diff --git a/.ocamlformat b/.ocamlformat
index 2e686658c..53c08dbe3 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -1,2 +1,2 @@
-version = 0.15.0
+version = 0.17.0
 disable = true
diff --git a/.travis.yml b/.travis.yml
index d912b4487..788cf0dec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ env:
   - POST_INSTALL_HOOK="sh ./.travis-ci.sh"
   - PACKAGE=tcpip
   matrix:
-  - DISTRO=alpine OCAML_VERSION=4.08 EXTRA_ENV="MIRAGE_MODE=xen"
   - DISTRO=alpine OCAML_VERSION=4.09 EXTRA_ENV="MIRAGE_MODE=unix"
   - DISTRO=alpine OCAML_VERSION=4.10 EXTRA_ENV="MIRAGE_MODE=qubes"
   - DISTRO=alpine OCAML_VERSION=4.10 EXTRA_ENV="MIRAGE_MODE=virtio"