diff --git a/src/core/parser/EscapeSequenceParser.ts b/src/core/parser/EscapeSequenceParser.ts
index 95b6120c..d95cc556 100644
--- a/src/core/parser/EscapeSequenceParser.ts
+++ b/src/core/parser/EscapeSequenceParser.ts
@@ -528,7 +528,6 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
           break;
         case ParserAction.DCS_UNHOOK:
           if (dcsHandler) {
-            // if (~dcs) dcsHandler.put(data, dcs, i);
             dcsHandler.unhook();
             dcsHandler = null;
           }