Does it remove it from the Learner's dashboard/course?
Thank you for contacting Adobe Captivate Prime Team.
Kindly take a look at this video I have created to help you understand the Announcements in Captivate Prime.
Please download the video from this link to watch it.
Kindly let me know if any further assistance is required.
Hope to hear from you soon.
Wonderful, thank you so much for taking the time to make the video!