diff --git a/SimpleTests/SolverTests/BiCGStabDiagPrecond.cpp b/SimpleTests/SolverTests/BiCGStabDiagPrecond.cpp
index 85fb6091c8cbe1e11c0cc15a607aa3a7e3b8d348..e69b5afd1d828803e8b78ac5501b6f171dcab7c0 100644
--- a/SimpleTests/SolverTests/BiCGStabDiagPrecond.cpp
+++ b/SimpleTests/SolverTests/BiCGStabDiagPrecond.cpp
@@ -12,7 +12,6 @@
 
 #include "MathLib/LinAlg/Solvers/BiCGStab.h"
 #include "MathLib/LinAlg/Sparse/CRSMatrixDiagPrecond.h"
-#include "MathLib/sparse.h"
 #include "MathLib/vector_io.h"
 
 int main(int argc, char *argv[])
diff --git a/SimpleTests/SolverTests/ConjugateGradientDiagonalPreconditioned.cpp b/SimpleTests/SolverTests/ConjugateGradientDiagonalPreconditioned.cpp
index 70b5c7424c1cefab1e93b1a164ac7c9b831d6032..049708bc00d4d443bb9eefa579e92fb0f0d73ab5 100644
--- a/SimpleTests/SolverTests/ConjugateGradientDiagonalPreconditioned.cpp
+++ b/SimpleTests/SolverTests/ConjugateGradientDiagonalPreconditioned.cpp
@@ -10,9 +10,8 @@
 #include "BaseLib/RunTime.h"
 #include "BaseLib/CPUTime.h"
 
-#include "MathLib/LinAlg/Solvers/BiCGStab.h"
+#include "MathLib/LinAlg/Solvers/CG.h"
 #include "MathLib/LinAlg/Sparse/CRSMatrixDiagPrecond.h"
-#include "MathLib/sparse.h"
 #include "MathLib/vector_io.h"
 
 int main(int argc, char *argv[])
diff --git a/SimpleTests/SolverTests/ConjugateGradientUnpreconditioned.cpp b/SimpleTests/SolverTests/ConjugateGradientUnpreconditioned.cpp
index cdf5f32d9195956ff7a4b51eda6665df98003c30..18411789e5595db607744ef8ea0a532aa92b0a86 100644
--- a/SimpleTests/SolverTests/ConjugateGradientUnpreconditioned.cpp
+++ b/SimpleTests/SolverTests/ConjugateGradientUnpreconditioned.cpp
@@ -7,7 +7,6 @@
 
 #include "MathLib/LinAlg/Solvers/CG.h"
 #include "MathLib/LinAlg/Sparse/CRSMatrix.h"
-#include "MathLib/sparse.h"
 #include "MathLib/vector_io.h"
 
 int main(int argc, char *argv[])
diff --git a/SimpleTests/SolverTests/GMResDiagPrecond.cpp b/SimpleTests/SolverTests/GMResDiagPrecond.cpp
index cbbf87956bfb94808165d5e220b87c4906f8de18..f7f2d029d73aa6c2bafcbf9a995663277c0e7e2b 100644
--- a/SimpleTests/SolverTests/GMResDiagPrecond.cpp
+++ b/SimpleTests/SolverTests/GMResDiagPrecond.cpp
@@ -19,7 +19,6 @@
 #include "BaseLib/RunTime.h"
 #include "MathLib/LinAlg/Solvers/GMRes.h"
 #include "MathLib/LinAlg/Sparse/CRSMatrixDiagPrecond.h"
-#include "MathLib/sparse.h"
 #include "MathLib/vector_io.h"
 
 int main(int argc, char *argv[])