diff --git a/src/ceval.h b/src/ceval.h
index f30c411f..7b321c72 100644
--- a/src/ceval.h
+++ b/src/ceval.h
@@ -445,7 +445,7 @@ __NEXT_STEP:;
             _0 = call_method(TOP(), __contains__, SECOND());
         }
         POP();
-        TOP() = VAR(static_cast<bool>(CAST(bool, _0) ^ byte.arg));
+        TOP() = VAR(static_cast<bool>((int)CAST(bool, _0) ^ byte.arg));
         DISPATCH();
     /*****************************************/
     TARGET(JUMP_ABSOLUTE)
diff --git a/src/vector.h b/src/vector.h
index 83658ed7..3ddac26b 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -141,6 +141,4 @@ public:
 	Container& data() { return vec; }
 };
 
-// template <typename T>
-// using pod_stack = stack<T, pod_vector<T>>;
 } // namespace pkpy
\ No newline at end of file