diff --git a/fpdfsdk/cpdfsdk_widget.cpp b/fpdfsdk/cpdfsdk_widget.cpp
index 8f34541..840c75a 100644
--- a/fpdfsdk/cpdfsdk_widget.cpp
+++ b/fpdfsdk/cpdfsdk_widget.cpp
@@ -559,7 +559,6 @@
 #endif  // PDF_ENABLE_XFA
 }
 
-void CPDFSDK_Widget::SetDefaultValue(const WideString& sValue) {}
 void CPDFSDK_Widget::SetOptionSelection(int index,
                                         bool bSelected,
                                         bool bNotify) {
diff --git a/fpdfsdk/cpdfsdk_widget.h b/fpdfsdk/cpdfsdk_widget.h
index e480fc9..db03262 100644
--- a/fpdfsdk/cpdfsdk_widget.h
+++ b/fpdfsdk/cpdfsdk_widget.h
@@ -87,7 +87,6 @@
 
   void SetCheck(bool bChecked, bool bNotify);
   void SetValue(const WideString& sValue, bool bNotify);
-  void SetDefaultValue(const WideString& sValue);
   void SetOptionSelection(int index, bool bSelected, bool bNotify);
   void ClearSelection(bool bNotify);
   void SetTopVisibleIndex(int index);