diff --git a/cvpcb/cvpcb_mainframe.cpp b/cvpcb/cvpcb_mainframe.cpp
index e1324df10e..0309ae413b 100644
--- a/cvpcb/cvpcb_mainframe.cpp
+++ b/cvpcb/cvpcb_mainframe.cpp
@@ -264,8 +264,6 @@ void CVPCB_MAINFRAME::setupEventHandlers()
     Bind( wxEVT_BUTTON,
             [this]( wxCommandEvent& )
             {
-                // Throw away modifications on a Cancel
-                m_modified = false;
                 Close( false );
             }, wxID_CANCEL );