1 files changed, 0 insertions, 18 deletions
diff --git a/Include/cpython/pyerrors.h b/Include/cpython/pyerrors.h
index d0300f6..65bdc94 100644
--- a/Include/cpython/pyerrors.h
+++ b/Include/cpython/pyerrors.h
@@ -116,24 +116,6 @@ PyAPI_FUNC(int) _PyException_AddNote(
      PyObject *exc,
      PyObject *note);
 
-/* Helper that attempts to replace the current exception with one of the
- * same type but with a prefix added to the exception text. The resulting
- * exception description looks like:
- *
- *     prefix (exc_type: original_exc_str)
- *
- * Only some exceptions can be safely replaced. If the function determines
- * it isn't safe to perform the replacement, it will leave the original
- * unmodified exception in place.
- *
- * Returns a borrowed reference to the new exception (if any), NULL if the
- * existing exception was left in place.
- */
-PyAPI_FUNC(PyObject *) _PyErr_TrySetFromCause(
-    const char *prefix_format,   /* ASCII-encoded string  */
-    ...
-    );
-
 /* In signalmodule.c */
 
 int PySignal_SetWakeupFd(int fd);