diff --git a/lib/prb-math b/lib/prb-math
deleted file mode 160000
index 39eec81..0000000
--- a/lib/prb-math
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 39eec818282a29df7406b8280b29c084c9a3f3b5