diff --git a/Gu.State/Track/ChildNodes/ChildNodes.PropertyNodes.cs b/Gu.State/Track/ChildNodes/ChildNodes.PropertyNodes.cs
index 354aefa9..5bcf94d0 100644
--- a/Gu.State/Track/ChildNodes/ChildNodes.PropertyNodes.cs
+++ b/Gu.State/Track/ChildNodes/ChildNodes.PropertyNodes.cs
@@ -1,6 +1,5 @@
 namespace Gu.State
 {
-    using System.Collections;
     using System.Collections.Generic;
     using System.Diagnostics;
     using System.Reflection;
diff --git a/Gu.State/Track/ChildNodes/ChildNodes.cs b/Gu.State/Track/ChildNodes/ChildNodes.cs
index bcec8782..f623bd8b 100644
--- a/Gu.State/Track/ChildNodes/ChildNodes.cs
+++ b/Gu.State/Track/ChildNodes/ChildNodes.cs
@@ -2,7 +2,6 @@
 {
     using System.Collections.Concurrent;
     using System.Collections.Generic;
-    using System.Linq;
     using System.Reflection;
 
     internal partial class ChildNodes<T>