How to Remove Daily Planner?

To remove Daily Planner from Chrome right-click the extension icon in upper-right corner and select the Remove from Chrome item in pop-up menu that appears. Or open the tab with the list of installed extensions (chrome://extensions/), find Daily Planner in the list and click on a icon with the basket. You can see the official Google extension removing instruction here - https://support.google.com/chromebook/answer/2589434?hl=en.