diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9840f30..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-language: c
-sudo: false
-services:
-  - docker
-install: wget https://raw.githubusercontent.com/ocaml/ocaml-travisci-skeleton/master/.travis-docker.sh
-script: bash -ex ./.travis-docker.sh
-env:
-  global:
-  - PACKAGE="mirage-block-xen"
-  matrix:
-  - DISTRO="ubuntu" OCAML_VERSION="4.10"
-  - DISTRO="alpine" OCAML_VERSION="4.09"
-  - DISTRO="alpine" OCAML_VERSION="4.08"
diff --git a/mirage-block-xen.opam b/mirage-block-xen.opam
index 4648a8a..c1bf50c 100644
--- a/mirage-block-xen.opam
+++ b/mirage-block-xen.opam
@@ -21,7 +21,7 @@ depends: [
   "xenstore"
 ]
 build: [
-  ["dune" "subst"] {pinned}
+  ["dune" "subst"] {dev}
   ["dune" "build" "-p" name "-j" jobs]
 ]
 dev-repo: "git+https://github.com/mirage/mirage-block-xen.git"