1.Navigate to the space which you want to hide the modified column and click on the menu next to the star beside the name of the space:
2.Select Look and Feel from the menu drop down:
3.Select Stylesheet and click on the Edit button:
4.Paste the below code on the space Stylesheet and save:
.attachment-created ,.modified-column {
display:none;
}
5.The modified column will now not be visible:
