diff --git a/BUILD.gn b/BUILD.gn
index 6ece5e7..c793d74 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -776,9 +776,6 @@
   static_library("xfa") {
     sources = [
       "xfa/include/foxitxfa.h",
-      "xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h",
-      "xfa/include/fwl/adapter/fwl_adaptercursormgr.h",
-      "xfa/include/fwl/adapter/fwl_adaptermonitormgr.h",
       "xfa/include/fwl/adapter/fwl_adapternative.h",
       "xfa/include/fwl/adapter/fwl_adapterthreadmgr.h",
       "xfa/include/fwl/adapter/fwl_adaptertimermgr.h",
diff --git a/xfa.gyp b/xfa.gyp
index 8e1ddec..0ff4fa8 100644
--- a/xfa.gyp
+++ b/xfa.gyp
@@ -23,9 +23,6 @@
       ],
       "sources":[
         "xfa/include/foxitxfa.h",
-        "xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h",
-        "xfa/include/fwl/adapter/fwl_adaptercursormgr.h",
-        "xfa/include/fwl/adapter/fwl_adaptermonitormgr.h",
         "xfa/include/fwl/adapter/fwl_adapternative.h",
         "xfa/include/fwl/adapter/fwl_adapterthreadmgr.h",
         "xfa/include/fwl/adapter/fwl_adaptertimermgr.h",
diff --git a/xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h b/xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h
deleted file mode 100644
index 52cd7b8..0000000
--- a/xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FWL_ADAPTER_CLIPBOARDMGR_H
-#define _FWL_ADAPTER_CLIPBOARDMGR_H
-
-enum FWL_CLIPBOARDFORMAT {
-  FWL_CLIPBOARDFORMAT_Dib,
-  FWL_CLIPBOARDFORMAT_Text,
-  FWL_CLIPBOARDFORMAT_UncodeText,
-};
-typedef struct _FWL_HCLIPBOARDDATA { void* pData; } * FWL_HCLIPBOARDDATA;
-
-class IFWL_AdapterClipboardMgr {
- public:
-  virtual ~IFWL_AdapterClipboardMgr() {}
-  virtual FWL_ERR Empty() = 0;
-  virtual FX_BOOL IsDataAvailable(FX_DWORD dwFormat) = 0;
-  virtual FWL_HCLIPBOARDDATA GetData(FX_DWORD dwFormat) = 0;
-  virtual FWL_ERR SetData(FX_DWORD dwFormat, uint8_t* pBuf, int32_t iSize) = 0;
-  virtual int32_t GetDataSize(FWL_HCLIPBOARDDATA hData) = 0;
-  virtual void* LockDataBuffer(FWL_HCLIPBOARDDATA hData) = 0;
-  virtual FX_BOOL UnLockDataBuffer(FWL_HCLIPBOARDDATA hData) = 0;
-  virtual FWL_ERR SetStringData(const CFX_WideStringC& ws) = 0;
-  virtual FWL_ERR SetStringData(const CFX_ByteStringC& bs) = 0;
-  virtual FWL_ERR GetStringData(CFX_WideString& ws) = 0;
-  virtual FWL_ERR GetStringData(CFX_ByteString& bs) = 0;
-  virtual FWL_ERR EnumFormats(CFX_DWordArray& formats) = 0;
-  virtual FX_DWORD RegisterFormat(const CFX_WideStringC& wsFormat) = 0;
-};
-#endif
diff --git a/xfa/include/fwl/adapter/fwl_adaptercursormgr.h b/xfa/include/fwl/adapter/fwl_adaptercursormgr.h
deleted file mode 100644
index cc8b8ec..0000000
--- a/xfa/include/fwl/adapter/fwl_adaptercursormgr.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FWL_ADAPTER_CURSORMGR_H
-#define _FWL_ADAPTER_CURSORMGR_H
-class CFX_DIBitmap;
-class IFWL_AdapterCursorMgr;
-enum FWL_CURSORTYPE {
-  FWL_CURSORTYPE_Arrow = 0,
-  FWL_CURSORTYPE_Cross,
-  FWL_CURSORTYPE_Hand,
-  FWL_CURSORTYPE_InputBeam,
-  FWL_CURSORTYPE_Wait,
-  FWL_CURSORTYPE_SizeAll,
-  FWL_CURSORTYPE_SizeNWSE,
-  FWL_CURSORTYPE_SizeNESW,
-  FWL_CURSORTYPE_SizeWE,
-  FWL_CURSORTYPE_SizeNS,
-  FWL_CURSORTYPE_Prohibition,
-  FWL_CURSORTYPE_Help
-};
-typedef struct _FWL_HCURSOR { void* pData; } * FWL_HCURSOR;
-
-class IFWL_AdapterCursorMgr {
- public:
-  virtual ~IFWL_AdapterCursorMgr() {}
-  virtual FWL_HCURSOR GetSystemCursor(FWL_CURSORTYPE eCursorType) = 0;
