diff --git a/include/xmloff/txtstyli.hxx b/include/xmloff/txtstyli.hxx
index a142e3d484e6..ee2692fe0ba3 100644
--- a/include/xmloff/txtstyli.hxx
+++ b/include/xmloff/txtstyli.hxx
@@ -71,6 +71,9 @@ public:
             bool bDefaultStyle = false );
     ~XMLTextStyleContext() override;
 
+    XMLTextStyleContext(const XMLTextStyleContext &) = delete;
+    XMLTextStyleContext operator=(const XMLTextStyleContext &) = delete;
+
     virtual SvXMLImportContext *CreateChildContext(
             sal_uInt16 nPrefix,
             const OUString& rLocalName,