diff --git a/Dashboard.Common/HashList.cs b/Dashboard.Common/Collections/HashList.cs
similarity index 94%
rename from Dashboard.Common/HashList.cs
rename to Dashboard.Common/Collections/HashList.cs
index 3931a70..7c0a782 100644
--- a/Dashboard.Common/HashList.cs
+++ b/Dashboard.Common/Collections/HashList.cs
@@ -1,7 +1,6 @@
 using System.Collections;
-using System.Collections.Generic;
 
-namespace Dashboard
+namespace Dashboard.Collections
 {
     public class HashList<T> : IReadOnlyList<T>
         where T : notnull