diff --git a/lib/openzeppelin-contracts b/lib/openzeppelin-contracts
deleted file mode 160000
index ecd2ca2c..00000000
--- a/lib/openzeppelin-contracts
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ecd2ca2cd7cac116f7a37d0e474bbb3d7d5e1c4d