diff --git a/hack/ci/free-space.sh b/hack/ci/free-space.sh
index 2b78ef93a4..3c2e15c850 100755
--- a/hack/ci/free-space.sh
+++ b/hack/ci/free-space.sh
@@ -22,7 +22,19 @@ print_free_space() {
 print_free_space
 
 # clean unneeded os packages and misc
-sudo apt-get remove --yes '^dotnet-.*' 'php.*' azure-cli google-cloud-sdk google-chrome-stable firefox powershell
+sudo apt-get remove -y '^ghc-8.*'
+sudo apt-get remove -y '^dotnet-.*'
+sudo apt-get remove -y '^llvm-.*'
+sudo apt-get remove -y 'php.*'
+sudo apt-get remove -y \
+  azure-cli \
+  google-cloud-sdk \
+  google-chrome-stable \
+  firefox \
+  powershell \
+  monodoc-http \
+  mono-devel
+
 sudo apt-get autoremove --yes
 sudo apt clean
 
@@ -31,8 +43,10 @@ sudo rm --recursive --force \
     /usr/local/lib/android \
     /usr/share/dotnet \
     /usr/share/miniconda \
-    /usr/share/dotnet \
-    /usr/share/swift
+    /usr/share/swift \
+    /opt/ghc \
+    /usr/local/share/boost \
+    "$AGENT_TOOLSDIRECTORY"
 
 # clean unneeded docker images
 docker system prune --all --force