Wipe clean (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wipe clean</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for erase that I've seen before include "Destroy recording on audio or video tape" , "Clear" , "Efface" , "Blank out" , "Rub out, expunge" .)
(Other definitions for mop up that I've seen before include "Complete final stage (of a task)" , "Swab" , "Deal with spillage or defeated enemy" , "Finish a task, clear away remnants" , "Finish off a task, clean away remnants" .)