diff --git a/AMDiS/libtool b/AMDiS/libtool
index 5fa952208c54f683e23d0f6c5d83d4893087593d..3b6673371f6b9a9c8f45abefeac61e4c5b70b66e 100755
--- a/AMDiS/libtool
+++ b/AMDiS/libtool
@@ -44,7 +44,7 @@ available_tags=" CXX F77"
 
 # ### BEGIN LIBTOOL CONFIG
 
-# Libtool was configured on host lenovo:
+# Libtool was configured on host NWRW15:
 
 # Shell to use when invoking shell scripts.
 SHELL="/bin/sh"
@@ -82,13 +82,13 @@ AR="ar"
 AR_FLAGS="cru"
 
 # A C compiler.
-LTCC="mpicc"
+LTCC="gcc"
 
 # LTCC compiler flags.
 LTCFLAGS="-g -O2"
 
 # A language-specific compiler.
-CC="mpicc"
+CC="gcc"
 
 # Is the compiler the GNU C compiler?
 with_gcc=yes
@@ -174,7 +174,7 @@ dlopen_self=unknown
 dlopen_self_static=unknown
 
 # Compiler flag to prevent dynamic linking.
-link_static_flag=""
+link_static_flag="-static"
 
 # Compiler flag to turn off builtin functions.
 no_builtin_flag=" -fno-builtin"
@@ -328,10 +328,10 @@ variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COM
 link_all_deplibs=unknown
 
 # Compile-time system search path for libraries
-sys_lib_search_path_spec=`echo " /usr/lib/gcc/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/../lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/ /lib/i486-linux-gnu/4.2.4/ /lib/../lib/ /usr/lib/i486-linux-gnu/4.2.4/ /usr/lib/../lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../ /lib/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../ /lib/i386-redhat-linux/4.1.2/ /lib/ /usr/lib/i386-redhat-linux/4.1.2/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Run-time system search path for libraries
-sys_lib_dlsearch_path_spec="/lib /usr/lib /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib "
 
 # Fix the shell variable $srcfile for the compiler.
 fix_srcfile_path=""
@@ -6763,7 +6763,7 @@ build_old_libs=`case $build_libtool_libs in yes) $echo no;; *) $echo yes;; esac`
 # End:
 # ### BEGIN LIBTOOL TAG CONFIG: CXX
 
-# Libtool was configured on host lenovo:
+# Libtool was configured on host NWRW15:
 
 # Shell to use when invoking shell scripts.
 SHELL="/bin/sh"
@@ -6801,13 +6801,13 @@ AR="ar"
 AR_FLAGS="cru"
 
 # A C compiler.
-LTCC="mpicc"
+LTCC="gcc"
 
 # LTCC compiler flags.
 LTCFLAGS="-g -O2"
 
 # A language-specific compiler.
-CC="mpiCC"
+CC="g++"
 
 # Is the compiler the GNU C compiler?
 with_gcc=yes
@@ -6893,7 +6893,7 @@ dlopen_self=unknown
 dlopen_self_static=unknown
 
 # Compiler flag to prevent dynamic linking.
-link_static_flag=""
+link_static_flag="-static"
 
 # Compiler flag to turn off builtin functions.
 no_builtin_flag=" -fno-builtin"
@@ -6948,11 +6948,11 @@ striplib="strip --strip-unneeded"
 
 # Dependencies to place before the objects being linked to create a
 # shared library.
-predep_objects=`echo "/usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/crti.o /usr/lib/gcc/i486-linux-gnu/4.2.4/crtbeginS.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+predep_objects=`echo "/usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crti.o /usr/lib/gcc/i386-redhat-linux/4.1.2/crtbeginS.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Dependencies to place after the objects being linked to create a
 # shared library.
-postdep_objects=`echo "/usr/lib/gcc/i486-linux-gnu/4.2.4/crtendS.o /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/crtn.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+postdep_objects=`echo "/usr/lib/gcc/i386-redhat-linux/4.1.2/crtendS.o /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crtn.o" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Dependencies to place before the objects being linked to create a
 # shared library.
@@ -6960,11 +6960,11 @@ predeps=""
 
