Log into Brax and access the Integrations page by clicking on your email in the top right corner, and selecting Integrations:
On the top right corner of the Integrations page, Click the Edit button to enter Edit mode. Then, click the Edit button next to the Connection you wish to disconnect.
Note: Yahoo Gemini accounts will not have an edit button next to them. To disconnect these connections, simply click the Remove button.
Once you click Edit, you will be prompted with the Edit Account window. To disconnect, simply click the red trash can button in the top right corner and click Save.
Your account has now been disconnected.