diff --git a/postBuild b/postBuild
deleted file mode 100644
index 00477e1..0000000
--- a/postBuild
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-
-# run matplotlib once to generate the font cache
-python -c "import matplotlib as mpl; mpl.use('Agg'); import pylab as plt; fig, ax = plt.subplots(); fig.savefig('test.png')"
-	
-test -e test.png && rm test.png
-
-jupyter labextension install @jupyterlab/latex
-jupyter lab build