diff --git a/ubuntu/README.md b/ubuntu/README.md
index 59722a9af..afffbc50e 100644
--- a/ubuntu/README.md
+++ b/ubuntu/README.md
@@ -16,7 +16,6 @@ WARNING:
 
 # Supported tags and respective `Dockerfile` links
 
--	[`12.04.5`, `12.04`, `precise-20170331`, `precise` (*precise/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/8ec739cf49ac7fb7517d9ba97b04216dc8d8459b/precise/Dockerfile)
 -	[`14.04.5`, `14.04`, `trusty-20170330`, `trusty` (*trusty/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/8ec739cf49ac7fb7517d9ba97b04216dc8d8459b/trusty/Dockerfile)
 -	[`16.04`, `xenial-20170417.1`, `xenial`, `latest` (*xenial/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/8ec739cf49ac7fb7517d9ba97b04216dc8d8459b/xenial/Dockerfile)
 -	[`16.10`, `yakkety-20170327`, `yakkety` (*yakkety/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/8ec739cf49ac7fb7517d9ba97b04216dc8d8459b/yakkety/Dockerfile)