diff --git a/Combinatorial_map/include/CGAL/Combinatorial_map.h b/Combinatorial_map/include/CGAL/Combinatorial_map.h
index 327e33728c7..6884e43e59a 100644
--- a/Combinatorial_map/include/CGAL/Combinatorial_map.h
+++ b/Combinatorial_map/include/CGAL/Combinatorial_map.h
@@ -245,7 +245,7 @@ namespace CGAL {
       {
         dartmap[it]=mdarts.emplace();
         init_dart(dartmap[it], amap.get_marks(it));
-        internal::Copy_dart_info_functor<CMap2, Refs>::run
+        internal::Copy_dart_info_functor<CMap2, Refs, DartInfoConverter>::run
             (amap, static_cast<Refs&>(*this), it, dartmap[it],
              dartinfoconverter);
       }
@@ -289,7 +289,7 @@ namespace CGAL {
       CGAL::cpp11::tuple<> converters;
       Default_converter_dart_info<CMap2, Refs> dartinfoconverter;
       Default_converter_cmap_0attributes_with_point<CMap2, Refs> pointconverter;
-      return copy(amap, converters, dartinfoconverter, pointconverter );
+      return copy(amap, converters, dartinfoconverter, pointconverter);
     }
 
     template <typename CMap2, typename Converters>
@@ -3571,7 +3571,8 @@ namespace CGAL {
       {
         dual[it] = amap.create_dart();
         internal::Copy_dart_info_functor<Refs, Refs>::
-          run(amap, static_cast<Refs&>(*this), it, dual[it]);
+          run(static_cast<Refs&>(amap), static_cast<Refs&>(*this),
+              it, dual[it]);
         if ( it==adart && res==amap.null_handle ) res = dual[it];
       }
 
diff --git a/Generalized_map/include/CGAL/Generalized_map.h b/Generalized_map/include/CGAL/Generalized_map.h
index d6584a2aa9e..fe329a32187 100644
--- a/Generalized_map/include/CGAL/Generalized_map.h
+++ b/Generalized_map/include/CGAL/Generalized_map.h
@@ -222,7 +222,7 @@ namespace CGAL {
       {
         dartmap[it]=mdarts.emplace();
         init_dart(dartmap[it], amap.get_marks(it));
-        internal::Copy_dart_info_functor<GMap2, Refs>::
+        internal::Copy_dart_info_functor<GMap2, Refs, DartInfoConverter>::
           run(amap, static_cast<Refs&>(*this), it, dartmap[it],
               dartinfoconverter);
       }
@@ -2744,7 +2744,8 @@ namespace CGAL {
       {
         dual[it] = amap.create_dart();
         internal::Copy_dart_info_functor<Refs, Refs>::
-          run(amap, static_cast<Refs&>(*this), it, dual[it]);
+          run(static_cast<Refs&>(amap), static_cast<Refs&>(*this),
+              it, dual[it]);
         if ( it==adart && res==amap.null_handle ) res = dual[it];
       }
 
@@ -3936,7 +3937,6 @@ namespace CGAL {
     // The path must have at least one dart.
     if (afirst==alast) return false;
     Dart_const_handle prec = null_handle;
-    Dart_const_handle od = null_handle;
 
     for (InputIterator it(afirst); it!=alast; ++it)
     {
@@ -3984,8 +3984,6 @@ namespace CGAL {
 
     bool withAlpha3 = false;
 
-    size_type treated = get_new_mark();
-
     {
       for (InputIterator it(afirst); !withAlpha3 && it!=alast; ++it)
       {