Can you not simply click on the ¶ on the top bar to show all puctuation etc. and then putting the cursor at the last bit of the report simply delete all that follows.
That should "lose" the blank pages and automatically update the index
HP Envy x2 review: Hands-on
How Sketch and InVision have revolutionised our design workflow
The best tech gifts for Christmas 2017
Les meilleurs jeux de société (2017)