diff --git a/UPDATE_LEAN.sh b/UPDATE_LEAN.sh
deleted file mode 100644
index 27ebc35..0000000
--- a/UPDATE_LEAN.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env sh
-
-# Operate in the directory where this file is located
-cd $(dirname $0)
-
-cd server
-
-cd adam
-lake update
-
-cp lake-packages/mathlib/lean-toolchain lean-toolchain
-cp lake-packages/mathlib/lean-toolchain ../lean-toolchain
-cp lake-packages/mathlib/lean-toolchain ../nng/lean-toolchain
-
-cd ../
-lake update
-
-cd ../nng
-lake update