diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index b6cffa0..59f20a5 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -794,7 +794,7 @@
         return -1;
 
     while ((v = PyIter_Next(it)) != NULL) {
-        if (ins1(self, (int) Py_SIZE(self), v) != 0) {
+        if (ins1(self, Py_SIZE(self), v) != 0) {
             Py_DECREF(v);
             Py_DECREF(it);
             return -1;
@@ -1069,7 +1069,7 @@
 static PyObject *
 array_append(arrayobject *self, PyObject *v)
 {
-    return ins(self, (int) Py_SIZE(self), v);
+    return ins(self, Py_SIZE(self), v);
 }
 
 PyDoc_STRVAR(append_doc,