diff --git a/deploy-guide/source/targethosts-prepare.rst b/deploy-guide/source/targethosts-prepare.rst
index 8cf6cdae04..78b9b2c92b 100644
--- a/deploy-guide/source/targethosts-prepare.rst
+++ b/deploy-guide/source/targethosts-prepare.rst
@@ -56,6 +56,12 @@ Configure Ubuntu
        # apt-get install bridge-utils debootstrap ifenslave ifenslave-2.6 \
          lsof lvm2 ntp ntpdate openssh-server sudo tcpdump vlan python
 
+#. Install the kernel extra package if you have one for your kernel version \
+
+   .. code-block:: shell-session
+
+       # apt install linux-image-extra-$(uname -r)
+
 #. Add the appropriate kernel modules to the ``/etc/modules`` file to
    enable VLAN and bond interfaces:
 
diff --git a/tests/roles/bootstrap-host/vars/ubuntu.yml b/tests/roles/bootstrap-host/vars/ubuntu.yml
index 3d4587b49b..6808ba959f 100644
--- a/tests/roles/bootstrap-host/vars/ubuntu.yml
+++ b/tests/roles/bootstrap-host/vars/ubuntu.yml
@@ -25,7 +25,6 @@ packages_install:
   - iptables
   - iputils-tracepath
   - ipython
-  - linux-image-extra-{{ ansible_kernel }}
   - lvm2
   - parted
   - python2.7