 # Dependencies to place after the objects being linked to create a
 # shared library.
-postdeps="-lmpi_cxx -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -ldl -lstdc++ -lm -lgcc_s -lpthread -lc -lgcc_s"
+postdeps="-lstdc++ -lm -lgcc_s -lc -lgcc_s"
 
 # The library search path used internally by the compiler when linking
 # a shared library.
-compiler_lib_search_path=`echo "-L/usr/local/lib -L/usr/lib/gcc/i486-linux-gnu/4.2.4 -L/usr/lib/gcc/i486-linux-gnu/4.2.4 -L/usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/i486-linux-gnu/4.2.4/../../.." | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+compiler_lib_search_path=`echo "-L/usr/lib/gcc/i386-redhat-linux/4.1.2 -L/usr/lib/gcc/i386-redhat-linux/4.1.2 -L/usr/lib/gcc/i386-redhat-linux/4.1.2/../../.." | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Method to check whether dependent libraries are shared objects.
 deplibs_check_method="pass_all"
@@ -7044,10 +7044,10 @@ variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COM
 link_all_deplibs=unknown
 
 # Compile-time system search path for libraries
-sys_lib_search_path_spec=`echo " /usr/lib/gcc/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/../lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../i486-linux-gnu/4.2.4/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../lib/ /lib/i486-linux-gnu/4.2.4/ /lib/../lib/ /usr/lib/i486-linux-gnu/4.2.4/ /usr/lib/../lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../../i486-linux-gnu/lib/ /usr/lib/gcc/i486-linux-gnu/4.2.4/../../../ /lib/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../i386-redhat-linux/4.1.2/ /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../ /lib/i386-redhat-linux/4.1.2/ /lib/ /usr/lib/i386-redhat-linux/4.1.2/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Run-time system search path for libraries
-sys_lib_dlsearch_path_spec="/lib /usr/lib /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib "
 
 # Fix the shell variable $srcfile for the compiler.
 fix_srcfile_path=""
@@ -7071,7 +7071,7 @@ include_expsyms=""
 
 # ### BEGIN LIBTOOL TAG CONFIG: F77
 
-# Libtool was configured on host lenovo:
+# Libtool was configured on host NWRW15:
 
 # Shell to use when invoking shell scripts.
 SHELL="/bin/sh"
@@ -7109,16 +7109,16 @@ AR="ar"
 AR_FLAGS="cru"
 
 # A C compiler.
-LTCC="mpicc"
+LTCC="gcc"
 
 # LTCC compiler flags.
 LTCFLAGS="-g -O2"
 
 # A language-specific compiler.
-CC="ifc"
+CC="g77"
 
 # Is the compiler the GNU C compiler?
-with_gcc=
+with_gcc=yes
 
 gcc_dir=`gcc -print-file-name=. | /bin/sed 's,/\.$,,'`
 gcc_ver=`gcc -dumpversion`
@@ -7241,11 +7241,11 @@ old_archive_from_new_cmds=""
 old_archive_from_expsyms_cmds=""
 
 # Commands used to build and install a shared archive.
-archive_cmds="\$CC -shared -nofor_main \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
+archive_cmds="\$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
 archive_expsym_cmds="\$echo \\\"{ global:\\\" > \$output_objdir/\$libname.ver~
   cat \$export_symbols | sed -e \\\"s/\\\\(.*\\\\)/\\\\1;/\\\" >> \$output_objdir/\$libname.ver~
   \$echo \\\"local: *; };\\\" >> \$output_objdir/\$libname.ver~
-	  \$CC -shared -nofor_main \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"
+	  \$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"
 postinstall_cmds=""
 postuninstall_cmds=""
 
@@ -7355,10 +7355,10 @@ variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COM
 link_all_deplibs=unknown
 
