diff --git a/fpdfsdk/fxedit/fxet_edit.cpp b/fpdfsdk/fxedit/fxet_edit.cpp
index d00b4d6..96868d0 100644
--- a/fpdfsdk/fxedit/fxet_edit.cpp
+++ b/fpdfsdk/fxedit/fxet_edit.cpp
@@ -884,7 +884,7 @@
   return Delete(true, true);
 }
 
-bool CFX_Edit::Clear() {
+bool CFX_Edit::ClearSelection() {
   return Clear(true, true);
 }
 
@@ -1736,9 +1736,10 @@
     return false;
 
   CPVT_WordRange range = m_SelState.ConvertToWordRange();
-  if (bAddUndo && m_bEnableUndo)
+  if (bAddUndo && m_bEnableUndo) {
     AddEditUndoItem(
         pdfium::MakeUnique<CFXEU_Clear>(this, range, GetSelectedText()));
+  }
 
   SelectNone();
   SetCaret(m_pVT->DeleteWords(range));
diff --git a/fpdfsdk/fxedit/fxet_edit.h b/fpdfsdk/fxedit/fxet_edit.h
index fb64e0a..bb52462 100644
--- a/fpdfsdk/fxedit/fxet_edit.h
+++ b/fpdfsdk/fxedit/fxet_edit.h
@@ -343,7 +343,7 @@
   bool InsertReturn();
   bool Backspace();
   bool Delete();
-  bool Clear();
+  bool ClearSelection();
   bool InsertText(const CFX_WideString& sText, int32_t charset);
   bool Redo();
   bool Undo();
diff --git a/fpdfsdk/pdfwindow/cpwl_combo_box.cpp b/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
index e507633..484027e 100644
--- a/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
@@ -227,9 +227,9 @@
     m_pEdit->GetSelection(nStartChar, nEndChar);
 }
 
-void CPWL_ComboBox::Clear() {
+void CPWL_ComboBox::ClearSelection() {
   if (m_pEdit)
-    m_pEdit->Clear();
+    m_pEdit->ClearSelection();
 }
 
 void CPWL_ComboBox::CreateChildWnd(const PWL_CREATEPARAM& cp) {
diff --git a/fpdfsdk/pdfwindow/cpwl_combo_box.h b/fpdfsdk/pdfwindow/cpwl_combo_box.h
index a38ffa7..12c0fe9 100644
--- a/fpdfsdk/pdfwindow/cpwl_combo_box.h
+++ b/fpdfsdk/pdfwindow/cpwl_combo_box.h
@@ -74,7 +74,7 @@
 
   void SetEditSelection(int32_t nStartChar, int32_t nEndChar);
   void GetEditSelection(int32_t& nStartChar, int32_t& nEndChar) const;
-  void Clear();
+  void ClearSelection();
   void SelectAll();
   bool IsPopup() const;
 
diff --git a/fpdfsdk/pdfwindow/cpwl_edit.cpp b/fpdfsdk/pdfwindow/cpwl_edit.cpp
index ac1cfa9..89361b5 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_edit.cpp
@@ -136,7 +136,7 @@
 void CPWL_Edit::CutText() {
   if (!CanCut())
     return;
-  m_pEdit->Clear();
+  m_pEdit->ClearSelection();
 }
 
 void CPWL_Edit::OnCreated() {
@@ -430,7 +430,7 @@
 }
 
 void CPWL_Edit::ReplaceSel(const CFX_WideString& wsText) {
-  m_pEdit->Clear();
+  m_pEdit->ClearSelection();
   m_pEdit->InsertText(wsText, FX_CHARSET_Default);
 }
 
diff --git a/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp
index 7262189..7b90579 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp
@@ -169,7 +169,7 @@
       return true;
     case FWL_VKEY_Unknown:
       if (!IsSHIFTpressed(nFlag))
-        Clear();
+        ClearSelection();
       else
         CutText();
       return true;
@@ -233,7 +233,7 @@
   if (m_pEdit->IsSelected() && word == FWL_VKEY_Back)
     word = FWL_VKEY_Unknown;
 
-  Clear();
+  ClearSelection();
 
   switch (word) {
     case FWL_VKEY_Back:
@@ -342,9 +342,9 @@
   m_pEdit->GetSelection(nStartChar, nEndChar);
 }
 
-void CPWL_EditCtrl::Clear() {
+void CPWL_EditCtrl::ClearSelection() {
   if (!IsReadOnly())
-    m_pEdit->Clear();
+    m_pEdit->ClearSelection();
 }
 
 void CPWL_EditCtrl::SelectAll() {
diff --git a/fpdfsdk/pdfwindow/cpwl_edit_ctrl.h b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.h
index 04ec6e8..fca3bd8 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit_ctrl.h
+++ b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.h
@@ -28,7 +28,7 @@
   CFX_WideString GetText() const;
   void SetSelection(int32_t nStartChar, int32_t nEndChar);
   void GetSelection(int32_t& nStartChar, int32_t& nEndChar) const;
-  void Clear();
+  void ClearSelection();
   void SelectAll();
 
   CFX_PointF GetScrollPos() const;