.Select(EvitaEnumConverter.ToGrpcEvolutionMode)},
             SortableAttributeCompounds =
                 {ToGrpcSortableAttributeCompoundSchemas(entitySchema.GetSortableAttributeCompounds())},
-            Version = entitySchema.Version,
+            Version = entitySchema.Version
         };
     }
 
@@ -345,4 +345,4 @@ private static GrpcReferenceSchema ToGrpcReferenceSchema(IReferenceSchema refere
             DeprecationNotice = referenceSchema.DeprecationNotice
         };
     }
-}
\ No newline at end of file
+}
diff --git a/EvitaDB.Client/Converters/Models/Schema/Mutations/DelegatingLocalCatalogSchemaMutationConverter.cs b/EvitaDB.Client/Converters/Models/Schema/Mutations/DelegatingLocalCatalogSchemaMutationConverter.cs
index 9bd179e..a903764 100644
--- a/EvitaDB.Client/Converters/Models/Schema/Mutations/DelegatingLocalCatalogSchemaMutationConverter.cs
+++ b/EvitaDB.Client/Converters/Models/Schema/Mutations/DelegatingLocalCatalogSchemaMutationConverter.cs
@@ -85,7 +85,7 @@ public GrpcLocalCatalogSchemaMutation Convert(ILocalCatalogSchemaMutation mutati
                 grpcLocalCatalogSchemaMutation.RemoveEntitySchemaMutation = new RemoveEntitySchemaMutationConverter().Convert(removeEntitySchemaMutation);
                 break;
             default:
-                throw new EvitaInternalError("This should never happen!");;
+                throw new EvitaInternalError("This should never happen!");
         }
         return grpcLocalCatalogSchemaMutation;
     }
@@ -122,4 +122,4 @@ public ILocalCatalogSchemaMutation Convert(GrpcLocalCatalogSchemaMutation mutati
             _ => throw new EvitaInternalError("This should never happen!")
         };
     }
-}
\ No newline at end of file
+}
diff --git a/EvitaDB.Client/DataTypes/Data/NonSerializableDataAttribute.cs b/EvitaDB.Client/DataTypes/Data/NonSerializableDataAttribute.cs
new file mode 100644
index 0000000..933789b
--- /dev/null
+++ b/EvitaDB.Client/DataTypes/Data/NonSerializableDataAttribute.cs
@@ -0,0 +1,6 @@
+namespace EvitaDB.Client.DataTypes.Data;
+
+[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
+public class NonSerializableDataAttribute : Attribute
+{
+}
\ No newline at end of file
diff --git a/EvitaDB.Client/EvitaClient.cs b/EvitaDB.Client/EvitaClient.cs
index c85f8eb..72eef9e 100644
--- a/EvitaDB.Client/EvitaClient.cs
+++ b/EvitaDB.Client/EvitaClient.cs
@@ -583,6 +583,6 @@ private void AssertActive()
         }
     }
 
-    [GeneratedRegex("(\\w+:\\w+:\\w+): (.*)", RegexOptions.IgnoreCase | RegexOptions.Compiled, "en-US")]
+    [GeneratedRegex(@"(\w+:\w+:\w+): (.*)", RegexOptions.IgnoreCase | RegexOptions.Compiled, "en-US")]
     private static partial Regex MyRegex();
 }