Open Safari
Tap the address bar
Tap the search suggestion you want to remove and swipe left, if available
Clear Safari history and website data in Settings
Go to Settings
Tap Safari
Tap Clear History and Website Data
Confirm the action
Disable Siri Suggestions in Safari if needed
Go to Settings
Tap Safari
Turn off Search Engine Suggestions
Turn off Safari Suggestions
Turn off Preload Top Hit if needed
On Mac, open Safari
Click Safari in the menu bar
Select Clear History
Choose the time range
Click Clear History
To remove specific search suggestions on Mac, click in the address bar
Use the arrow keys to highlight a suggestion
Press Delete if available