diff --git a/Brewfile b/Brewfile
index 59a39270..31ce746a 100644
--- a/Brewfile
+++ b/Brewfile
@@ -1,5 +1,4 @@
 brew "dnsmasq"
-brew "rbenv"
 brew "pv"
 brew "shellcheck"
 
diff --git a/README.md b/README.md
index 27e7ce41..d2607b33 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,6 @@ Run `echo $SHELL` if you're not sure which shell you use. After saving, you will
 ```
 git clone git@github.com:alphagov/govuk-docker.git
 cd govuk-docker
-bundle install
 bin/setup
 ```