diff --git a/core/fpdfdoc/cpdf_formfield.cpp b/core/fpdfdoc/cpdf_formfield.cpp
index ae10b9e..bfc39b0 100644
--- a/core/fpdfdoc/cpdf_formfield.cpp
+++ b/core/fpdfdoc/cpdf_formfield.cpp
@@ -643,57 +643,6 @@
   return -1;
 }
 
-#ifdef PDF_ENABLE_XFA
-int CPDF_FormField::InsertOption(WideString csOptLabel,
-                                 int index,
-                                 bool bNotify) {
-  if (csOptLabel.IsEmpty())
-    return -1;
-
-  if (bNotify && !NotifyListOrComboBoxBeforeChange(csOptLabel))
-    return -1;
-
-  ByteString csStr = PDF_EncodeText(csOptLabel);
-  CPDF_Array* pOpt = ToArray(FPDF_GetFieldAttr(m_pDict.Get(), "Opt"));
-  if (!pOpt)
-    pOpt = m_pDict->SetNewFor<CPDF_Array>("Opt");
-
-  int iCount = pdfium::base::checked_cast<int>(pOpt->GetCount());
-  if (index >= iCount) {
-    pOpt->AddNew<CPDF_String>(csStr, false);
-    index = iCount;
-  } else {
-    pOpt->InsertNewAt<CPDF_String>(index, csStr, false);
-  }
-
-  if (bNotify)
-    NotifyListOrComboBoxAfterChange();
-  return index;
-}
-
-bool CPDF_FormField::ClearOptions(bool bNotify) {
-  if (bNotify && m_pForm->GetFormNotify()) {
-    WideString csValue;
-    int iIndex = GetSelectedIndex(0);
-    if (iIndex >= 0)
-      csValue = GetOptionLabel(iIndex);
-    if (!NotifyListOrComboBoxBeforeChange(csValue))
-      return false;
-  }
-
-  m_pDict->RemoveFor("Opt");
-  m_pDict->RemoveFor("V");
-  m_pDict->RemoveFor("DV");
-  m_pDict->RemoveFor("I");
-  m_pDict->RemoveFor("TI");
-
-  if (bNotify)
-    NotifyListOrComboBoxAfterChange();
-
-  return true;
-}
-#endif  // PDF_ENABLE_XFA
-
 bool CPDF_FormField::CheckControl(int iControlIndex,
                                   bool bChecked,
                                   bool bNotify) {
diff --git a/core/fpdfdoc/cpdf_formfield.h b/core/fpdfdoc/cpdf_formfield.h
index b79e430..315ca76 100644
--- a/core/fpdfdoc/cpdf_formfield.h
+++ b/core/fpdfdoc/cpdf_formfield.h
@@ -160,17 +160,9 @@
 
   int GetSelectedOptionIndex(int index) const;
   bool IsOptionSelected(int iOptIndex) const;
-
   bool SelectOption(int iOptIndex, bool bSelected, bool bNotify = false);
-
   bool ClearSelectedOptions(bool bNotify = false);
 
-#ifdef PDF_ENABLE_XFA
-  bool ClearOptions(bool bNotify = false);
-
-  int InsertOption(WideString csOptLabel, int index = -1, bool bNotify = false);
-#endif  // PDF_ENABLE_XFA
-
   float GetFontSize() const { return m_FontSize; }
   CPDF_Font* GetFont() const { return m_pFont.Get(); }