diff --git a/src/privatepgtypes.cpp b/src/privatepgtypes.cpp
index 7b49a313f42b04057e83120b568e82b5528fff20..032facfe949572624a3523c71dc9b1de9a491680 100644
--- a/src/privatepgtypes.cpp
+++ b/src/privatepgtypes.cpp
@@ -127,55 +127,4 @@ namespace PatternGeneratorJRL
     reset();
   }
 
-
-  void
-  convex_hull_t::rotate(const double & angle)
-  {
-
-      double c_a = cos(angle);
-      double s_a = sin(angle);
-
-      for( int j=0;j<X.size();j++ )
-        {
-          X[j] = ( X[j]*c_a - Y[j]*s_a );
-          Y[j] = ( X[j]*s_a + Y[j]*c_a );
-        }
-
-  }
-
-  convex_hull_s::convex_hull_s(const int & size)
-  {
-    resize(size);
-    reset();
-  }
-
-  convex_hull_s::convex_hull_s()
-  {
-
-  }
-
-  void
-  convex_hull_t::reset()
-  {
-    X.clear();
-    Y.clear();
-  }
-
-  void
-  convex_hull_t::resize(const int & size)
-    {
-      X.resize(size);
-      Y.resize(size);
-    }
-
-  void
-  convex_hull_t::set(const double * arrayX, const double * arrayY)
-    {
-      for(int i=0;i<X.size();i++)
-        {
-          X[i] = arrayX[i];
-          Y[i] = arrayY[i];
-        }
-    }
-
 }
diff --git a/src/privatepgtypes.h b/src/privatepgtypes.h
index de92018d9b79d67cef66b6e742ac9a764031373e..15cf210458beff0e65c89f2a13d2c35daf014a63 100644
--- a/src/privatepgtypes.h
+++ b/src/privatepgtypes.h
@@ -149,43 +149,12 @@ namespace PatternGeneratorJRL
   /// \brief Linear constraints
   struct linear_constraint_s
   {
-    boost_ublas::compressed_vector<double> A;
+    ublas::compressed_vector<double> A;
     double b;
   };
   typedef struct linear_constraint_s
   linear_constraint_t;
 
-  /// \brief Set of 2-dimensional point
-  struct convex_hull_s
-  {
-
-    MAL_VECTOR(X,double);
-    MAL_VECTOR(Y,double);
-
-    /// \brief Rotate the points around the origin by angle
-    ///
-    /// \param[in] angle
-    void rotate(const double & angle);
-
-    /// \brief Resize members to the desired number of points
-    ///
-    /// \param[in] size
-    void resize(const int & size);
-
-    /// \brief Set the point values
-    ///
-    /// \param[in] X
-    /// \param[in] Y
-    void set(const double * arrayX, const double * arrayY);
-
-    /// \brief Set all points to zero
-    void reset();
-
-    convex_hull_s(const int & size);
-    convex_hull_s();
-
-  };
-  typedef struct convex_hull_s convex_hull_t;
 }
 
 #endif /* _PATTERN_GENERATOR_INTERNAL_PRIVATE_H_ */