diff --git a/ubuntu/content.md b/ubuntu/content.md
index 72a775e7d..8d7fd2bbb 100644
--- a/ubuntu/content.md
+++ b/ubuntu/content.md
@@ -27,77 +27,3 @@ RUN apt-get update && apt-get install -y locales && rm -rf /var/lib/apt/lists/*
 	&& localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
 ENV LANG en_US.utf8
 ```
-
-## `/etc/apt/sources.list`
-
-### `%%IMAGE%%:18.04`
-
-```console
-$ docker run %%IMAGE%%:18.04 grep -v '^#' /etc/apt/sources.list
-
-deb http://archive.ubuntu.com/ubuntu/ bionic main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ bionic universe
-deb-src http://archive.ubuntu.com/ubuntu/ bionic universe
-deb http://archive.ubuntu.com/ubuntu/ bionic-updates universe
-deb-src http://archive.ubuntu.com/ubuntu/ bionic-updates universe
-
-deb http://archive.ubuntu.com/ubuntu/ bionic multiverse
-deb http://archive.ubuntu.com/ubuntu/ bionic-updates multiverse
-
-deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
-
-
-deb http://security.ubuntu.com/ubuntu/ bionic-security main restricted
-deb http://security.ubuntu.com/ubuntu/ bionic-security universe
-deb-src http://security.ubuntu.com/ubuntu/ bionic-security universe
-deb http://security.ubuntu.com/ubuntu/ bionic-security multiverse
-```
-
-### `%%IMAGE%%:16.04`
-
-```console
-$ docker run %%IMAGE%%:16.04 grep -v '^#' /etc/apt/sources.list
-
-deb http://archive.ubuntu.com/ubuntu/ xenial main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ xenial main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ xenial universe
-deb-src http://archive.ubuntu.com/ubuntu/ xenial universe
-deb http://archive.ubuntu.com/ubuntu/ xenial-updates universe
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates universe
-
-
-deb http://archive.ubuntu.com/ubuntu/ xenial-security main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-security main restricted
-deb http://archive.ubuntu.com/ubuntu/ xenial-security universe
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-security universe
-```
-
-### `%%IMAGE%%:14.04`
-
-```console
-$ docker run %%IMAGE%%:14.04 grep -v '^#' /etc/apt/sources.list
-
-deb http://archive.ubuntu.com/ubuntu/ trusty main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ trusty universe
-deb-src http://archive.ubuntu.com/ubuntu/ trusty universe
-deb http://archive.ubuntu.com/ubuntu/ trusty-updates universe
-deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates universe
-
-
-deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ trusty-security main restricted
-deb http://archive.ubuntu.com/ubuntu/ trusty-security universe
-deb-src http://archive.ubuntu.com/ubuntu/ trusty-security universe
-```