diff --git a/include/comphelper/stl_types.hxx b/include/comphelper/stl_types.hxx
index 134564c385b9..10bcc2cb653e 100644
--- a/include/comphelper/stl_types.hxx
+++ b/include/comphelper/stl_types.hxx
@@ -57,12 +57,6 @@ public:
     bool isCaseSensitive() const {return m_bCaseSensitive;}
 };
 
-//------------------------------------------------------------------------
-struct UStringIEqual
-{
-    sal_Bool operator() (const OUString& lhs, const OUString& rhs) const { return lhs.equalsIgnoreAsciiCase( rhs );}
-};
-
 //------------------------------------------------------------------------
 class UStringMixEqual
 {