diff --git a/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.cpp b/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.cpp
index e69de29bb..8b9b9cf41 100644
--- a/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.cpp
+++ b/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.cpp
@@ -0,0 +1,13 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+SpectrumVRulerControls.cpp
+
+Paul Licameli split from WaveTrackVRulerControls.cpp
+
+**********************************************************************/
+
+#include "SpectrumVRulerControls.h"
+
+SpectrumVRulerControls::~SpectrumVRulerControls() = default;
diff --git a/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.h b/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.h
index e69de29bb..b3e998819 100644
--- a/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.h
+++ b/src/tracks/playabletrack/wavetrack/ui/SpectrumVRulerControls.h
@@ -0,0 +1,45 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+SpectrumVRulerControls.h
+
+Paul Licameli split from WaveTrackVRulerControls.h
+
+**********************************************************************/
+
+#ifndef __AUDACITY_SPECTRUM_VRULER_CONTROLS__
+#define __AUDACITY_SPECTRUM_VRULER_CONTROLS__
+
+#include "../../../ui/TrackVRulerControls.h" // to inherit
+
+class SpectrumVRulerControls final : public TrackVRulerControls
+{
+   SpectrumVRulerControls(const SpectrumVRulerControls&) = delete;
+   SpectrumVRulerControls &operator=(const SpectrumVRulerControls&) = delete;
+
+public:
+   explicit
+   SpectrumVRulerControls( const std::shared_ptr<TrackView> &pTrackView )
+      : TrackVRulerControls( pTrackView ) {}
+   ~SpectrumVRulerControls() override;
+
+   std::vector<UIHandlePtr> HitTest(
+      const TrackPanelMouseState &state,
+      const AudacityProject *) override;
+
+   unsigned HandleWheelRotation(
+      const TrackPanelMouseEvent &event,
+      AudacityProject *pProject) override;
+
+private:
+   // TrackPanelDrawable implementation
+   void Draw(
+      TrackPanelDrawingContext &context,
+      const wxRect &rect, unsigned iPass ) override;
+
+   // TrackVRulerControls implementation
+   void UpdateRuler( const wxRect &rect ) override;
+};
+
+#endif
diff --git a/src/tracks/playabletrack/wavetrack/ui/WaveTrackVRulerControls.cpp b/src/tracks/playabletrack/wavetrack/ui/WaveTrackVRulerControls.cpp
index 25ba9753a..493099b39 100644
--- a/src/tracks/playabletrack/wavetrack/ui/WaveTrackVRulerControls.cpp
+++ b/src/tracks/playabletrack/wavetrack/ui/WaveTrackVRulerControls.cpp
@@ -16,6 +16,9 @@ Paul Licameli split from TrackPanel.cpp
 #include "SpectrumVZoomHandle.h"
 #include "WaveformVZoomHandle.h"
 
+#include "SpectrumVRulerControls.h"
+#include "WaveformVRulerControls.h"
+
 #include "../../../../Experimental.h"
 
 #include "../../../../HitTestResult.h"
@@ -38,6 +41,20 @@ WaveTrackVRulerControls::~WaveTrackVRulerControls()
 {
 }
 
+std::vector<UIHandlePtr> SpectrumVRulerControls::HitTest(
+   const TrackPanelMouseState &st,
+   const AudacityProject *pProject)
+{
+   return {};
+}
+
+std::vector<UIHandlePtr> WaveformVRulerControls::HitTest(
+   const TrackPanelMouseState &st,
+   const AudacityProject *pProject)
+{
+   return {};
+}
+
 std::vector<UIHandlePtr> WaveTrackVRulerControls::HitTest
 (const TrackPanelMouseState &st,
  const AudacityProject *pProject)
@@ -60,6 +77,18 @@ std::vector<UIHandlePtr> WaveTrackVRulerControls::HitTest
    return results;
 }
 
+unsigned WaveformVRulerControls::HandleWheelRotation(
+   const TrackPanelMouseEvent &evt, AudacityProject *pProject)
+{
+   return 0;
+}
+
+unsigned SpectrumVRulerControls::HandleWheelRotation(
+   const TrackPanelMouseEvent &evt, AudacityProject *pProject)
+{
+   return 0;
+}
+
 unsigned WaveTrackVRulerControls::HandleWheelRotation
 (const TrackPanelMouseEvent &evt, AudacityProject *pProject)
 {
@@ -198,6 +227,18 @@ namespace {
    }
 }
 
+void WaveformVRulerControls::Draw(
+   TrackPanelDrawingContext &context,
+   const wxRect &rect_, unsigned iPass )
+{
+}
+
+void SpectrumVRulerControls::Draw(
+   TrackPanelDrawingContext &context,
+   const wxRect &rect_, unsigned iPass )
+{
+}
+
 void WaveTrackVRulerControls::Draw(
    TrackPanelDrawingContext &context,
    const wxRect &rect_, unsigned iPass )
@@ -250,6 +291,14 @@ void WaveTrackVRulerControls::Draw(
    }
 }
 
+void WaveformVRulerControls::UpdateRuler( const wxRect &rect )
+{
+}
+
+void SpectrumVRulerControls::UpdateRuler( const wxRect &rect )
+{
+}
+
 void WaveTrackVRulerControls::UpdateRuler( const wxRect &rect )
 {
    const auto wt = std::static_pointer_cast< WaveTrack >( FindTrack() );
diff --git a/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.cpp b/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.cpp
index e69de29bb..dd3bde996 100644
--- a/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.cpp
+++ b/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.cpp
@@ -0,0 +1,13 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+WaveformVRulerControls.cpp
+
+Paul Licameli split from WaveTrackVRulerControls.cpp
+
+**********************************************************************/
+
+#include "WaveformVRulerControls.h"
+
+WaveformVRulerControls::~WaveformVRulerControls() = default;
diff --git a/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.h b/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.h
index e69de29bb..0e30f88c3 100644
--- a/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.h
+++ b/src/tracks/playabletrack/wavetrack/ui/WaveformVRulerControls.h
@@ -0,0 +1,45 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+WaveformVRulerControls.h
+
+Paul Licameli split from WaveTrackVRulerControls.h
+
+**********************************************************************/
+
+#ifndef __AUDACITY_WAVEFORM_VRULER_CONTROLS__
+#define __AUDACITY_WAVEFORM_VRULER_CONTROLS__
+
+#include "../../../ui/TrackVRulerControls.h" // to inherit
+
+class WaveformVRulerControls final : public TrackVRulerControls
+{
+   WaveformVRulerControls(const WaveformVRulerControls&) = delete;
+   WaveformVRulerControls &operator=(const WaveformVRulerControls&) = delete;
+
+public:
+   explicit
+   WaveformVRulerControls( const std::shared_ptr<TrackView> &pTrackView )
+      : TrackVRulerControls( pTrackView ) {}
+   ~WaveformVRulerControls() override;
+
+   std::vector<UIHandlePtr> HitTest(
+      const TrackPanelMouseState &state,
+      const AudacityProject *) override;
+
+   unsigned HandleWheelRotation(
+      const TrackPanelMouseEvent &event,
+      AudacityProject *pProject) override;
+
+private:
+   // TrackPanelDrawable implementation
+   void Draw(
+      TrackPanelDrawingContext &context,
+      const wxRect &rect, unsigned iPass ) override;
+
+   // TrackVRulerControls implementation
+   void UpdateRuler( const wxRect &rect ) override;
+};
+
+#endif