diff --git a/include/pocketpy/objects/base.h b/include/pocketpy/objects/base.h
index 5b6b36df..7477f648 100644
--- a/include/pocketpy/objects/base.h
+++ b/include/pocketpy/objects/base.h
@@ -23,7 +23,6 @@ typedef struct PyVar{
     union {
         int64_t _i64;
         double _f64;
-        bool _bool;
         PyObject* _obj;
         void* _ptr;
         // Vec2