diff --git a/fpdfsdk/pwl/cpwl_wnd.cpp b/fpdfsdk/pwl/cpwl_wnd.cpp
index 51b5988..c290073 100644
--- a/fpdfsdk/pwl/cpwl_wnd.cpp
+++ b/fpdfsdk/pwl/cpwl_wnd.cpp
@@ -452,11 +452,6 @@
   return m_CreationParams.nBorderStyle;
 }
 
-void CPWL_Wnd::SetBorderStyle(BorderStyle nBorderStyle) {
-  if (HasFlag(PWS_BORDER))
-    m_CreationParams.nBorderStyle = nBorderStyle;
-}
-
 int32_t CPWL_Wnd::GetBorderWidth() const {
   return HasFlag(PWS_BORDER) ? m_CreationParams.dwBorderWidth : 0;
 }
@@ -743,10 +738,6 @@
   return HasFlag(PWS_CHILD) ? m_CreationParams.mtChild : CFX_Matrix();
 }
 
-void CPWL_Wnd::SetChildMatrix(const CFX_Matrix& mt) {
-  m_CreationParams.mtChild = mt;
-}
-
 const CPWL_Wnd* CPWL_Wnd::GetFocused() const {
   CPWL_MsgControl* pMsgCtrl = GetMsgControl();
   return pMsgCtrl ? pMsgCtrl->GetFocusedWindow() : nullptr;
diff --git a/fpdfsdk/pwl/cpwl_wnd.h b/fpdfsdk/pwl/cpwl_wnd.h
index d3885ab..5e12231 100644
--- a/fpdfsdk/pwl/cpwl_wnd.h
+++ b/fpdfsdk/pwl/cpwl_wnd.h
@@ -202,8 +202,6 @@
   void SetTextColor(const CFX_Color& color);
   CFX_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const;
   CFX_Color GetBorderRightBottomColor(BorderStyle nBorderStyle) const;
-
-  void SetBorderStyle(BorderStyle nBorderStyle);
   BorderStyle GetBorderStyle() const;
   const CPWL_Dash& GetBorderDash() const;
 
@@ -248,7 +246,6 @@
 
   CFX_Matrix GetChildToRoot() const;
   CFX_Matrix GetChildMatrix() const;
-  void SetChildMatrix(const CFX_Matrix& mt);
   CFX_Matrix GetWindowMatrix() const;
 
   virtual void OnSetFocus();