I delete apps, but still in launchpad

I downloaded an apliaction- DAY-O, it is simple utility in menubar to show calendar. I just want to uninstall it. I just simply delete it from application folder. But icon is still in launchpad, don undertand to it. Please can you give me advice, how can I definitely delete it?

thank you very much

Sedulous said:

Stuff sometimes doesn't disappear until after a reboot. If emptying the trash didn't solve the problem, try a reboot.

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That was the first things what I did. Firstly try to empty trash. Didn t solve it. Than I reboot it. And the icon is still in launchpad...

Sedulous said:

Is there a .dmg mounted?

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no! But I has finally solve the problem. So for other people who may it be has or had similar problem. Problem wash t by day-o application and wrong delete it. I did install a LAUNCHPAD CONTROL. And from some reason after deleted day-o, the day-o icon still launchpad control remembered and for that still was in launchpad. I deleted launchpad control from application folder and the day-o icon disappear too