2 files changed, 3 insertions, 3 deletions
diff --git a/idlc/inc/astexpression.hxx b/idlc/inc/astexpression.hxx
index b146e9c85a07..05d20baa51cd 100644
--- a/idlc/inc/astexpression.hxx
+++ b/idlc/inc/astexpression.hxx
@@ -24,7 +24,7 @@
 #include <memory>
 
 #include "idlc.hxx"
-#include <o3tl/optional.hxx>
+#include <optional>
 
 // Enum to define all the different operators to combine expressions
 enum class ExprComb
@@ -130,7 +130,7 @@ private:
                     m_subExpr2;
     std::unique_ptr<AstExprValue>
                     m_exprValue;
-    o3tl::optional<OString>
+    std::optional<OString>
                     m_xSymbolicName;
 };
 
diff --git a/idlc/inc/astsequence.hxx b/idlc/inc/astsequence.hxx
index 68a98dfe5162..41024894f47a 100644
--- a/idlc/inc/astsequence.hxx
+++ b/idlc/inc/astsequence.hxx
@@ -38,7 +38,7 @@ public:
     virtual const char* getRelativName() const override;
 private:
     AstType const * m_pMemberType;
-    mutable o3tl::optional<OString> m_xRelativName;
+    mutable std::optional<OString> m_xRelativName;
 };
 
 #endif // INCLUDED_IDLC_INC_ASTSEQUENCE_HXX