diff --git a/install_opi5.sh b/install_opi5.sh
index 4f313d99..7644b168 100755
--- a/install_opi5.sh
+++ b/install_opi5.sh
@@ -22,6 +22,10 @@ rm -f /var/lib/snapd/seed/seed.yaml
 apt-get purge --yes --quiet lxd-installer lxd-agent-loader
 apt-get purge --yes --quiet snapd
 
+# remove unnecessary dependencies
+apt-get purge --yes --quiet apport ubuntu-pro-client unattended-upgrades sosreport \
+    manpages-dev manpages
+
 # remove bluetooth daemon
 apt-get purge --yes --quiet bluez
 
@@ -86,7 +90,6 @@ apt-get --quiet update
 # mrcal stuff
 apt-get install --yes --quiet libcholmod3 liblapack3 libsuitesparseconfig5
 
-
 rm -rf /var/lib/apt/lists/*
 apt-get --yes --quiet clean