diff --git a/example/doc_complex_map.cpp b/example/doc_complex_map.cpp
index 2d40086..63c90b6 100644
--- a/example/doc_complex_map.cpp
+++ b/example/doc_complex_map.cpp
@@ -44,6 +44,11 @@ class complex_data
       : id_(id), char_string_(name, void_alloc), int_vector_vector_(void_alloc)
    {}
    //Other members...
+   //<-
+   int get_id() { return id_; };
+   char_string get_char_string() { return char_string_; };
+   int_vector_vector get_int_vector_vector() { return int_vector_vector_; };
+   //->
 };
 
 //Definition of the map holding a string as key and complex_data as mapped type
diff --git a/example/doc_managed_allocation_command.cpp b/example/doc_managed_allocation_command.cpp
index c5e7fa1..e1e0cf4 100644
--- a/example/doc_managed_allocation_command.cpp
+++ b/example/doc_managed_allocation_command.cpp
@@ -88,6 +88,9 @@ int main()
    //Get free memory and compare
    managed_shared_memory::size_type free_memory_after_expansion = managed_shm.get_free_memory();
    assert(free_memory_after_expansion < free_memory_after_allocation);
+   //<-
+   (void)free_memory_after_expansion;
+   //->
 
    //Write new values
    for(std::size_t i = first_received_size; i < expanded_size; ++i)  ptr[i] = i;
@@ -109,6 +112,9 @@ int main()
    //Get free memory and compare
    managed_shared_memory::size_type free_memory_after_shrinking = managed_shm.get_free_memory();
    assert(free_memory_after_shrinking > free_memory_after_expansion);
+   //<-
+   (void)free_memory_after_shrinking;
+   //->
 
    //Deallocate the buffer
    managed_shm.deallocate(ptr);
diff --git a/test/shared_ptr_test.cpp b/test/shared_ptr_test.cpp
index b523acc..1785845 100644
--- a/test/shared_ptr_test.cpp
+++ b/test/shared_ptr_test.cpp
@@ -274,7 +274,7 @@ struct X
 {
    X(){ ++cnt;   }
    // virtual destructor deliberately omitted
-   ~X(){   --cnt;    }
+   virtual ~X(){   --cnt;    }
 
    virtual int id() const
    {  return 1;   }
@@ -287,7 +287,7 @@ struct X
 struct Y: public X
 {
    Y(){  ++cnt;   }
-   ~Y(){ --cnt;   }
+   virtual ~Y(){ --cnt;   }
 
    virtual int id() const
    {  return 2;   }