To hide an item from your POS:

Step 1: Visit Setup > Menu Setup.
Step 2: Search for the menu item you want to hide in the search field.
Step 3: Click the Edit button against the menu item.
Step 4: Select the Hide In POS Screen checkbox.
Step 5: Click Update
Step 6: Finally, click the Refresh POS Menu Items button. 

Watch our video on Disabling a Menu Item in All Your Locations on Sapaad POS here: