Do an exterminator's job

• Rid of rodents
• Clear of, as vermin
• Clear à la the Pied Piper
• Do the Pied Piper's job
• Disinfest, perhaps
• Perform an exterminator's service
• Clear Г  la the Pied Piper
• Get rid of rodents
• Exterminate vermin?

Wiktionary Word definitions in Wiktionary
vb. (context transitive English) To remove the rats from something.