diff --git a/grid_map_core/include/grid_map_core/BufferRegion.hpp b/grid_map_core/include/grid_map_core/BufferRegion.hpp
index fbe2d205d..873b4b62a 100644
--- a/grid_map_core/include/grid_map_core/BufferRegion.hpp
+++ b/grid_map_core/include/grid_map_core/BufferRegion.hpp
@@ -39,6 +39,8 @@ class BufferRegion
   BufferRegion(
     const Index & startIndex, const Size & size,
     const BufferRegion::Quadrant & quadrant);
+  BufferRegion(const BufferRegion & other) = default;
+  BufferRegion & operator=(const BufferRegion & other) = default;
   virtual ~BufferRegion() = default;
 
   const Index & getStartIndex() const;
diff --git a/grid_map_core/include/grid_map_core/Polygon.hpp b/grid_map_core/include/grid_map_core/Polygon.hpp
index 9d7ad27a0..a02b1334a 100644
--- a/grid_map_core/include/grid_map_core/Polygon.hpp
+++ b/grid_map_core/include/grid_map_core/Polygon.hpp
@@ -40,6 +40,9 @@ class Polygon
    */
   explicit Polygon(std::vector<Position> vertices);
 
+  Polygon(const Polygon & other) = default;
+  Polygon & operator=(const Polygon & other) = default;
+
   /*!
    * Destructor.
    */