3 files changed, 5 insertions, 5 deletions
diff --git a/xfa/fxfa/fm2js/cxfa_fmexpression.h b/xfa/fxfa/fm2js/cxfa_fmexpression.h
index c20d76b075..37999a17b3 100644
--- a/xfa/fxfa/fm2js/cxfa_fmexpression.h
+++ b/xfa/fxfa/fm2js/cxfa_fmexpression.h
@@ -16,7 +16,7 @@ class CFX_WideTextBuf;
 
 class CXFA_FMExpression {
  public:
-  virtual ~CXFA_FMExpression() {}
+  virtual ~CXFA_FMExpression() = default;
   virtual bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) = 0;
 
  protected:
diff --git a/xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h b/xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h
index 275d7d4fcb..ae8f38e6e6 100644
--- a/xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h
+++ b/xfa/fxfa/fm2js/cxfa_fmsimpleexpression.h
@@ -25,7 +25,7 @@ class CFX_WideTextBuf;
 
 class CXFA_FMSimpleExpression {
  public:
-  virtual ~CXFA_FMSimpleExpression() {}
+  virtual ~CXFA_FMSimpleExpression() = default;
   virtual bool ToJavaScript(CFX_WideTextBuf* js, ReturnType type) = 0;
 
   XFA_FM_TOKEN GetOperatorToken() const;
diff --git a/xfa/fxfa/fxfa.h b/xfa/fxfa/fxfa.h
index 5b51067c40..0796347506 100644
--- a/xfa/fxfa/fxfa.h
+++ b/xfa/fxfa/fxfa.h
@@ -118,7 +118,7 @@ enum XFA_WIDGETTYPE {
 // Probably should be called IXFA_AppDelegate.
 class IXFA_AppProvider {
  public:
-  virtual ~IXFA_AppProvider() {}
+  virtual ~IXFA_AppProvider() = default;
 
   /**
    * Returns the language of the running host application. Such as zh_CN
@@ -221,7 +221,7 @@ class IXFA_AppProvider {
 
 class IXFA_DocEnvironment {
  public:
-  virtual ~IXFA_DocEnvironment() {}
+  virtual ~IXFA_DocEnvironment() = default;
 
   virtual void SetChangeMark(CXFA_FFDoc* hDoc) = 0;
   virtual void InvalidateRect(CXFA_FFPageView* pPageView,
@@ -277,7 +277,7 @@ class IXFA_DocEnvironment {
 
 class IXFA_WidgetIterator {
  public:
-  virtual ~IXFA_WidgetIterator() {}
+  virtual ~IXFA_WidgetIterator() = default;
 
   virtual void Reset() = 0;
   virtual CXFA_FFWidget* MoveToFirst() = 0;