 # Compile-time system search path for libraries
-sys_lib_search_path_spec=`echo "" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
+sys_lib_search_path_spec=`echo " /usr/lib/gcc/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../i386-redhat-linux/lib/i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../i386-redhat-linux/lib/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../i386-redhat-linux/3.4.6/ /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../ /lib/i386-redhat-linux/3.4.6/ /lib/ /usr/lib/i386-redhat-linux/3.4.6/ /usr/lib/" | $SED -e "s@${gcc_dir}@\${gcc_dir}@g;s@${gcc_ver}@\${gcc_ver}@g"`
 
 # Run-time system search path for libraries
-sys_lib_dlsearch_path_spec="/lib /usr/lib /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/octave-2.9.9 /usr/lib/qt-3.3/lib "
 
 # Fix the shell variable $srcfile for the compiler.
 fix_srcfile_path=""
diff --git a/AMDiS/src/Assembler.cc b/AMDiS/src/Assembler.cc
index 6f816dabce66b58a30692803b94ca5404b758a98..ee9efcf6067a653ac3bbe573051a251ffb7a5b76 100644
--- a/AMDiS/src/Assembler.cc
+++ b/AMDiS/src/Assembler.cc
@@ -71,7 +71,7 @@ namespace AMDiS {
     if (zeroOrderAssembler)
       zeroOrderAssembler->calculateElementMatrix(elInfo, mat);
 
-    if (rememberElMat)
+    if (rememberElMat && &userMat != &elementMatrix)
       userMat += factor * elementMatrix;
   }
 
diff --git a/AMDiS/src/ChangeLog b/AMDiS/src/ChangeLog
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/AMDiS/src/DOFMatrix.cc b/AMDiS/src/DOFMatrix.cc
index 632551fbf0a7374d78dfb4c3f857705e7946deec..bd206eb2cb75dc166e96f22d31aa26bd69e03c71 100644
--- a/AMDiS/src/DOFMatrix.cc
+++ b/AMDiS/src/DOFMatrix.cc
@@ -270,9 +270,9 @@ namespace AMDiS {
     std::vector<double*>::iterator factorIt = operatorFactor.begin();
     for (; it != operators.end(); ++it, ++factorIt) {
       if ((*it)->getNeedDualTraverse() == false) {
-	  (*it)->getElementMatrix(elInfo,
-				  elementMatrix, 
-				  *factorIt ? **factorIt : 1.0);
+	(*it)->getElementMatrix(elInfo,
+				elementMatrix, 
+				*factorIt ? **factorIt : 1.0);
       }
     }        
 
diff --git a/AMDiS/src/OEMSolver.h b/AMDiS/src/OEMSolver.h
index 8c57763a63eef46061d93209957fc2371291ce0f..a4d964ae23d62db44e2b188e00d72cc47a49138c 100644
--- a/AMDiS/src/OEMSolver.h
+++ b/AMDiS/src/OEMSolver.h
@@ -121,9 +121,24 @@ namespace AMDiS {
 		    DOFVector<double>&             x, 
 		    DOFVector<double>&             b) 
     {
-      mtl::dense_vector<value_type>   xx(x.getUsedSize(), &x[0]),
-	                              bb(b.getUsedSize(), &b[0]);
-      return solveSystem(A.getMatrix(), xx, bb);
+      mtl::dense_vector<value_type>   xx(x.getUsedSize()),
+	                              bb(b.getUsedSize());
+
+      // Copy rhs vector
+      int counter = 0;
+      DOFVector<double>::Iterator it_b(&b, USED_DOFS);
+      for (it_b.reset(); !it_b.end(); ++it_b)
+	bb[counter++] = *it_b;
+	
+      int r = solveSystem(A.getMatrix(), xx, bb);
+
+      // Copy solution vector to DOFVector
+      counter = 0;
+      DOFVector<double>::Iterator it_x(&x, USED_DOFS);
+      for (it_x.reset(); !it_x.end(); ++it_x)
+	*it_x = xx[counter++];
+
+      return r;
     }
 
