del ci script
diff --git a/bootstrap_travis.sh b/bootstrap_travis.sh
deleted file mode 100644
index 9d2dfdf..0000000
--- a/bootstrap_travis.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-
-curl -O -L https://s3.amazonaws.com/rebar3/rebar3
-chmod +x rebar3
-./rebar3 update
diff --git a/ci b/ci
deleted file mode 100755
index 7f620cc..0000000
--- a/ci
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash
-
-set -ev # Ref https://docs.travis-ci.com/user/customizing-the-build/#Implementing-Complex-Build-Steps
-
-case "${1:?}" in
-    before_install)
-        ## Travis CI does not support rebar3 yet. See https://github.com/travis-ci/travis-ci/issues/6506#issuecomment-275189490
-        Rebar3="${2:?}"
-        curl -f -L -o "${Rebar3:?}" https://github.com/erlang/rebar3/releases/download/3.3.5/rebar3
-        chmod +x "${Rebar3:?}"
-        ;;
-    install)
-        Rebar3="${2:?}"
-        "${Rebar3:?}" deps
-        "${Rebar3:?}" dialyzer -u true -s false
-        ;;
-    script)
-        Rebar3="${2:?}"
-        "${Rebar3:?}" ct
-        ;;
-esac