How to remove posted on, posted in, author name, and date on twenty ten theme.

I made some search an after combining every available option I settled for a very simple one.

To remove any of these tab/link from twenty ten wordpress theme:

To remove posted on, author name and date:
1. Go to Appearance > Editor > Style.Css
2. go to the bottom of the css and paste this code:

.entry-meta {display:none;}

3. Save and check your blog page.

To remove posted in that appear below each post:

1. Go to the bottom of the style.css file
2. Paste the code below:

.entry-utility {display:none;}

3. Save and check you blog

below are the sample of my clean twenty ten theme:

https://www.azithromycinandalcohol.tk
https://www.repettoshoes.tk

It make my blogs clean and look as I want.

hope this helps.