Clean Up WP Plugins is a simple plugin which once activated removes (hides) promotional banners, donation buttons, newsletter forms, and unnecessary messages from popular WordPress plugins in the admin area. It adds a custom style file in order to hide elements which are identified as unnecessary.

View more details and download the plugin from WordPress Plugin Directory

Screenshots

In this particular example, promotional banners are shown on Yoast SEO plugin; however, after activating Clean Up WP Plugins, all of those banners are hidden.

Yoast SEO plugin before using Clean Up WordPress Plugin
clean up wp plugins
Yoast SEO plugin after using Clean Up WordPress Plugin