diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index a409b22..6b04afc 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1624,7 +1624,7 @@
         Py_DECREF(*(PyObject**)addr);
         return 1;
     }
-    if (PyBytes_Check(arg) || PyByteArray_Check(arg)) {
+    if (PyBytes_Check(arg)) {
         output = arg;
         Py_INCREF(output);
     }