diff --git a/include/pcb_base_frame.h b/include/pcb_base_frame.h
index 5cecbc925c..bb58fa9716 100644
--- a/include/pcb_base_frame.h
+++ b/include/pcb_base_frame.h
@@ -373,8 +373,6 @@ public:
 
     void CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged ) override;
 
-    virtual void OnUpdateLayerAlpha( wxUpdateUIEvent& aEvent ) {}
-
     /**
      * Display the current grid pane on the status bar.
      */
diff --git a/pcbnew/footprint_edit_frame.cpp b/pcbnew/footprint_edit_frame.cpp
index e4d0186252..80cfbba760 100644
--- a/pcbnew/footprint_edit_frame.cpp
+++ b/pcbnew/footprint_edit_frame.cpp
@@ -901,12 +901,6 @@ void FOOTPRINT_EDIT_FRAME::OnDisplayOptionsChanged()
 }
 
 
-void FOOTPRINT_EDIT_FRAME::OnUpdateLayerAlpha( wxUpdateUIEvent & )
-{
-    m_appearancePanel->OnLayerAlphaChanged();
-}
-
-
 void FOOTPRINT_EDIT_FRAME::InstallPreferences( PAGED_DIALOG* aParent,
                                                PANEL_HOTKEYS_EDITOR* aHotkeysPanel )
 {
diff --git a/pcbnew/footprint_edit_frame.h b/pcbnew/footprint_edit_frame.h
index 112ac37c4f..16235e5c5b 100644
--- a/pcbnew/footprint_edit_frame.h
+++ b/pcbnew/footprint_edit_frame.h
@@ -248,9 +248,6 @@ public:
     ///< @copydoc PCB_BASE_FRAME::SetActiveLayer()
     void SetActiveLayer( PCB_LAYER_ID aLayer ) override;
 
-    ///< @copydoc PCB_BASE_FRAME::OnUpdateLayerAlpha()
-    void OnUpdateLayerAlpha( wxUpdateUIEvent& aEvent ) override;
-
     void OnDisplayOptionsChanged() override;
 
     ///< @copydoc EDA_DRAW_FRAME::UseGalCanvas()
diff --git a/pcbnew/pcb_base_edit_frame.cpp b/pcbnew/pcb_base_edit_frame.cpp
index 2062ab3ab4..3e914ffda8 100644
--- a/pcbnew/pcb_base_edit_frame.cpp
+++ b/pcbnew/pcb_base_edit_frame.cpp
@@ -223,6 +223,7 @@ wxString PCB_BASE_EDIT_FRAME::GetDesignRulesPath()
     return Prj().AbsolutePath( fn.GetFullName() );
 }
 
+
 void PCB_BASE_EDIT_FRAME::handleActivateEvent( wxActivateEvent& aEvent )
 {
     EDA_DRAW_FRAME::handleActivateEvent( aEvent );
@@ -231,3 +232,10 @@ void PCB_BASE_EDIT_FRAME::handleActivateEvent( wxActivateEvent& aEvent )
     if( m_appearancePanel )
         m_appearancePanel->RefreshCollapsiblePanes();
 }
+
+
+void PCB_BASE_EDIT_FRAME::OnLayerAlphaChanged()
+{
+    if( m_appearancePanel )
+        m_appearancePanel->OnLayerAlphaChanged();
+}
diff --git a/pcbnew/pcb_base_edit_frame.h b/pcbnew/pcb_base_edit_frame.h
index 2412e5b87b..b35c553682 100644
--- a/pcbnew/pcb_base_edit_frame.h
+++ b/pcbnew/pcb_base_edit_frame.h
@@ -203,6 +203,11 @@ public:
 
     APPEARANCE_CONTROLS* GetAppearancePanel() { return m_appearancePanel; }
 
+    /**
+     * Notify the frame that the layer Alpha is being changed
+     */
+    virtual void OnLayerAlphaChanged();
+
 protected:
     /**
      * Prompts a user to select global or project library tables
diff --git a/pcbnew/pcb_edit_frame.cpp b/pcbnew/pcb_edit_frame.cpp
index e25d30bbaa..752e9a221e 100644
--- a/pcbnew/pcb_edit_frame.cpp
+++ b/pcbnew/pcb_edit_frame.cpp
@@ -1136,12 +1136,6 @@ void PCB_EDIT_FRAME::OnDisplayOptionsChanged()
 }
 
 
-void PCB_EDIT_FRAME::OnUpdateLayerAlpha( wxUpdateUIEvent & )
-{
-    m_appearancePanel->OnLayerAlphaChanged();
-}
-
-
 bool PCB_EDIT_FRAME::IsElementVisible( GAL_LAYER_ID aElement ) const
 {
     return GetBoard()->IsElementVisible( aElement );
diff --git a/pcbnew/pcb_edit_frame.h b/pcbnew/pcb_edit_frame.h
index 148930f83e..944336de7d 100644
--- a/pcbnew/pcb_edit_frame.h
+++ b/pcbnew/pcb_edit_frame.h
@@ -268,11 +268,6 @@ public:
      */
     void SetActiveLayer( PCB_LAYER_ID aLayer ) override;
 
-    /**
-     * Update the UI to reflect changes to the current layer's transparency.
-     */
-    void OnUpdateLayerAlpha( wxUpdateUIEvent& aEvent ) override;
-
     void OnDisplayOptionsChanged() override;
 
     /**
diff --git a/pcbnew/tools/pcb_control.cpp b/pcbnew/tools/pcb_control.cpp
index 480f9950c7..392ae67ecd 100644
--- a/pcbnew/tools/pcb_control.cpp
+++ b/pcbnew/tools/pcb_control.cpp
@@ -361,8 +361,7 @@ int PCB_CONTROL::LayerAlphaInc( const TOOL_EVENT& aEvent )
         if( IsCopperLayer( currentLayer ) )
             view->UpdateLayerColor( ZONE_LAYER_FOR( currentLayer ) );
 
-        wxUpdateUIEvent dummy;
-        static_cast<PCB_EDIT_FRAME*>( m_frame )->OnUpdateLayerAlpha( dummy );
+        static_cast<PCB_BASE_EDIT_FRAME*>( m_frame )->OnLayerAlphaChanged();
     }
     else
         wxBell();
@@ -391,8 +390,7 @@ int PCB_CONTROL::LayerAlphaDec( const TOOL_EVENT& aEvent )
         if( IsCopperLayer( currentLayer ) )
             view->UpdateLayerColor( ZONE_LAYER_FOR( currentLayer ) );
 
-        wxUpdateUIEvent dummy;
-        static_cast<PCB_BASE_FRAME*>( m_frame )->OnUpdateLayerAlpha( dummy );
+        static_cast<PCB_BASE_EDIT_FRAME*>( m_frame )->OnLayerAlphaChanged();
     }
     else
         wxBell();