In the sixth movie, at the house Slughorn was hiding in, there was a mess. Later Dumbledore used magic to clean it all up very fast. After Hogwarts was destroyed in the last book, why didn't all the teachers use magic to fix it? You could see Filch cleaning it up with a broom, even though Dumbldore had the Elder Wand (to clean up Slughorn's damage at his residence); a few wizards together could clean Hogwarts.

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    Related, possible dupe: Why didn't Harry repair Hogwarts after the Battle of Hogwarts?. DVK's answer goes into the extent of the destruction in the book.
    – phantom42
    Commented Mar 21, 2016 at 15:20
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    Dumbledore didn't have the Elder Wand when Hogwarts was destroyed—he was dead. Commented Mar 21, 2016 at 19:20
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    I disagree with this being a dupe. The other question quite specifically asks why Harry doesn't use the Elder Wand to repair the castle; this one asks why the teachers (and students, presumably) don't all pull together to repair the castle with collective magic. The answer to the former is given in the other question, while the answer to this question is that they probably did, we just don't see it. Commented Mar 21, 2016 at 19:32
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    Reopened since the Filch question is about cleaning of the castle, and the repair required after the Battle of Hogwarts is a whole different kettle of fish. Since there's some disagreement over whether or not this is a dupe of the question @phantom42 mentioned, I'll leave the decision on whether or not to re-close it up to the community.
    – Rand al'Thor
    Commented Mar 21, 2016 at 20:42
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    @JanusBahsJacquet I think the point trying to be made was Dumbledore used the Elder Wand to clean up Slughorn's (temporary) place of residence. So it would have been easier for him. Commented Mar 22, 2016 at 5:14

1 Answer 1


Well, what makes you think they didn't? Presumably this happens off screen, in the way that you never see the characters getting haircuts, clipping their pets' toenails, or using the bathroom for its intended purpose.

After the battle everyone was exhausted and also relishing in just being alive and having won, and also mourning their losses. We see a bit of that, and then the touching closing up moment with Harry, Ron and Hermione and the chat with Dumbledore's portrait and then the book ends where it should.

We don't see them burying the dead and holding funerals, we don't see them going home, we don't see them repairing the castle and we don't see them replanting the lawn, because nobody cares, the book ends with the end of the battle. As it should.

As for, anyway, Slughorn's house, the situation is a little different as that was a manufactured mess and relatively small. The damage done to Hogwarts was vast and caused by dark and powerful magic. The repairs required would also have been much more extensive. Slughorn's house was the house of Muggles with a few of his personal effects. Hogwarts was imbued with ancient magic and had statues which could come to life, staircases which lead to different places on different days, enchanted boundaries and so on and so forth. I don't think simple charms would quite be enough to restore full functionality.


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