How do I delete records from my address bar?

For example, I enter the letter A.
Because it is frequently accessed. It will help me fill in the amazon.cn first.
The second line appears ali213 ...
The third line is Alipay ...

This is very simple, there is no need to complicate very geek.
For example, the landlord of the situation, first in the Address bar to enter the letter A, and then use the keyboard keys to locate the second line, that is, the landlord does not want to see the row.
Windows: Use the Shift+del key to remove it.
MAC: You can use Shift+fn+delete.

How do I delete records from my address bar?