-  virtual FWL_HCURSOR GetCustomCursor(const CFX_DIBitmap* pBitmap,
-                                      FX_FLOAT xHotspot = 0,
-                                      FX_FLOAT yHotspot = 0) = 0;
-  virtual FWL_ERR SetCursor(FWL_HCURSOR hCursor) = 0;
-  virtual FWL_ERR ShowCursor(FX_BOOL bShow) = 0;
-  virtual FWL_ERR GetCursorPos(CFX_PointF& pt) = 0;
-};
-#endif
diff --git a/xfa/include/fwl/adapter/fwl_adaptermonitormgr.h b/xfa/include/fwl/adapter/fwl_adaptermonitormgr.h
deleted file mode 100644
index 666f06c..0000000
--- a/xfa/include/fwl/adapter/fwl_adaptermonitormgr.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FWL_ADAPTER_MONITORMGR_H
-#define _FWL_ADAPTER_MONITORMGR_H
-
-typedef struct _FWL_HMONITOR { void* pData; } * FWL_HMONITOR;
-
-class IFWL_AdapterMonitorMgr {
- public:
-  virtual ~IFWL_AdapterMonitorMgr() {}
-  virtual int32_t CountMonitors() = 0;
-  virtual FWL_HMONITOR GetMonitor(int32_t nIndex) = 0;
-  virtual FWL_HMONITOR GetCurrentMonitor() = 0;
-  virtual FWL_HMONITOR GetMonitorByRect(const CFX_RectF& rect) = 0;
-  virtual FWL_HMONITOR GetMonitorByPoint(FX_FLOAT fx, FX_FLOAT fy) = 0;
-  virtual FWL_ERR GetMonitorSize(FWL_HMONITOR hMonitor,
-                                 FX_FLOAT& fx,
-                                 FX_FLOAT& fy) = 0;
-};
-#endif
diff --git a/xfa/include/fwl/adapter/fwl_adapternative.h b/xfa/include/fwl/adapter/fwl_adapternative.h
index 6d02610..b914f7b 100644
--- a/xfa/include/fwl/adapter/fwl_adapternative.h
+++ b/xfa/include/fwl/adapter/fwl_adapternative.h
@@ -6,13 +6,11 @@
 
 #ifndef _FWL_ADAPTER_NATIVE_H
 #define _FWL_ADAPTER_NATIVE_H
+
 class IFWL_WidgetMgrDelegate;
 class IFWL_AdapterWidgetMgr;
 class IFWL_AdapterThreadMgr;
 class IFWL_AdapterTimerMgr;
-class IFWL_AdapterCursorMgr;
-class IFWL_AdapterMonitorMgr;
-class IFWL_AdapterClipboardMgr;
 
 class IFWL_AdapterNative {
  public:
@@ -21,9 +19,6 @@
       IFWL_WidgetMgrDelegate* pDelegate) = 0;
   virtual IFWL_AdapterThreadMgr* GetThreadMgr() = 0;
   virtual IFWL_AdapterTimerMgr* GetTimerMgr() = 0;
-  virtual IFWL_AdapterCursorMgr* GetCursorMgr() = 0;
-  virtual IFWL_AdapterMonitorMgr* GetMonitorMgr() = 0;
-  virtual IFWL_AdapterClipboardMgr* GetClipboardMgr() = 0;
 };
 IFWL_AdapterNative* FWL_CreateFuelAdapterNative();
 void FWL_ReleaseFuelAdapterNative(IFWL_AdapterNative* pAdapterNative);
diff --git a/xfa/include/fwl/fwl.h b/xfa/include/fwl/fwl.h
index f0b4b15..999e9a9 100644
--- a/xfa/include/fwl/fwl.h
+++ b/xfa/include/fwl/fwl.h
@@ -71,8 +71,5 @@
 #include "xfa/include/fwl/adapter/fwl_adapterthreadmgr.h"
 #include "xfa/include/fwl/adapter/fwl_adaptertimermgr.h"
 #include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
-#include "xfa/include/fwl/adapter/fwl_adaptercursormgr.h"
-#include "xfa/include/fwl/adapter/fwl_adaptermonitormgr.h"
-#include "xfa/include/fwl/adapter/fwl_adapterclipboardmgr.h"
 #include "xfa/include/fwl/adapter/fwl_sdadapterimp.h"
 #endif
diff --git a/xfa/src/fwl/src/basewidget/fwl_comboboximp.cpp b/xfa/src/fwl/src/basewidget/fwl_comboboximp.cpp
index 2237953..2aa072e 100644
--- a/xfa/src/fwl/src/basewidget/fwl_comboboximp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_comboboximp.cpp
@@ -1786,15 +1786,7 @@
     m_bLButtonDown = FALSE;
     pDriver->SetGrab(m_pForm, FALSE);
     m_pComboBox->ShowDropList(FALSE);
-    return;
   }
-  IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-  IFWL_AdapterCursorMgr* pCursorMgr = pNative->GetCursorMgr();
