tidy up

US /ˈtaɪ.di ʌp/
UK /ˈtaɪ.di ʌp/
"tidy up" picture
1.

to make a place neat and orderly by arranging things, putting them away, and cleaning

:
Please tidy up your room before your friends come over.
I need to tidy up my desk; it's a mess.