diff --git a/MathLib/LinAlg/Sparse/Sparsity.h b/MathLib/LinAlg/Sparse/Sparsity.h
index e9a05ffecbe555a21c3de6f94a920e15dc5f8676..63d5ca099938b4c4735034e7a9535063b3315a74 100644
--- a/MathLib/LinAlg/Sparse/Sparsity.h
+++ b/MathLib/LinAlg/Sparse/Sparsity.h
@@ -24,22 +24,6 @@ namespace MathLib
  */
 typedef std::vector<std::set<std::size_t> > RowMajorSparsity;
 
-/**
- * convert a row-major sparsity to CRS data
- *
- * @tparam INTTYPE              index type
- * @param row_major_entries     Row-major sparse pattern
- * @param n_rows                The number of rows
- * @param row_ptr               Pointer to row index
- * @param col_idx               Pointer to column index
- * @param nonzero               The number of non-zero entries
- * @param data                  Pointer to non-zero values
- */
-template<class INTTYPE>
-void convertRowMajorSparsityToCRS(const RowMajorSparsity &row_major_entries, std::size_t &n_rows, INTTYPE* &row_ptr, INTTYPE* &col_idx, std::size_t &nonzero, double* &data);
-
-} // end namespace MathLib
-
-#include "Sparsity.tpp"
+} //MathLib
 
 #endif // SPARSITY_H_
diff --git a/MathLib/LinAlg/Sparse/Sparsity.tpp b/MathLib/LinAlg/Sparse/Sparsity.tpp
deleted file mode 100644
index 6a41e5e611053997b4f52fc81fd694bdf0f70f47..0000000000000000000000000000000000000000
--- a/MathLib/LinAlg/Sparse/Sparsity.tpp
+++ /dev/null
@@ -1,56 +0,0 @@
-/**
- * Copyright (c) 2012, OpenGeoSys Community (http://www.opengeosys.org)
- *            Distributed under a Modified BSD License.
- *              See accompanying file LICENSE.txt or
- *              http://www.opengeosys.org/project/license
- *
- *
- * \file Sparsity.tpp
- *
- * Created on 2012-12-03 by Norihiro Watanabe
- */
-
-#ifndef SPARSITY_TPP_
-#define SPARSITY_TPP_
-
-#include <cassert>
-
-namespace MathLib 
-{
-
-template<class INTTYPE>
-void convertRowMajorSparsityToCRS(const RowMajorSparsity &row_major_entries, std::size_t &n_rows, INTTYPE* &row_ptr, INTTYPE* &col_idx, std::size_t &nonzero, double* &data)
-{
-    n_rows = row_major_entries.size();
-    assert(n_rows > 0);
-    if (n_rows==0) return;
-
-    // get the number of nonzero entries and store the locations in the nonzero
-    // vector that start a row
-    nonzero = 0;
-    row_ptr = new INTTYPE[n_rows+1];
-    for (std::size_t i=0; i<n_rows; i++) {
-        row_ptr[i] = nonzero;         // starting point of the row
-        nonzero += row_major_entries[i].size(); // entries at the i th row
-    }
-    row_ptr[n_rows] = nonzero;
-
-    // store column indexes of nonzero entries
-    col_idx = new INTTYPE[nonzero];
-    size_t cnt_entries = 0;
-    for (std::size_t i=0; i<n_rows; i++) {
-        const std::set<std::size_t> &setConnection = row_major_entries[i];
-        for (std::set<std::size_t>::iterator it=setConnection.begin(); it!=setConnection.end(); ++it) {
-            col_idx[cnt_entries++] = *it;
-        }
-    }
-
-    // allocate memory for nonzero entries
-    data = new double[nonzero];
-    for (std::size_t i=0; i<nonzero; i++)
-        data[i] = .0;
-}
-
-} // end namespace MathLib
-
-#endif // SPARSITY_TPP_