diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index ded9188..abad251 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -633,7 +633,7 @@
     if (datalen == 0) {
         PyBuffer_Release(&pdata);
         ERROR_DECREF(errorcb);
-        return make_tuple(PyUnicode_FromUnicode(NULL, 0), 0);
+        return make_tuple(PyUnicode_New(0, 0), 0);
     }
 
     buf.excobj = NULL;
@@ -1265,7 +1265,7 @@
     Py_ssize_t rsize, finalsize = 0;
 
     if (sizehint == 0)
-        return PyUnicode_FromUnicode(NULL, 0);
+        return PyUnicode_New(0, 0);
 
     buf.outobj = buf.excobj = NULL;
     cres = NULL;
diff --git a/Objects/stringlib/unicode_format.h b/Objects/stringlib/unicode_format.h
index 7de5438..f05847a 100644
--- a/Objects/stringlib/unicode_format.h
+++ b/Objects/stringlib/unicode_format.h
@@ -79,7 +79,7 @@
 SubString_new_object_or_empty(SubString *str)
 {
     if (str->str == NULL) {
-        return PyUnicode_FromUnicode(NULL, 0);
+        return PyUnicode_New(0, 0);
     }
     return SubString_new_object(str);
 }