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Click Similarity score of the paper.
On the assignment page, click the Similarity score.
If you used Turnitin via IVLE, click the Similarity Index score in the relevant folder of the Workbin (in Plagiarism Check view).
The Originality Report will open in a new window.
Click Document Viewer
If you see the Document Viewer button, click it. Otherwise, go to the next step.
Click Originality (top left).
If Originality is selected, it will be highlighted in red.
Mouseover source to be removed, click right arrow.
On the right hand sidebar, mouseover the source you want to remove. The right arrow will appear. Click the right arrow.
Click the Exclude Sources button (bottom of the sidebar).
Checkboxes will appear.
Select the paper to be excluded, then click Exclude.
Check the source that should be excluded, then click Exclude. The Similarity score should drop.
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Turnitin has detailed instructions on excluding sources from the similarity report.