diff --git a/src/blackmisc/mathvector3dbase.cpp b/src/blackmisc/mathvector3dbase.cpp
index 98b74b0da..abff71395 100644
--- a/src/blackmisc/mathvector3dbase.cpp
+++ b/src/blackmisc/mathvector3dbase.cpp
@@ -216,36 +216,6 @@ namespace BlackMisc
             this->m_i = jsonArray.at(2).toDouble();
         }
 
-        /*
-         * To JSON
-         */
-        template <class ImplMatrix, int Rows, int Columns> QJsonObject CMatrixBase<ImplMatrix, Rows, Columns>::toJson() const
-        {
-            QJsonObject json;
-            QJsonArray jsonArray;
-            foreach(double v, this->toList())
-            {
-                jsonArray.append(QJsonValue(v));
-            }
-            json.insert("matrix", QJsonValue(jsonArray));
-            return json;
-        }
-
-        /*
-         * From Json
-         */
-        template <class ImplMatrix, int Rows, int Columns> void CMatrixBase<ImplMatrix, Rows, Columns>::convertFromJson(const QJsonObject &json)
-        {
-            QJsonArray jsonArray = json.value("matrix").toArray();
-            QList<double> list;
-            for (auto i = jsonArray.begin(); i != jsonArray.end(); ++i)
-            {
-                list.append((*i).toDouble());
-            }
-            this->fromList(list);
-        }
-
-
         // see here for the reason of thess forward instantiations
         // http://www.parashift.com/c++-faq/separate-template-class-defn-from-decl.html
         template class CVector3DBase<CVector3D>;