     /// Solve a linear system for a vectorial problem.
@@ -150,6 +165,7 @@ namespace AMDiS {
 	  for (it.reset(); !it.end(); ++it)	
 	      *it = xx[counter++];	
       }
+
       return r;
     }
 
diff --git a/AMDiS/src/ProblemScal.cc b/AMDiS/src/ProblemScal.cc
index 841dfd6200687703b51961cb1e8bea8b2be47564..5306b30f58d1bbbcafee931b750de6db474a2cca 100644
--- a/AMDiS/src/ProblemScal.cc
+++ b/AMDiS/src/ProblemScal.cc
@@ -553,7 +553,7 @@ namespace AMDiS {
     if (num_rows(base_matrix) != 0)
       nnz_per_row= int(double(base_matrix.nnz()) / num_rows(base_matrix) * 1.2); 
     if (nnz_per_row < 5) 
-	nnz_per_row= 5;
+      nnz_per_row= 5;
 
     // Correct dimensionality of matrix
     base_matrix.change_dim(feSpace->getAdmin()->getUsedSize(), 
@@ -590,9 +590,8 @@ namespace AMDiS {
       systemMatrix->assemble(1.0, elInfo, bound);
       rhs->assemble(1.0, elInfo, bound);
       
-      if (useGetBound) {
+      if (useGetBound)
 	FREE_MEMORY(bound, BoundaryType, feSpace->getBasisFcts()->getNumber());	    
-      }
       
       if (systemMatrix->getBoundaryManager()) 
 	systemMatrix->getBoundaryManager()->fillBoundaryConditions(elInfo, systemMatrix);
diff --git a/AMDiS/src/ProblemVec.cc b/AMDiS/src/ProblemVec.cc
index e59fe7c93e123ca3883133d28f0aeeee389ac9d2..1226a8e731c893dc65da71884be55a1528f7102e 100644
--- a/AMDiS/src/ProblemVec.cc
+++ b/AMDiS/src/ProblemVec.cc
@@ -508,7 +508,6 @@ namespace AMDiS {
 		  TIME_USED(first, clock()));
 #endif
 
-
     adaptInfo->setSolverIterations(iter);
     adaptInfo->setMaxSolverIterations(solver->getMaxIterations());
     adaptInfo->setSolverTolerance(solver->getTolerance());
@@ -651,10 +650,8 @@ namespace AMDiS {
       Mesh::FILL_GRD_LAMBDA |
       Mesh::FILL_NEIGH;
 
-    if (useGetBound) {
+    if (useGetBound)
       assembleFlag |= Mesh::FILL_BOUND;
-    }
-
 
     for (int i = 0; i < nComponents; i++) {
       MSG("%d DOFs for %s\n", 
@@ -669,13 +666,15 @@ namespace AMDiS {
 
 	  int nnz_per_row= 0;
 	  if (num_rows(base_matrix) != 0)
-	      nnz_per_row= int(double(base_matrix.nnz()) / num_rows(base_matrix) * 1.2); 
+	    nnz_per_row= int(double(base_matrix.nnz()) / num_rows(base_matrix) * 1.2); 
 	  if (nnz_per_row < 5) 
-	      nnz_per_row= 5;
+	    nnz_per_row= 5;
 
 	  // Correct dimensionality of matrix
 	  base_matrix.change_dim(componentSpaces[i]->getAdmin()->getUsedSize(), 
 				 componentSpaces[j]->getAdmin()->getUsedSize());
+
+	  set_to_zero(base_matrix);
 	  
 	  // Reuse old sparsity information (if available) or default
 	  //	  dof_matrix->startInsertion(nnz_per_row);
@@ -797,14 +796,9 @@ namespace AMDiS {
 	  nnz += (*systemMatrix)[i][j]->getBaseMatrix().nnz();
 	}
 
-    //    clock_t first1 = clock();
     solverMatrix.setMatrix(*systemMatrix);
-    //    clock_t first2 = clock();
-    createPrecon();
-    //    clock_t first3 = clock();
 
