diff --git a/src/optional/swig/gnucash.engine.i b/src/optional/swig/gnucash.engine.i
deleted file mode 100644
index 7f9eb220ab..0000000000
--- a/src/optional/swig/gnucash.engine.i
+++ /dev/null
@@ -1,26 +0,0 @@
-%module gnucash
-%include perl5_swig_annotations.i
-%{
-#include <Account.h>
-#include <DateUtils.h>
-#include <GNCId.h>
-#include <Group.h>
-#include <Query.h>
-#include <Queue.h>
-#include <Scrub.h>
-#include <TransLog.h>
-#include <Transaction.h>
-#include <date.h>
-#include <gnc-book.h>
-%}
-%include Account.h
-%include DateUtils.h
-%include GNCId.h
-%include Group.h
-%include Query.h
-%include Queue.h
-%include Scrub.h
-%include TransLog.h
-%include Transaction.h
-%include date.h
-%include "gnc-book.h"