diff --git a/Python/errors.c b/Python/errors.c
index e0ff90f..24dafca 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -379,7 +379,7 @@
 	return result;
 }
 
-#ifdef Py_WIN_WIDE_FILENAMES
+#ifdef MS_WINDOWS
 PyObject *
 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, Py_UNICODE *filename)
 {
@@ -390,7 +390,7 @@
 	Py_XDECREF(name);
 	return result;
 }
-#endif /* Py_WIN_WIDE_FILENAMES */
+#endif /* MS_WINDOWS */
 
 PyObject *
 PyErr_SetFromErrno(PyObject *exc)
@@ -460,7 +460,6 @@
 	return ret;
 }
 
-#ifdef Py_WIN_WIDE_FILENAMES
 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
 	PyObject *exc,
 	int ierr,
@@ -475,7 +474,6 @@
 	Py_XDECREF(name);
 	return ret;
 }
-#endif /* Py_WIN_WIDE_FILENAMES */
 
 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
 {
@@ -499,7 +497,6 @@
 	return result;
 }
 
-#ifdef Py_WIN_WIDE_FILENAMES
 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
 	int ierr,
 	const Py_UNICODE *filename)
@@ -513,7 +510,6 @@
 	Py_XDECREF(name);
 	return result;
 }
-#endif /* Py_WIN_WIDE_FILENAMES */
 #endif /* MS_WINDOWS */
 
 void