diff --git a/lib/diamond-2 b/lib/diamond-2
deleted file mode 160000
index 5b44ced..0000000
--- a/lib/diamond-2
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5b44ced12f67b82788a6e63045b5c475a6a68a17