diff --git a/patches/widl-SLTG_Typelib_Support/0019-widl-Avoid-relying-on-side-effects-when-marking-func.patch b/patches/widl-SLTG_Typelib_Support/0019-widl-Avoid-relying-on-side-effects-when-marking-func.patch
deleted file mode 100644
index 6c07fc2c..00000000
--- a/patches/widl-SLTG_Typelib_Support/0019-widl-Avoid-relying-on-side-effects-when-marking-func.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From 2404f4a367d658dc2b54f89381e6038a1bb68660 Mon Sep 17 00:00:00 2001
-From: Dmitry Timoshkov <dmitry@baikal.ru>
-Date: Fri, 22 Jan 2016 11:52:22 +0800
-Subject: widl: Avoid relying on side effects when marking function index as
- the last one.
-
----
- tools/widl/write_sltg.c | 7 ++++---
- 1 file changed, 4 insertions(+), 3 deletions(-)
-
-diff --git a/tools/widl/write_sltg.c b/tools/widl/write_sltg.c
-index bf2ba5f..acfc039 100644
---- a/tools/widl/write_sltg.c
-+++ b/tools/widl/write_sltg.c
-@@ -1465,11 +1465,12 @@ static void add_interface_typeinfo(struct sltg_typelib *typelib, type_t *iface)
- 
-     STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(iface))
-     {
--        if (i == func_count - 1) i |= 0x80000000;
-+        int idx = inherited_func_count + i;
-+
-+        if (i == func_count - 1) idx |= 0x80000000;
- 
-         base_offset += add_func_desc(typelib, &data, stmt_func->u.var,
--                                     inherited_func_count + i,
--                                     dispid++, base_offset, &hrefmap);
-+                                     idx, dispid + i, base_offset, &hrefmap);
-         i++;
-     }
- 
--- 
-2.6.4
-