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Nocturne has an option for disabling shadows around windows. But it's only available in night mode, and changing the mode (like when opening the application) causes an annoying screen flash animation. There's no way to disable the shadow under the menu bar either.

MacThemes Forum / Removing the menubar dropshadow has a link to a .psd for making special desktop backgrounds that cancel out the shadow under the menu bar. But it only works if that area of the desktop picture has a low enough brightness.

Some applications that cover the desktop (like DeskShade) also cover the menu bar's shadow. That's not a real solution though.

Unsanity's ShadowKiller stopped working in either 10.5 or 10.6. (It does still work on 10.7.2, but the website says "NOT compatible with Mac OS X 10.6 Leopard", and I couldn't get it to work on a 10.6 installation.)

Related: How do I decrease the window shadow in Mac OS X? - Super User

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Why do you hate the shadows so much and/or what's the need to disabling them? – cregox Apr 2 '11 at 17:30
@Cawas They're just too big and ugly. The same sort of applies for that blue outline around selected elements and the blue glow in Exposé, but the shadows are by far the worst. – user495470 Apr 2 '11 at 19:28
fair enough. I thought there might be another reason. :P – cregox Apr 2 '11 at 19:47
@Cawas who cares why? does there need to be a reason why someone wants to do something? I'm fairly sure the initial desire was succinctly described in enough detail that it should enable you to divulge any useful information. – airtonix Jul 19 '13 at 14:41
@Cawas I have window snapping enabled in bettertouchtool and the shadow overlaps when two windows are side-by-side. – John2496 Jul 25 '14 at 18:11
up vote 3 down vote accepted

Yes! It's working perfectly on Snow Leopard (Mac Mini Core Duo @1.83 GHz).

@Lri After launching Shadowkiller, it just toggles on/off the shadow visible status and then quits itself… Never stays open.

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Unsanity's ShadowKiller is in fact working in 10.6, I am using it right now. (Don't know if it causes system instabuility or something).

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I did not do anything special. It has always worked fine for me without any problems. Havn't tried APE. (Perhaps you should make a new user and try to install it). Or try to delete cache files (Library/Caches) which I had to do once after another problem. Just ask me other questions if you want to know anything more about my system. Maybe it is a hardware problem, my computer is from 2008. – r4. Mar 29 '11 at 20:33
That was strange. And after a clean install. (Hope I did hot wast to much time of yours). Yes I use the 1.3 from 2006. Another thing I probably shoud mention is that I had some problems upgrading from Leopard to Snow Lepoard. Not huge ones but in about 2 months (until some upgrade I think) I had some annoying bugs. I've heard others with a similar experiance. Can't really elaborate on exactly what it was since I don't remember all the details. Maybe It had something to do with that I had a lot of software installed, I really don't know. – r4. Apr 5 '11 at 11:20
Anyways. I am really not faking the fact that ShadowKiller has been working just fine with my computer for 10 months now (when I upgraded to Snow Leopard). The only slightly annoying thing is that Wine seems better supported on Leopard... I know there are services where you can upload pictures for free. If you know any I can upload a screenshot. (So that you can be extra sure that I am not faking). Just give me the name of such a webpage, really. I really was not aware that ShadowKiller had annoyances with Snow Leopard. I probably was just lucky. – r4. Apr 5 '11 at 11:28
I don't know what Rosetta is. I am definately not using it. – r4. Apr 5 '11 at 11:31
You can send me an email if you feel like it (and I can send you screenshots). Look at my user and you will find it. – r4. Apr 5 '11 at 11:34

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