diff --git a/src/engine/gw-engine-spec.scm b/src/engine/gw-engine-spec.scm
index 69889defe5..ff91fac30a 100644
--- a/src/engine/gw-engine-spec.scm
+++ b/src/engine/gw-engine-spec.scm
@@ -315,7 +315,6 @@
       "#include <Backend.h>\n"
       "#include <Group.h>\n"
       "#include <gnc-book.h>\n"
-      "#include <gnc-book-p.h>\n"
       "#include <gnc-session.h>\n"
       "#include <gnc-engine-util.h>\n"
       "#include <date.h>\n"
@@ -1557,15 +1556,6 @@ when no longer needed.")
    '((<gnc:Book*> book))
    "Get the book's account group.")
 
-  ;; XXX FIXME this is a private function, should not be exported publically.
-  (gw:wrap-function
-   mod
-   'gnc:book-set-group
-   '<gw:void>
-   "gnc_book_set_group"
-   '((<gnc:Book*> book) (<gnc:AccountGroup*> group))
-   "Set the book's account group.")
-
   (gw:wrap-function
    mod
    'gnc:book-get-commodity-table