diff --git a/psycopg/cursor.h b/psycopg/cursor.h
index 5170900f..e291d45f 100644
--- a/psycopg/cursor.h
+++ b/psycopg/cursor.h
@@ -90,14 +90,11 @@ struct cursorObject {
 
 
 /* C-callable functions in cursor_int.c and cursor_type.c */
-HIDDEN int cursor_init(PyObject *obj, PyObject *args, PyObject *kwargs);
-
 BORROWED HIDDEN PyObject *curs_get_cast(cursorObject *self, PyObject *oid);
 HIDDEN void curs_reset(cursorObject *self);
 HIDDEN int psyco_curs_withhold_set(cursorObject *self, PyObject *pyvalue);
 HIDDEN int psyco_curs_scrollable_set(cursorObject *self, PyObject *pyvalue);
 
-
 /* exception-raising macros */
 #define EXC_IF_CURS_CLOSED(self) \
 do { \
diff --git a/psycopg/cursor_type.c b/psycopg/cursor_type.c
index 63bd5a10..cd8d5ca3 100644
--- a/psycopg/cursor_type.c
+++ b/psycopg/cursor_type.c
@@ -1901,7 +1901,7 @@ cursor_dealloc(PyObject* obj)
     Py_TYPE(obj)->tp_free(obj);
 }
 
-int
+static int
 cursor_init(PyObject *obj, PyObject *args, PyObject *kwargs)
 {
     PyObject *conn;
diff --git a/psycopg/replication_cursor_type.c b/psycopg/replication_cursor_type.c
index f652984e..8d96c0e1 100644
--- a/psycopg/replication_cursor_type.c
+++ b/psycopg/replication_cursor_type.c
@@ -244,8 +244,10 @@ static struct PyGetSetDef replicationCursorObject_getsets[] = {
 };
 
 static int
-replicationCursor_setup(replicationCursorObject* self)
+replicationCursor_init(PyObject *obj, PyObject *args, PyObject *kwargs)
 {
+    replicationCursorObject *self = (replicationCursorObject *)obj;
+
     self->started = 0;
     self->consuming = 0;
     self->decode = 0;
@@ -254,14 +256,7 @@ replicationCursor_setup(replicationCursorObject* self)
     self->flush_lsn = 0;
     self->apply_lsn = 0;
 
-    return 0;
-}
-
-static int
-replicationCursor_init(PyObject *obj, PyObject *args, PyObject *kwargs)
-{
-    replicationCursor_setup((replicationCursorObject *)obj);
-    return cursor_init(obj, args, kwargs);
+    return cursorType.tp_init(obj, args, kwargs);
 }
 
 static PyObject *