diff --git a/coin/provisioning/common/unix/install-vcpkg-ports.sh b/coin/provisioning/common/unix/install-vcpkg-ports.sh
index 953926a5..dc8a10ef 100755
--- a/coin/provisioning/common/unix/install-vcpkg-ports.sh
+++ b/coin/provisioning/common/unix/install-vcpkg-ports.sh
@@ -26,5 +26,7 @@ cp -R $install_root/* "$VCPKG_ROOT/installed/"
 SetEnvVar "VCPKG_INSTALLED_DIR" "$VCPKG_ROOT/installed/"
 
 rm -rf $install_root
+rm -rf "$VCPKG_ROOT/buildtrees/"
+rm -rf "$VCPKG_ROOT/packages/"
 
 popd || exit