-  FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNS);
-  pCursorMgr->SetCursor(hCursor);
-  pCursorMgr->ShowCursor(TRUE);
-  m_pForm->TransformTo(NULL, pMsg->m_fx, pMsg->m_fy);
-  m_fStartPos = pMsg->m_fy;
 }
 void CFWL_ComboProxyImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   m_bLButtonDown = FALSE;
@@ -1817,41 +1809,6 @@
   }
 }
 void CFWL_ComboProxyImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
-  IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-  IFWL_AdapterCursorMgr* pCursorMgr = pNative->GetCursorMgr();
-  FWL_CURSORTYPE cursorType = FWL_CURSORTYPE_Arrow;
-  if (m_pComboBox->m_rtHandler.Contains(pMsg->m_fx, pMsg->m_fy)) {
-    cursorType = FWL_CURSORTYPE_SizeNS;
-  }
-  FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(cursorType);
-  pCursorMgr->SetCursor(hCursor);
-  pCursorMgr->ShowCursor(TRUE);
-  if (!m_bLButtonDown) {
-    return;
-  }
-  m_pForm->TransformTo(NULL, pMsg->m_fx, pMsg->m_fy);
-  FX_FLOAT fChanged = pMsg->m_fy - m_fStartPos;
-  if (m_pComboBox->m_bUpFormHandler) {
-    fChanged = m_fStartPos - pMsg->m_fy;
-  }
-  if (m_pComboBox->m_rtList.height + fChanged < m_pComboBox->m_fItemHeight) {
-    return;
-  }
-  m_pComboBox->m_rtList.height += fChanged;
-  m_pComboBox->m_rtProxy.height += fChanged;
-  if (m_pComboBox->m_bUpFormHandler) {
-    m_pComboBox->m_rtProxy.top -= fChanged;
-    m_pComboBox->m_rtHandler.Set(0, 0, m_pComboBox->m_rtList.width,
-                                 m_pComboBox->m_fComboFormHandler);
-  } else {
-    m_pComboBox->m_rtHandler.Set(0, m_pComboBox->m_rtList.height,
-                                 m_pComboBox->m_rtList.width,
-                                 m_pComboBox->m_fComboFormHandler);
-  }
-  m_pForm->SetWidgetRect(m_pComboBox->m_rtProxy);
-  m_pComboBox->m_pListBox->SetWidgetRect(m_pComboBox->m_rtList);
-  m_pComboBox->m_pListBox->Update();
-  m_fStartPos = pMsg->m_fy;
 }
 void CFWL_ComboProxyImpDelegate::OnDeactive(CFWL_MsgDeactivate* pMsg) {
   m_pComboBox->ShowDropList(FALSE);
diff --git a/xfa/src/fwl/src/basewidget/fwl_editimp.cpp b/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
index 45b94d1..f5342d0 100644
--- a/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_editimp.cpp
@@ -648,56 +648,7 @@
       (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
     return FWL_ERR_Succeeded;
   }
-  IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-  if (!pNative)
-    return FWL_ERR_Indefinite;
-  IFWL_AdapterClipboardMgr* pClipBorder = pNative->GetClipboardMgr();
-  if (!pClipBorder)
-    return FWL_ERR_Indefinite;
-  CFX_WideString wsText;
-  switch (iCmd) {
-    case 1: {
-      int32_t nStart;
-      int32_t nCount = m_pEdtEngine->GetSelRange(0, nStart);
-      if (nCount < 1) {
-        break;
-      }
-      m_pEdtEngine->GetText(wsText, nStart, nCount);
-      pClipBorder->SetStringData(wsText);
-      break;
-    }
-    case 2: {
-      int32_t nStart;
-      int32_t nCount = m_pEdtEngine->GetSelRange(0, nStart);
-      if (nCount < 1) {
-        break;
-      }
-      m_pEdtEngine->GetText(wsText, nStart, nCount);
-      m_pEdtEngine->DeleteRange(nStart, nCount);
-      m_pEdtEngine->ClearSelection();
-      pClipBorder->SetStringData(wsText);
-      break;
-    }
-    case 3: {
-      pClipBorder->GetStringData(wsText);
-      int32_t iLen = wsText.GetLength();
-      if (iLen < 0) {
-        break;
-      }
-      if (wsText[iLen] == L'\0') {
