diff --git a/MathLib/LinAlg/Dense/DenseTools.cpp b/MathLib/LinAlg/Dense/DenseTools.cpp
index 32a9cf03999ea34bfb1ff3250d99f1b5ba745b7f..f9ae84c7722e40afc6bb627c883c000ecb85e467 100644
--- a/MathLib/LinAlg/Dense/DenseTools.cpp
+++ b/MathLib/LinAlg/Dense/DenseTools.cpp
@@ -16,9 +16,8 @@
 
 namespace MathLib
 {
-
-void applyKnownSolution(DenseMatrix<double> &eqsA, DenseVector<double> &eqsRHS,
-		DenseMatrixIndexType k, double val)
+void applyKnownSolution(DenseMatrix<double>& eqsA, DenseVector<double>& eqsRHS,
+                        DenseMatrix<double>::IDX_T k, double val)
 {
 	const std::size_t n_rows = eqsA.getNRows();
 	const std::size_t n_cols = eqsA.getNCols();
@@ -47,10 +46,10 @@ void applyKnownSolution(DenseMatrix<double> &eqsA, DenseVector<double> &eqsRHS,
 	eqsRHS[k] = val;
 }
 
-void applyKnownSolution(DenseMatrix<double> &A, DenseVector<double> &b,
-	DenseVector<double> &/*x*/,
-	const std::vector<DenseMatrixIndexType> &vec_knownX_id,
-	const std::vector<double> &vec_knownX_x)
+void applyKnownSolution(
+    DenseMatrix<double>& A, DenseVector<double>& b, DenseVector<double>& /*x*/,
+    const std::vector<DenseMatrix<double>::IDX_T>& vec_knownX_id,
+    const std::vector<double>& vec_knownX_x)
 {
 	const std::size_t n_bc = vec_knownX_id.size();
 	for (std::size_t i_bc = 0; i_bc < n_bc; i_bc++)
diff --git a/MathLib/LinAlg/Dense/DenseTools.h b/MathLib/LinAlg/Dense/DenseTools.h
index 97bbdad888685f5aab0e8410e1a3d727aa6287ce..826e8e510bfbab02a75a3414d4f923cb4c2a30cb 100644
--- a/MathLib/LinAlg/Dense/DenseTools.h
+++ b/MathLib/LinAlg/Dense/DenseTools.h
@@ -21,7 +21,6 @@
 
 namespace MathLib
 {
-typedef DenseMatrix<double>::IDX_T DenseMatrixIndexType;
 /**
  * Apply known solutions to a system of linear equations.
  *
@@ -33,10 +32,10 @@ typedef DenseMatrix<double>::IDX_T DenseMatrixIndexType;
  * @param vec_knownX_id    a vector of known solution entry IDs
  * @param vec_knownX_x     a vector of known solutions
  */
-void applyKnownSolution(DenseMatrix<double> &A, DenseVector<double> &b,
-		DenseVector<double> &/*x*/,
-		const std::vector<DenseMatrixIndexType> &vec_knownX_id,
-		const std::vector<double> &vec_knownX_x);
+void applyKnownSolution(
+    DenseMatrix<double>& A, DenseVector<double>& b, DenseVector<double>& /*x*/,
+    const std::vector<DenseMatrix<double>::IDX_T>& vec_knownX_id,
+    const std::vector<double>& vec_knownX_x);
 
 /**
  * Apply known solutions to a system of linear equations \f$A x = b\f$.
@@ -52,8 +51,8 @@ void applyKnownSolution(DenseMatrix<double> &A, DenseVector<double> &b,
  * @param row_id    a known solution entry ID
  * @param val       a known solution
  */
-void applyKnownSolution(DenseMatrix<double> &A, DenseVector<double> &b,
-		DenseMatrixIndexType row_id, double val);
+void applyKnownSolution(DenseMatrix<double>& A, DenseVector<double>& b,
+                        DenseMatrix<double>::IDX_T row_id, double val);
 
 } // MathLib