--- a/testing/docker/desktop1604-test/Dockerfile
+++ b/testing/docker/desktop1604-test/Dockerfile
@@ -1,15 +1,14 @@
 FROM          taskcluster/ubuntu1604-test:0.1.3
 MAINTAINER    Joel Maher <joel.maher@gmail.com>
 
 # Add utilities and configuration
 COPY           dot-files/config              /home/worker/.config
 COPY           dot-files/pulse               /home/worker/.pulse
-COPY           dot-files/hgrc                /home/worker/.hgrc
 COPY           bin                           /home/worker/bin
 RUN            chmod +x bin/*
 # TODO: remove this when buildbot is gone
 COPY           buildprops.json               /home/worker/buildprops.json
 COPY           tc-vcs-config.yml /etc/taskcluster-vcs.yml
 
 # TODO: remove
 ADD            https://raw.githubusercontent.com/taskcluster/buildbot-step/master/buildbot_step /home/worker/bin/buildbot_step

deleted file mode 100644
--- a/testing/docker/desktop1604-test/dot-files/hgrc
+++ /dev/null
@@ -1,12 +0,0 @@
-[diff]
-showfunc = 1
-unified = 8
-
-[extensions]
-color =
-pager =
-progress =
-rebase =
-
-[web]
-cacerts = /etc/ssl/certs/ca-certificates.crt