-        if (iLen == 1) {
-          break;
-        }
-        iLen--;
-        wsText = wsText.Left(iLen);
-      }
-      int32_t nPos = m_pEdtEngine->GetCaretPos();
-      m_pEdtEngine->Insert(nPos, wsText, iLen);
-      break;
-    }
-    default: {}
-  }
-  return FWL_ERR_Succeeded;
+  return FWL_ERR_Indefinite;
 }
 FX_BOOL CFWL_EditImp::Copy(CFX_WideString& wsCopy) {
   if (!m_pEdtEngine)
@@ -2205,14 +2156,4 @@
   return TRUE;
 }
 void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {
-  if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
-    IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-    IFWL_AdapterCursorMgr* pCursorMgr = pNative->GetCursorMgr();
-    if (NULL != pCursorMgr) {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_InputBeam);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-    }
-  }
 }
diff --git a/xfa/src/fwl/src/core/fwl_formimp.cpp b/xfa/src/fwl/src/core/fwl_formimp.cpp
index ae450f3..d98d9d9 100644
--- a/xfa/src/fwl/src/core/fwl_formimp.cpp
+++ b/xfa/src/fwl/src/core/fwl_formimp.cpp
@@ -648,78 +648,6 @@
   Repaint(&m_rtRelative);
 }
 void CFWL_FormImp::SetCursor(FX_FLOAT fx, FX_FLOAT fy) {
-  IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-  IFWL_AdapterCursorMgr* pCursorMgr = pNative->GetCursorMgr();
-  if (!pCursorMgr)
-    return;
-  FX_DWORD dwHitTest = HitTest(fx, fy);
-  switch (dwHitTest) {
-    case FWL_WGTHITTEST_Right: {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeWE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_Right;
-      break;
-    }
-    case FWL_WGTHITTEST_Bottom: {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNS);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_Bottom;
-      break;
-    }
-    case FWL_WGTHITTEST_Left: {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeWE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_Left;
-      break;
-    }
-    case FWL_WGTHITTEST_Top: {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNS);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_Top;
-      break;
-    }
-    case FWL_WGTHITTEST_LeftTop: {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNWSE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_LeftTop;
-      break;
-    }
-    case FWL_WGTHITTEST_LeftBottom: {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNESW);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_LeftBottom;
-      break;
-    }
-    case FWL_WGTHITTEST_RightTop: {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNESW);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_RightTop;
-      break;
-    }
-    case FWL_WGTHITTEST_RightBottom: {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNWSE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      m_eResizeType = FORM_RESIZETYPE_RightBottom;
-      break;
-    }
-    default: {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_Arrow);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-    }
-  }
 }
 void CFWL_FormImp::Layout() {
   GetRelativeRect(m_rtRelative);
@@ -1144,195 +1072,7 @@
   }
 }
 void CFWL_FormImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
-  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
   if (m_pOwner->m_bLButtonDown) {
-    IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-    IFWL_AdapterCursorMgr* pCursorMgr = pNative->GetCursorMgr();
-    if (!pCursorMgr)
-      return;
-    CFWL_SysBtn* pPressedBtn =
