diff --git a/include/wx/propgrid/props.h b/include/wx/propgrid/props.h
index 5517f8acd9..ae426977ed 100644
--- a/include/wx/propgrid/props.h
+++ b/include/wx/propgrid/props.h
@@ -449,7 +449,6 @@ private:
 
     // Relies on ValidateValue being called always before OnSetValue
     static int              ms_nextIndex;
-    static int              ms_prevIndex;
 };
 
 // -----------------------------------------------------------------------
diff --git a/src/propgrid/props.cpp b/src/propgrid/props.cpp
index 9014519cee..9726f49682 100644
--- a/src/propgrid/props.cpp
+++ b/src/propgrid/props.cpp
@@ -963,7 +963,6 @@ wxEnumProperty::~wxEnumProperty ()
 }
 
 int wxEnumProperty::ms_nextIndex = -2;
-int wxEnumProperty::ms_prevIndex = -1;
 
 void wxEnumProperty::OnSetValue()
 {
@@ -1118,13 +1117,11 @@ void
 wxEnumProperty::OnValidationFailure( wxVariant& WXUNUSED(pendingValue) )
 {
     // Revert index
-    m_index = ms_prevIndex;
     ResetNextIndex();
 }
 
 void wxEnumProperty::SetIndex( int index )
 {
-    ms_prevIndex = m_index;
     ms_nextIndex = -2;
     m_index = index;
 }