diff --git a/src/lib-sieve/plugins/vacation/cmd-vacation.c b/src/lib-sieve/plugins/vacation/cmd-vacation.c
index 8664692f9bd54abbc2b3047f2bece2950d755d0d..55c5c38207ba5d5d89d9dfc8e67b241b3db2f592 100644
--- a/src/lib-sieve/plugins/vacation/cmd-vacation.c
+++ b/src/lib-sieve/plugins/vacation/cmd-vacation.c
@@ -720,11 +720,8 @@ static bool act_vacation_send
 	fprintf(f, "%s\r\n", ctx->reason);
 
 	/* Close smtp session */    
-	if ( senv->smtp_close(smtp_handle) ) {
-		/*senv->duplicate_mark(outmsgid, strlen(outmsgid),          WHY?!
-		  senv->username, ioloop_time + DUPLICATE_DEFAULT_KEEP);*/
+	if ( senv->smtp_close(smtp_handle) )
 		return TRUE;
-	}
 	
 	return FALSE;
 }