diff --git a/postBuild b/postBuild
deleted file mode 100644
index da0cc0a..0000000
--- a/postBuild
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-
-# This file is needed to make the binder demonstrations work
-# because we use a pyproject.toml file, Binder won't build
-# the environment unless we manually specify it here
-
-set -e
-pip install -e .[molecules]
\ No newline at end of file