diff --git a/src/Utils/ArrayUtility.cs b/src/Utils/ArrayUtility.cs
index 24406d7..90b3a04 100644
--- a/src/Utils/ArrayUtility.cs
+++ b/src/Utils/ArrayUtility.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Runtime.InteropServices;
-
-namespace DCFApixels.DragonECS.Relations.Utils
+namespace DCFApixels.DragonECS.Relations.Utils
 {
     internal static class ArrayUtility
     {
diff --git a/src/Utils/IdsLinkedList.cs b/src/Utils/IdsLinkedList.cs
index d451cd0..ec25759 100644
--- a/src/Utils/IdsLinkedList.cs
+++ b/src/Utils/IdsLinkedList.cs
@@ -53,7 +53,7 @@ namespace DCFApixels.DragonECS.Relations.Utils
         /// <returns> new node index</returns>
         public int InsertAfter(int nodeIndex, int value)
         {
-            if(++_count >= _nodes.Length)
+            if (++_count >= _nodes.Length)
                 Array.Resize(ref _nodes, _nodes.Length << 1);
             int newNodeIndex = _recycledNodesCount > 0 ? _recycledNodes[--_recycledNodesCount] : _count;
 
@@ -67,7 +67,7 @@ namespace DCFApixels.DragonECS.Relations.Utils
 
             return newNodeIndex;
         }
-        public int InsertBefore(int nodeIndex, int value) 
+        public int InsertBefore(int nodeIndex, int value)
         {
             if (++_count >= _nodes.Length)
                 Array.Resize(ref _nodes, _nodes.Length << 1);
@@ -83,7 +83,7 @@ namespace DCFApixels.DragonECS.Relations.Utils
         }
         public void Remove(int nodeIndex)
         {
-            if(nodeIndex <= 0)
+            if (nodeIndex <= 0)
                 throw new ArgumentOutOfRangeException();
 
             ref var node = ref _nodes[nodeIndex];