-        m_pOwner->GetSysBtnByIndex(m_pOwner->m_iCaptureBtn);
-    FX_FLOAT fTop, fLeft, fWidth, fHeight;
-    fTop = m_pOwner->m_pProperties->m_rtWidget.top;
-    fLeft = m_pOwner->m_pProperties->m_rtWidget.left;
-    fWidth = m_pOwner->m_pProperties->m_rtWidget.width;
-    fHeight = m_pOwner->m_pProperties->m_rtWidget.height;
-    FX_FLOAT fWidthMax, fWidthMin, fHeightMax, fHeightMin;
-    if (m_pOwner->m_pContent) {
-      m_pOwner->GetContent()->GetMaxSize(fWidthMax, fHeightMax);
-      m_pOwner->GetContent()->GetMinSize(fWidthMin, fHeightMin);
-    } else {
-      fWidthMax = fHeightMax = 1024 * 4;
-      fWidthMin = fHeightMin = 0;
-    }
-    FX_BOOL bWidthlimit = (fWidthMin != 0 || fWidthMax != 0);
-    FX_BOOL bHeightlimit = (fHeightMin != 0 || fHeightMax != 0);
-    FX_BOOL bSizelimit = bWidthlimit || bHeightlimit;
-    if (fWidthMax != 0 || fHeightMax != 0 || fWidthMin != 0 ||
-        fHeightMin != 0) {
-      bSizelimit = TRUE;
-    }
-    if (pPressedBtn) {
-      if (!pPressedBtn->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
-        pPressedBtn->SetNormal();
-      } else {
-        pPressedBtn->SetPressed();
-      }
-      m_pOwner->Repaint(&pPressedBtn->m_rtBtn);
-      return;
-    } else if (m_pOwner->m_bMaximized) {
-      return;
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_Cap) {
-      m_pOwner->m_pProperties->m_rtWidget.Offset(
-          pMsg->m_fx - m_pOwner->m_InfoStart.m_ptStart.x,
-          pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y);
-      pWidgetMgr->SetWidgetPosition_Native(
-          m_pOwner->m_pInterface, m_pOwner->m_pProperties->m_rtWidget.left,
-          m_pOwner->m_pProperties->m_rtWidget.top);
-      return;
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_Right) {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeWE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bWidthlimit) {
-        fWidth += pMsg->m_fx - m_pOwner->m_InfoStart.m_ptStart.x;
-        m_pOwner->m_InfoStart.m_ptStart.x = pMsg->m_fx;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_szStart.x -
-                                   m_pOwner->m_InfoStart.m_ptStart.x,
-                               fWidthMin, fWidthMax, FALSE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_Left) {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeWE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bWidthlimit) {
-        fLeft -= m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-        fWidth += m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_ptStart.x, fWidthMin,
-                               fWidthMax, TRUE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_Bottom) {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNS);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bHeightlimit) {
-        fHeight += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        m_pOwner->m_InfoStart.m_ptStart.y = pMsg->m_fy;
-      } else {
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_szStart.y -
-                                    m_pOwner->m_InfoStart.m_ptStart.y,
-                                fHeightMin, fHeightMax, FALSE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_Top) {
-      FWL_HCURSOR hCursor = pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNS);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bHeightlimit) {
