Chrome generates these suggestions based on your local history data. Clearing your history resets the algorithm.
Tap and hold (long-press) the shortcut icon you want to delete.
Hover your mouse cursor over the shortcut tile you want to delete.
If you find yourself reflexively clicking on social media or news sites because they are "right there," removing the shortcut can help break the cycle of mindless browsing. The "Nuclear Option": Clearing Browser History
: Open a new tab and click the Page Settings (gear icon) 0;6f2;. Under Quick links , select Off to remove the most visited icons from the dashboard 0;8bd;.