diff --git a/src/xenia/core/README.md b/src/xenia/core/README.md
new file mode 100644
index 000000000..8fa35ec20
--- /dev/null
+++ b/src/xenia/core/README.md
@@ -0,0 +1,6 @@
+TODO(benvanik): remove all of this code.
+
+* hash can be moved to util/
+* ref can be removed when run_loop is rewritten
+* run_loop should be moved to ui/ (perhaps)
+* socket can be moved to poly