tidy up
US /ˈtaɪ.di ʌp/
UK /ˈtaɪ.di ʌp/

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