-        fTop += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        fHeight -= pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-      } else {
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_ptStart.y, fHeightMin,
-                                fHeightMax, TRUE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_LeftTop) {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNWSE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bSizelimit) {
-        fLeft -= m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-        fTop += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        fWidth += m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-        fHeight -= pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        m_pOwner->m_InfoStart.m_ptStart.x = pMsg->m_fx;
-        m_pOwner->m_InfoStart.m_ptStart.y = pMsg->m_fy;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_ptStart.x, fWidthMin,
-                               fWidthMax, TRUE);
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_ptStart.y, fHeightMin,
-                                fHeightMax, TRUE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_LeftBottom) {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNESW);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bSizelimit) {
-        fLeft -= m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-        fWidth += m_pOwner->m_InfoStart.m_ptStart.x - pMsg->m_fx;
-        fHeight += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        m_pOwner->m_InfoStart.m_ptStart.x = pMsg->m_fx;
-        m_pOwner->m_InfoStart.m_ptStart.y = pMsg->m_fy;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_ptStart.x, fWidthMin,
-                               fWidthMax, TRUE);
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_szStart.y -
-                                    m_pOwner->m_InfoStart.m_ptStart.y,
-                                fHeightMin, fHeightMax, FALSE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_RightTop) {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNESW);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bSizelimit) {
-        fTop += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        fWidth += pMsg->m_fx - m_pOwner->m_InfoStart.m_ptStart.x;
-        fHeight -= pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        m_pOwner->m_InfoStart.m_ptStart.x = pMsg->m_fx;
-        m_pOwner->m_InfoStart.m_ptStart.y = pMsg->m_fy;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_szStart.x -
-                                   m_pOwner->m_InfoStart.m_ptStart.x,
-                               fWidthMin, fWidthMax, FALSE);
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_ptStart.y, fHeightMin,
-                                fHeightMax, TRUE);
-      }
-    } else if (m_pOwner->m_eResizeType == FORM_RESIZETYPE_RightBottom) {
-      FWL_HCURSOR hCursor =
-          pCursorMgr->GetSystemCursor(FWL_CURSORTYPE_SizeNWSE);
-      pCursorMgr->SetCursor(hCursor);
-      pCursorMgr->ShowCursor(TRUE);
-      if (!bSizelimit) {
-        fWidth += pMsg->m_fx - m_pOwner->m_InfoStart.m_ptStart.x;
-        fHeight += pMsg->m_fy - m_pOwner->m_InfoStart.m_ptStart.y;
-        m_pOwner->m_InfoStart.m_ptStart.x = pMsg->m_fx;
-        m_pOwner->m_InfoStart.m_ptStart.y = pMsg->m_fy;
-      } else {
-        m_pOwner->DoWidthLimit(fLeft, fWidth, pMsg->m_fx,
-                               m_pOwner->m_InfoStart.m_szStart.x -
