3 files changed, 3 insertions, 3 deletions
diff --git a/xfa/fwl/ifwl_adaptertimermgr.h b/xfa/fwl/ifwl_adaptertimermgr.h
index 23627d9191..9f9e5ca91d 100644
--- a/xfa/fwl/ifwl_adaptertimermgr.h
+++ b/xfa/fwl/ifwl_adaptertimermgr.h
@@ -11,7 +11,7 @@
 
 class IFWL_AdapterTimerMgr {
  public:
-  virtual ~IFWL_AdapterTimerMgr() {}
+  virtual ~IFWL_AdapterTimerMgr() = default;
   virtual void Start(CFWL_Timer* pTimer,
                      uint32_t dwElapse,
                      bool bImmediately,
diff --git a/xfa/fwl/ifwl_themeprovider.h b/xfa/fwl/ifwl_themeprovider.h
index 78c3e19fe2..19967680f8 100644
--- a/xfa/fwl/ifwl_themeprovider.h
+++ b/xfa/fwl/ifwl_themeprovider.h
@@ -19,7 +19,7 @@ class CFWL_Widget;
 
 class IFWL_ThemeProvider {
  public:
-  virtual ~IFWL_ThemeProvider() {}
+  virtual ~IFWL_ThemeProvider() = default;
 
   virtual void DrawBackground(CFWL_ThemeBackground* pParams) = 0;
   virtual void DrawText(CFWL_ThemeText* pParams) = 0;
diff --git a/xfa/fwl/ifwl_widgetdelegate.h b/xfa/fwl/ifwl_widgetdelegate.h
index 09bac9ab4e..17b8933974 100644
--- a/xfa/fwl/ifwl_widgetdelegate.h
+++ b/xfa/fwl/ifwl_widgetdelegate.h
@@ -16,7 +16,7 @@ class CFX_Matrix;
 
 class IFWL_WidgetDelegate {
  public:
-  virtual ~IFWL_WidgetDelegate() {}
+  virtual ~IFWL_WidgetDelegate() = default;
 
   virtual void OnProcessMessage(CFWL_Message* pMessage) = 0;
   virtual void OnProcessEvent(CFWL_Event* pEvent) = 0;