diff --git a/src/R3/Internal/ArrayBuffer.cs b/src/R3/Internal/ArrayBuffer.cs
index 29b7f860..2b7e53ed 100644
--- a/src/R3/Internal/ArrayBuffer.cs
+++ b/src/R3/Internal/ArrayBuffer.cs
@@ -1,5 +1,6 @@
 namespace R3.Internal;
 
+// TODO: remove this if not using
 internal struct ArrayBuffer<T>
 {
     public readonly T[] Array;