diff --git a/Common-build-problems.md b/Common-build-problems.md
index 6c91819..05b3f47 100644
--- a/Common-build-problems.md
+++ b/Common-build-problems.md
@@ -135,14 +135,4 @@ If you have python-build installed as an pyenv plugin:
     
 ```sh
 $ cd ~/.pyenv/plugins/python-build && git pull
-```
-
-## mac os x 'git cirrus docker-image build' failures and solutions
-### docker build -t docker-registry:8081...
-### Get https://docker-registry:8081/v3/data_client/manifests/latest: no basic auth credentials
-In os x you likely need to designate your docker daemon to designate docker-registry:8081 as an 'insecure registry'
-```
-docker > preferences > daemon
-Add an insecure registry docker-registry:8081
-Apply and restart
 ```
\ No newline at end of file