Wechat does not have the function of hiding friends' avatars, and can only delete friends. The specific operation steps are as follows:

The materials we need to prepare are: mobile phone, WeChat.

1. First, we open WeChat, click the address book page to enter the message page to delete friends.

2. Then we click the option in the upper right corner of the "…" page.

3. Then we can click the "Delete" option on this page.