diff --git a/src/DGtal/geometry/volumes/distance/VoronoiMap.h b/src/DGtal/geometry/volumes/distance/VoronoiMap.h
index eadddcb67d..72aaae9c72 100644
--- a/src/DGtal/geometry/volumes/distance/VoronoiMap.h
+++ b/src/DGtal/geometry/volumes/distance/VoronoiMap.h
@@ -182,7 +182,7 @@ namespace DGtal
      * The method associates to each point satisfying the foreground predicate,
      * the closest site for which the predicate is false. This algorithm is
      * @f$ O(h.d.|domain size|)@f$ if the separable metric "hiddenBy"
-     * predicate is in @f$ O(h)$@f$.
+     * predicate is in @f$ O(h)@f$.
      *
      * @param aDomain a pointer to the (hyper-rectangular) domain on
      * which the computation is performed.
@@ -206,7 +206,7 @@ namespace DGtal
      * The method associates to each point satisfying the foreground predicate,
      * the closest site for which the predicate is false. This algorithm is
      * @f$ O(h.d.|domain size|)@f$ if the separable metric "hiddenBy"
-     * predicate is in @f$ O(h)$@f$.
+     * predicate is in @f$ O(h)@f$.
      *
      * @param aDomain a pointer to the (hyper-rectangular) domain on
      * which the computation is performed.
@@ -229,6 +229,11 @@ namespace DGtal
      */
     ~VoronoiMap();
 
+    /**
+     * Disabling default constructor.
+     */
+     VoronoiMap() = delete;
+
   public:
     // ------------------- ConstImage model ------------------------
 
@@ -289,10 +294,10 @@ namespace DGtal
 
     /** Periodicity specification along one dimensions.
      *
-     * @param n the dimension index.
+     * @param [in] n the dimension index.
      * @return \c true if the n-th dimension is periodic, \c false otherwise.
      */
-    bool isPeriodic( Dimension n ) const
+    bool isPeriodic( const Dimension n ) const
       {
         return myPeriodicitySpec[ n ];
       }
@@ -334,16 +339,6 @@ namespace DGtal
     void computeOtherStep1D (const Point &row,
                              const Dimension dim) const;
 
-    // ------------------- protected methods ------------------------
-  protected:
-
-    /**
-     * Default Constructor.
-     *
-     */
-    VoronoiMap();
-
-
     // ------------------- Private members ------------------------
   private:
 
diff --git a/src/DGtal/geometry/volumes/distance/VoronoiMap.ih b/src/DGtal/geometry/volumes/distance/VoronoiMap.ih
index b24a133eb7..825f16469f 100644
--- a/src/DGtal/geometry/volumes/distance/VoronoiMap.ih
+++ b/src/DGtal/geometry/volumes/distance/VoronoiMap.ih
@@ -85,7 +85,6 @@ DGtal::VoronoiMap<S,P, TSep, TImage>::compute( )
   myUpperBoundCopy = myDomainPtr->upperBound();
 
   //Point outside the domain
-  //myInfinity = myDomainPtr->upperBound() + Point::diagonal(1);
   for ( auto & coord : myInfinity )
     coord = DGtal::NumberTraits< typename Point::Coordinate >::max(); 
 
@@ -109,7 +108,7 @@ void
 DGtal::VoronoiMap<S,P, TSep, TImage>::computeOtherSteps ( const Dimension dim ) const
 {
 #ifdef VERBOSE
-  std::string title = "Voro dimension " +  boost::lexical_cast<std::string>( dim ) ;
+  std::string title = "VoronoiMap dimension " +  boost::lexical_cast<std::string>( dim ) ;
   trace.beginBlock ( title );
 #endif
 
@@ -170,7 +169,7 @@ DGtal::VoronoiMap<S,P,TSep, TImage>::computeOtherStep1D ( const Point &startingP
   // Extent along current dimension.
   const auto extent = myUpperBoundCopy[dim] - myLowerBoundCopy[dim] + 1;
 
-  // Sites storage.
+  // Site storage.
   std::vector<Point> Sites;
 
   // Reserve sites storage.
diff --git a/tests/geometry/volumes/distance/testVoronoiMap.cpp b/tests/geometry/volumes/distance/testVoronoiMap.cpp
index 6be492f839..012501f6f7 100644
--- a/tests/geometry/volumes/distance/testVoronoiMap.cpp
+++ b/tests/geometry/volumes/distance/testVoronoiMap.cpp
@@ -219,7 +219,7 @@ bool testCheckConcept()
  * Example of a test. To be completed.
  *
  */
-bool testVoronoiMap( std::array<bool, 2> const& periodicity = { false, false } )
+bool testVoronoiMap( std::array<bool, 2> const& periodicity = { {false, false} } )
 {
   unsigned int nbok = 0;
   unsigned int nb = 0;
@@ -296,7 +296,7 @@ bool testVoronoiMap( std::array<bool, 2> const& periodicity = { false, false } )
 template<typename Set>
 bool testVoronoiMapFromSites2D( const Set &aSet,
                                 const std::string &name,
-                                std::array<bool, 2> const& periodicity = { false, false } )
+                                std::array<bool, 2> const& periodicity = { {false, false} } )
 {
   unsigned int nbok = 0;
   unsigned int nb = 0;
@@ -679,9 +679,9 @@ int main( int argc, char** argv )
 
   bool res = testCheckConcept()
     && testVoronoiMap()
-    && testVoronoiMap( { true, false } )
-    && testVoronoiMap( { false, true } )
-    && testVoronoiMap( { true, true } )
+    && testVoronoiMap( { {true, false} } )
+    && testVoronoiMap( { {false, true} } )
+    && testVoronoiMap( { {true, true} } )
     && testSimple2D()
     && testSimpleRandom2D()
     && testSimple3D()