diff --git a/TUnit.Core/Helpers/AttributeDictionaryHelper.cs b/TUnit.Core/Helpers/AttributeDictionaryHelper.cs
index e1eb73a940..35f7bce7c2 100644
--- a/TUnit.Core/Helpers/AttributeDictionaryHelper.cs
+++ b/TUnit.Core/Helpers/AttributeDictionaryHelper.cs
@@ -45,7 +45,7 @@ public static IReadOnlyDictionary<Type, IReadOnlyList<Attribute>> ToAttributeDic
             }
         }
 
-        return new ReadOnlyDictionary<Type, IReadOnlyList<Attribute>>(result);
+        return result;
     }
 
     /// <summary>