diff --git a/qlasskit/compiler/poccompiler2.py b/qlasskit/compiler/poccompiler2.py
index 716e7cc4..7f16cbce 100644
--- a/qlasskit/compiler/poccompiler2.py
+++ b/qlasskit/compiler/poccompiler2.py
@@ -64,7 +64,8 @@ def compile(self, name, args: Args, returns: Arg, exprs: BoolExpList) -> QCircui
 
         for arg in args:
             for arg_b in arg.bitvec:
-                qi = qc.add_qubit(arg_b)
+                # qi =
+                qc.add_qubit(arg_b)
                 # qc.ancilla_lst.add(qi)
 
         self.expqmap = ExpQMap()