diff --git a/include/pocketpy/obj.h b/include/pocketpy/obj.h
index 4f271941..83ba0730 100644
--- a/include/pocketpy/obj.h
+++ b/include/pocketpy/obj.h
@@ -151,7 +151,6 @@ inline bool is_type(PyObject* obj, Type type) {
 #endif
     switch(type.index){
         case kTpIntIndex: return is_int(obj);
-        case kTpFloatIndex: return is_float(obj);
         default: return !is_tagged(obj) && obj->type == type;
     }
 }
diff --git a/include/pocketpy/vm.h b/include/pocketpy/vm.h
index f6d9808b..06ba2e36 100644
--- a/include/pocketpy/vm.h
+++ b/include/pocketpy/vm.h
@@ -367,8 +367,7 @@ public:
 
     Type _tp(PyObject* obj){
         if(!is_tagged(obj)) return obj->type;
-        if(is_int(obj)) return tp_int;
-        return tp_float;
+        return tp_int;
     }
 
     PyObject* _t(PyObject* obj){