diff --git a/lib/openzeppelin-contracts b/lib/openzeppelin-contracts
deleted file mode 160000
index a3b9fac..0000000
--- a/lib/openzeppelin-contracts
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a3b9fac30e2c5cf24c9dce2eaee18d69a69db99d