diff --git a/ucp/_libs/arr.pyx b/ucp/_libs/arr.pyx
index 1f2130f1..635d897c 100644
--- a/ucp/_libs/arr.pyx
+++ b/ucp/_libs/arr.pyx
@@ -4,13 +4,12 @@
 # cython: language_level=3
 
 
-from cpython.array cimport array, newarrayobject
 from cpython.buffer cimport PyBuffer_IsContiguous
+from cpython.mem cimport PyMem_Free, PyMem_Malloc
 from cpython.memoryview cimport (
     PyMemoryView_FromObject,
     PyMemoryView_GET_BUFFER,
 )
-from cpython.object cimport PyObject
 from cpython.ref cimport Py_INCREF
 from cpython.tuple cimport PyTuple_New, PyTuple_SET_ITEM
 from cython cimport (
@@ -20,6 +19,7 @@ from cython cimport (
     nonecheck,
     wraparound,
 )
+from cython.view cimport array
 from libc.stdint cimport uintptr_t
 from libc.string cimport memcpy
 
@@ -62,13 +62,14 @@ cdef dict itemsize_mapping = {
 }
 
 
-cdef array array_Py_ssize_t = array("q")
+cdef sizeof_Py_ssize_t = sizeof(Py_ssize_t)
 
 
-cdef inline Py_ssize_t[::1] new_Py_ssize_t_array(Py_ssize_t n):
-    return newarrayobject(
-        (<PyObject*>array_Py_ssize_t).ob_type, n, array_Py_ssize_t.ob_descr
-    )
+cdef Py_ssize_t[::1] new_Py_ssize_t_array(Py_ssize_t n):
+    cdef array a = array((n,), sizeof_Py_ssize_t, b"q", "c", False)
+    a.data = <char*>PyMem_Malloc(n * sizeof(Py_ssize_t))
+    a.callback_free_data = PyMem_Free
+    return a
 
 
 @auto_pickle(False)