diff --git a/include/wx/propgrid/propgridiface.h b/include/wx/propgrid/propgridiface.h
index 05592dca15..75946b0792 100644
--- a/include/wx/propgrid/propgridiface.h
+++ b/include/wx/propgrid/propgridiface.h
@@ -833,16 +833,6 @@ public:
     static void SetBoolChoices( const wxString& trueChoice,
                                 const wxString& falseChoice );
 
-    /** Sets or clears flag(s) of all properties in given array.
-        @param flags
-        Property flags to set or clear.
-        @param inverse
-        Set to true if you want to clear flag instead of setting them.
-    */
-    void SetPropertiesFlag( const wxArrayPGProperty& srcArr,
-                            wxPGProperty::FlagType flags,
-                            bool inverse = false );
-
     /** Sets an attribute for this property.
         @param name
             Text identifier of attribute. See @ref propgrid_property_attributes.
diff --git a/interface/wx/propgrid/propgridiface.h b/interface/wx/propgrid/propgridiface.h
index 72e7d41f2f..e8196dad30 100644
--- a/interface/wx/propgrid/propgridiface.h
+++ b/interface/wx/propgrid/propgridiface.h
@@ -564,18 +564,6 @@ public:
     static void SetBoolChoices( const wxString& trueChoice,
                                 const wxString& falseChoice );
 
-    /**
-        Sets or clears flag(s) of all properties in given array.
-
-        @param flags
-            Property flags to set or clear.
-
-        @param inverse
-            Set to true if you want to clear flag instead of setting them.
-    */
-    void SetPropertiesFlag( const wxArrayPGProperty& srcArr, wxPGProperty::FlagType flags,
-                            bool inverse = false );
-
     /**
         Sets an attribute for this property.
 
diff --git a/src/propgrid/propgridiface.cpp b/src/propgrid/propgridiface.cpp
index 43906487ab..4a7d70d486 100644
--- a/src/propgrid/propgridiface.cpp
+++ b/src/propgrid/propgridiface.cpp
@@ -639,34 +639,6 @@ void wxPropertyGridInterface::GetPropertiesWithFlag( wxArrayPGProperty* targetAr
 
 // -----------------------------------------------------------------------
 
-void wxPropertyGridInterface::SetPropertiesFlag( const wxArrayPGProperty& srcArr,
-                                                 wxPGProperty::FlagType flags,
-                                                 bool inverse )
-{
-    unsigned int i;
-
-    for ( i=0; i<srcArr.size(); i++ )
-    {
-        wxPGProperty* property = srcArr[i];
-
-        if ( !inverse )
-            property->SetFlag(flags);
-        else
-            property->ClearFlag(flags);
-    }
-
-    // If collapsed flag or hidden was manipulated, we need to update virtual
-    // size.
-    wxPropertyGrid* pg = GetPropertyGrid();
-    if ( flags & (wxPG_PROP_COLLAPSED|wxPG_PROP_HIDDEN) )
-    {
-        GetState()->VirtualHeightChanged();
-        pg->RecalculateVirtualSize();
-    }
-}
-
-// -----------------------------------------------------------------------
-
 void wxPropertyGridInterface::SetBoolChoices( const wxString& trueChoice,
                                                  const wxString& falseChoice )
 {