-    //    std::cout << "T1 = " << TIME_USED(first1, first2) << std::endl;
-    //    std::cout << "T2 = " << TIME_USED(first2, first3) << std::endl;
+    createPrecon();
 
     INFO(info, 8)("fillin of assembled matrix: %d\n", nnz);
 
@@ -814,7 +808,7 @@ namespace AMDiS {
 #else
     INFO(info, 8)("buildAfterCoarsen needed %.5f seconds\n", 
 		  TIME_USED(first, clock()));
-#endif
+#endif     
   }
 
   void ProblemVec::createPrecon()
@@ -825,13 +819,13 @@ namespace AMDiS {
     CreatorInterface<ITL_BasePreconditioner> *preconCreator = 
       CreatorMap<ITL_BasePreconditioner>::getCreator(preconType);
 
-    solver->setLeftPrecon( preconCreator->create(solverMatrix.getMatrix()) );
+    solver->setLeftPrecon(preconCreator->create(solverMatrix.getMatrix()));
 
     preconType= "no";
     GET_PARAMETER(0, name + "->solver->right precon", &preconType);
 
     preconCreator = CreatorMap<ITL_BasePreconditioner>::getCreator(preconType);
-    solver->setRightPrecon( preconCreator->create(solverMatrix.getMatrix()) );
+    solver->setRightPrecon(preconCreator->create(solverMatrix.getMatrix()));
   }
 
 
@@ -1115,8 +1109,9 @@ namespace AMDiS {
 
       if (useGetBound)
 	FREE_MEMORY(bound, BoundaryType, basisFcts->getNumber());
-
+      
     } // pragma omp parallel
+
   }
 
   void ProblemVec::assembleOnDifMeshes(FiniteElemSpace *rowFeSpace, 
diff --git a/AMDiS/src/ProblemVec.h b/AMDiS/src/ProblemVec.h
index 03a644509e514f807b65f6f02de537532db92567..da66a0dd4dec63b916ee1e4481910103426cee7b 100644
--- a/AMDiS/src/ProblemVec.h
+++ b/AMDiS/src/ProblemVec.h
@@ -24,7 +24,6 @@
 
 #include <vector>
 #include <list>
-
 #include "AMDiS_fwd.h"
 #include "ProblemStatBase.h"
 #include "Parameters.h"
@@ -257,8 +256,6 @@ namespace AMDiS {
 				    Mesh *mesh,
 				    Flag assembleFlag);
   
-    // ===== getting-methods ======================================================
-
     /** \name getting methods
      * \{ 
      */
@@ -361,8 +358,6 @@ namespace AMDiS {
 
     /** \} */
 
-    // ===== setting-methods ======================================================
-
     /** \name setting methods
      * \{ 
      */
@@ -421,8 +416,6 @@ namespace AMDiS {
      */
     void writeResidualMesh(int comp, AdaptInfo *adaptInfo, const std::string name);
 
-    // ===== Serializable implementation =====
-  
     /// Function that implements the serialization procedure.
     virtual void serialize(std::ostream &out);
 
diff --git a/AMDiS/src/SolverMatrix.h b/AMDiS/src/SolverMatrix.h
index 91c72d93fa1566f09ebc3e7dbbb77fa528dbbf4f..8e6fef89e7e19176f84be86e73bae4ed49d9896d 100644
--- a/AMDiS/src/SolverMatrix.h
+++ b/AMDiS/src/SolverMatrix.h
@@ -22,16 +22,10 @@
 #ifndef AMDIS_SOLVERMATRIX_H
 #define AMDIS_SOLVERMATRIX_H
 
-
 #include "DOFMatrix.h"
 
-
 namespace AMDiS {
 
-  // ============================================================================
-  // ===== class SolverMatrix ===================================================
-  // ============================================================================
-
   /**
    * \brief Helper class to provide complete matrix for ITL solvers and preconditioners
    */