diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index 696be7e..9a44b6c 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -322,37 +322,6 @@
   m_fScrollOffsetY = fScrollOffset;
 }
 
-void CFWL_Edit::DrawTextBk(CFGAS_GEGraphics* pGraphics,
-                           const CFX_Matrix* pMatrix) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = this;
-  param.m_iPart = CFWL_Part::Background;
-  param.m_bStaticBackground = false;
-  param.m_dwStates = m_Properties.m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly
-                         ? CFWL_PartState_ReadOnly
-                         : CFWL_PartState_Normal;
-  uint32_t dwStates = (m_Properties.m_dwStates & FWL_WGTSTATE_Disabled);
-  if (dwStates)
-    param.m_dwStates = CFWL_PartState_Disabled;
-  param.m_pGraphics = pGraphics;
-  param.m_matrix = *pMatrix;
-  param.m_PartRect = m_ClientRect;
-  GetThemeProvider()->DrawBackground(param);
-
-  if (!IsShowScrollBar(true) || !IsShowScrollBar(false))
-    return;
-
-  CFX_RectF rtScroll = m_pHorzScrollBar->GetWidgetRect();
-
-  CFX_RectF rtStatic(m_ClientRect.right() - rtScroll.height,
-                     m_ClientRect.bottom() - rtScroll.height, rtScroll.height,
-                     rtScroll.height);
-  param.m_bStaticBackground = true;
-  param.m_bMaximize = true;
-  param.m_PartRect = rtStatic;
-  GetThemeProvider()->DrawBackground(param);
-}
-
 void CFWL_Edit::DrawContent(CFGAS_GEGraphics* pGraphics,
                             const CFX_Matrix* pMatrix) {
   pGraphics->SaveGraphState();
@@ -909,26 +878,6 @@
   pXFAWidget->DisplayCaret(false, pRect);
 }
 
-bool CFWL_Edit::ValidateNumberChar(wchar_t cNum) {
-  if (!m_bSetRange)
-    return true;
-
-  WideString wsText = m_pEditEngine->GetText();
-  if (wsText.IsEmpty())
-    return cNum != L'0';
-
-  if (HasSelection())
-    return wsText.GetInteger() <= m_iMax;
-  if (cNum == L'0' && m_CursorPosition == 0)
-    return false;
-
-  int32_t nLen = wsText.GetLength();
-  WideString first = wsText.First(m_CursorPosition);
-  WideString last = wsText.Last(nLen - m_CursorPosition);
-  WideString wsNew = first + cNum + last;
-  return wsNew.GetInteger() <= m_iMax;
-}
-
 void CFWL_Edit::InitCaret() {
   if (m_pCaret)
     return;
diff --git a/xfa/fwl/cfwl_edit.h b/xfa/fwl/cfwl_edit.h
index f6f6fec..51e5e47 100644
--- a/xfa/fwl/cfwl_edit.h
+++ b/xfa/fwl/cfwl_edit.h
@@ -108,7 +108,6 @@
   void RenderText(CFX_RenderDevice* pRenderDev,
                   const CFX_RectF& clipRect,
                   const CFX_Matrix& mt);
-  void DrawTextBk(CFGAS_GEGraphics* pGraphics, const CFX_Matrix* pMatrix);
   void DrawContent(CFGAS_GEGraphics* pGraphics, const CFX_Matrix* pMatrix);
 
   void UpdateEditEngine();
@@ -126,7 +125,6 @@
   void InitHorizontalScrollBar();
   void InitEngine();
   void InitCaret();
-  bool ValidateNumberChar(wchar_t cNum);
   bool IsShowScrollBar(bool bVert);
   bool IsContentHeightOverflow();
   void SetCursorPosition(size_t position);
@@ -149,9 +147,7 @@
   CFX_RectF m_StaticRect;
   CFX_RectF m_CaretRect;
   bool m_bLButtonDown = false;
-  bool m_bSetRange = false;
   int32_t m_nLimit = -1;
-  int32_t m_iMax = 0xFFFFFFF;
   float m_fVAlignOffset = 0.0f;
   float m_fScrollOffsetX = 0.0f;
   float m_fScrollOffsetY = 0.0f;