Please verify your entries and all the slips you have to make sure you didn't enter them twice. Did you have any other income from other sources? Did you do a dual return where the income got split ? There are a few factors to verify. You can always go back to Profile area and income area to remove any check marks and amounts .
To delete, Click Income > T-Slips > T4/Releve 1 Employment income
In the Summary page that loads, simply delete the undesired slips.
