diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index 249602101..a127019a7 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -530,8 +530,6 @@ TrackPanel::TrackPanel(wxWindow * parent, wxWindowID id,
    //to prevent runtime memory check warnings
    mZoomStart = -1;
    mZoomEnd = -1;
-   mPrevWidth = -1;
-   mPrevHeight = -1;
 
    // This is used to snap the cursor to the nearest track that
    // lines up with it.
diff --git a/src/TrackPanel.h b/src/TrackPanel.h
index d89fb5e38..3cf8aa2b8 100644
--- a/src/TrackPanel.h
+++ b/src/TrackPanel.h
@@ -643,8 +643,6 @@ protected:
    int mTimeCount;
 
    bool mRefreshBacking;
-   int mPrevWidth;
-   int mPrevHeight;
 
    SelectedRegion mInitialSelection;
    std::vector<bool> mInitialTrackSelection;