-                                   m_pOwner->m_InfoStart.m_ptStart.x,
-                               fWidthMin, fWidthMax, FALSE);
-        m_pOwner->DoHeightLimit(fTop, fHeight, pMsg->m_fy,
-                                m_pOwner->m_InfoStart.m_szStart.y -
-                                    m_pOwner->m_InfoStart.m_ptStart.y,
-                                fHeightMin, fHeightMax, FALSE);
-      }
-    }
-    if (m_pOwner->m_pContent) {
-    }
-    CFX_RectF rtForm;
-    rtForm.Set(fLeft, fTop, fWidth, fHeight);
-#if (_FX_OS_ == _FX_MACOSX_)
-    m_pOwner->m_pProperties->m_rtWidget = rtForm;
-    m_pOwner->Update();
-    m_pOwner->SetWidgetRect(rtForm);
-#else
-    m_pOwner->SetWidgetRect(rtForm);
-    m_pOwner->Update();
-#endif
     return;
   }
   if ((m_pOwner->m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) &&
diff --git a/xfa/src/fwl/src/core/fwl_widgetimp.cpp b/xfa/src/fwl/src/core/fwl_widgetimp.cpp
index 3021796..beae23d 100644
--- a/xfa/src/fwl/src/core/fwl_widgetimp.cpp
+++ b/xfa/src/fwl/src/core/fwl_widgetimp.cpp
@@ -803,13 +803,7 @@
   return TRUE;
 }
 FX_BOOL CFWL_WidgetImp::GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy) {
-  IFWL_AdapterNative* pNative = FWL_GetAdapterNative();
-  IFWL_AdapterMonitorMgr* pMonitorMgr = pNative->GetMonitorMgr();
-  if (!pMonitorMgr)
-    return FALSE;
-  FWL_HMONITOR hMonitor = pMonitorMgr->GetMonitorByPoint(fx, fy);
-  pMonitorMgr->GetMonitorSize(hMonitor, fx, fy);
-  return TRUE;
+  return FALSE;
 }
 void CFWL_WidgetImp::RegisterEventTarget(IFWL_Widget* pEventSource,
                                          FX_DWORD dwFilter) {
diff --git a/xfa/src/fwl/src/core/fwl_widgetmgrimp.cpp b/xfa/src/fwl/src/core/fwl_widgetmgrimp.cpp
index 610345f..577ff07 100644
--- a/xfa/src/fwl/src/core/fwl_widgetmgrimp.cpp
+++ b/xfa/src/fwl/src/core/fwl_widgetmgrimp.cpp
@@ -33,13 +33,6 @@
   m_mapWidgetItem.SetAt(NULL, pRoot);
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
   m_rtScreen.Reset();
-  IFWL_AdapterMonitorMgr* pMonitorMgr = pAdapterNative->GetMonitorMgr();
-  if (pMonitorMgr) {
-    FWL_HMONITOR monitor = pMonitorMgr->GetCurrentMonitor();
-    if (monitor) {
-      pMonitorMgr->GetMonitorSize(monitor, m_rtScreen.width, m_rtScreen.height);
-    }
-  }
 #endif
 }
 CFWL_WidgetMgr::~CFWL_WidgetMgr() {
diff --git a/xfa/src/fxfa/src/app/xfa_ffapp.cpp b/xfa/src/fxfa/src/app/xfa_ffapp.cpp
index c9e791a..e153d95 100644
--- a/xfa/src/fxfa/src/app/xfa_ffapp.cpp
+++ b/xfa/src/fxfa/src/app/xfa_ffapp.cpp
@@ -204,12 +204,3 @@
 IFWL_AdapterTimerMgr* CXFA_FFApp::GetTimerMgr() {
   return m_pProvider->GetTimerMgr();
 }
-IFWL_AdapterCursorMgr* CXFA_FFApp::GetCursorMgr() {
-  return NULL;
-}
-IFWL_AdapterMonitorMgr* CXFA_FFApp::GetMonitorMgr() {
-  return NULL;
-}
-IFWL_AdapterClipboardMgr* CXFA_FFApp::GetClipboardMgr() {
-  return NULL;
-}
diff --git a/xfa/src/fxfa/src/app/xfa_ffapp.h b/xfa/src/fxfa/src/app/xfa_ffapp.h
index 52ad2af..515e192 100644
--- a/xfa/src/fxfa/src/app/xfa_ffapp.h
+++ b/xfa/src/fxfa/src/app/xfa_ffapp.h
@@ -45,9 +45,6 @@
       IFWL_WidgetMgrDelegate* pDelegate) override;
   IFWL_AdapterThreadMgr* GetThreadMgr() override;
   IFWL_AdapterTimerMgr* GetTimerMgr() override;
-  IFWL_AdapterCursorMgr* GetCursorMgr() override;
-  IFWL_AdapterMonitorMgr* GetMonitorMgr() override;
-  IFWL_AdapterClipboardMgr* GetClipboardMgr() override;
 
   CXFA_FontMgr* GetXFAFontMgr();
   IFX_FontMgr* GetFDEFontMgr();