diff --git a/tests/run-test.sh b/tests/run-test.sh
index d4126ea..fe19ae0 100755
--- a/tests/run-test.sh
+++ b/tests/run-test.sh
@@ -22,6 +22,7 @@ fi
 git clone --depth=1 https://github.com/cockpit-project/bots
 
 # only install a subset to save time/space
+rm package.json package-lock.json  # otherwise the command below installs *everything*, argh
 npm install axe-core chrome-remote-interface sizzle
 
 export TEST_OS="${ID}-${VERSION_ID/./-}"