CTRLBankTools now listens for the 'bank_remove_duplicates' event, which will call the NESBank .removeDuplicates().compact()

app/js/ctrls/CTRLBankTools.js

 }
 
 
+function HANDLE_RemoveDuplicates(){
+  if (SURF !== null){
+    SURF.removeDuplicates().compact();
+  }
+}
+
+
 function HANDLE_ModeChange(){
   if (ELCtrl !== null && SURF !== null){
     var val = this.options[this.selectedIndex].value; 
 class CTRLBankTools{
   constructor(){
     GlobalEvents.listen("change_surface", HANDLE_SurfChange);
+    GlobalEvents.listen("bank_remove_duplicates", HANDLE_RemoveDuplicates);
   }
 
   close(){