diff --git a/backport-CVE-2023-45322.patch b/backport-CVE-2023-45322.patch
deleted file mode 100644
index 6b7bc5b4583841947b7850d81be051e0d868ec9b..0000000000000000000000000000000000000000
--- a/backport-CVE-2023-45322.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-From d39f78069dff496ec865c73aa44d7110e429bce9 Mon Sep 17 00:00:00 2001
-From: Nick Wellnhofer <wellnhofer@aevum.de>
-Date: Wed, 23 Aug 2023 20:24:24 +0200
-Subject: [PATCH] tree: Fix copying of DTDs
-
-- Don't create multiple DTD nodes.
-- Fix UAF if malloc fails.
-- Skip DTD nodes if tree module is disabled.
-
-Fixes #583.
----
- tree.c | 31 ++++++++++++++++---------------
- 1 file changed, 16 insertions(+), 15 deletions(-)
-
-diff --git a/tree.c b/tree.c
-index 6c8a875b..02c1b579 100644
---- a/tree.c
-+++ b/tree.c
-@@ -4386,29 +4386,28 @@ xmlNodePtr
- xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
-     xmlNodePtr ret = NULL;
-     xmlNodePtr p = NULL,q;
-+    xmlDtdPtr newSubset = NULL;
- 
-     while (node != NULL) {
--#ifdef LIBXML_TREE_ENABLED
- 	if (node->type == XML_DTD_NODE ) {
--	    if (doc == NULL) {
-+#ifdef LIBXML_TREE_ENABLED
-+	    if ((doc == NULL) || (doc->intSubset != NULL)) {
- 		node = node->next;
- 		continue;
- 	    }
--	    if (doc->intSubset == NULL) {
--		q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node );
--		if (q == NULL) goto error;
--		q->doc = doc;
--		q->parent = parent;
--		doc->intSubset = (xmlDtdPtr) q;
--		xmlAddChild(parent, q);
--	    } else {
--		q = (xmlNodePtr) doc->intSubset;
--		xmlAddChild(parent, q);
--	    }
--	} else
-+            q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node );
-+            if (q == NULL) goto error;
-+            q->doc = doc;
-+            q->parent = parent;
-+            newSubset = (xmlDtdPtr) q;
-+#else
-+            node = node->next;
-+            continue;
- #endif /* LIBXML_TREE_ENABLED */
-+	} else {
- 	    q = xmlStaticCopyNode(node, doc, parent, 1);
--	if (q == NULL) goto error;
-+	    if (q == NULL) goto error;
-+        }
- 	if (ret == NULL) {
- 	    q->prev = NULL;
- 	    ret = p = q;
-@@ -4420,6 +4419,8 @@ xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
- 	}
- 	node = node->next;
-     }
-+    if (newSubset != NULL)
-+        doc->intSubset = newSubset;
-     return(ret);
- error:
-     xmlFreeNodeList(ret);
--- 
-2.27.0
-