diff --git a/AMDiS/src/ProblemScal.cc b/AMDiS/src/ProblemScal.cc
index bdb97b93fd81d96059532186ceaaaf0e41f25c7c..40d8ce4d888ee1f800c3a9c16b55d312ff484c34 100644
--- a/AMDiS/src/ProblemScal.cc
+++ b/AMDiS/src/ProblemScal.cc
@@ -235,9 +235,6 @@ namespace AMDiS {
 #endif
     clock_t first = clock();    
 
-    debug::writeMatlabMatrix(*systemMatrix, "ac.dat");
-    exit(0);
-
     SolverMatrix<DOFMatrix> solverMatrix;
     solverMatrix.setMatrix(*systemMatrix);
     solver->solveSystem(solverMatrix, *solution, *rhs);