diff --git a/include/phpy.h b/include/phpy.h
index f1d852f..ab05f8c 100644
--- a/include/phpy.h
+++ b/include/phpy.h
@@ -181,7 +181,6 @@ zend_class_entry *phpy_object_get_ce();
 zend_class_entry *phpy_sequence_get_ce();
 zend_class_entry *phpy_iter_get_ce();
 zend_class_entry *phpy_dict_get_ce();
-zend_class_entry *phpy_mapping_get_ce();
 
 void phpy_object_ctor(zval *zobject, PyObject *object);
 /**
@@ -232,7 +231,6 @@ void new_module(zval *zv, PyObject *pv);
 void new_object(zval *zv, PyObject *pv);
 void new_object(zval *zv, PyObject *pv, zend_class_entry *ce);
 void new_dict(zval *zv, PyObject *pv);
-void new_mapping(zval *zv, PyObject *pv);
 void new_list(zval *zv, PyObject *pv);
 void new_tuple(zval *zv, PyObject *pv);
 void new_set(zval *zv, PyObject *pv);
diff --git a/src/php/object.cc b/src/php/object.cc
index aba54e8..f55cbe8 100644
--- a/src/php/object.cc
+++ b/src/php/object.cc
@@ -185,7 +185,7 @@ int php_class_object_init(INIT_FUNC_ARGS) {
     INIT_CLASS_ENTRY(ce, "PyObject", class_PyObject_methods);
     PyObject_ce = zend_register_internal_class_ex(&ce, NULL);
     PyObject_ce->ce_flags |= ZEND_ACC_NO_DYNAMIC_PROPERTIES | ZEND_ACC_NOT_SERIALIZABLE;
-    zend_class_implements(PyObject_ce, 3, zend_ce_iterator, zend_ce_arrayaccess, zend_ce_countable``);
+    zend_class_implements(PyObject_ce, 3, zend_ce_iterator, zend_ce_arrayaccess, zend_ce_countable);
 
     PyObject_ce->create_object = phpy_object_create_object;