diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index e39e754ca1aecc4971b4e228a6cf74fd8a22a575..735471e3e01bf0ff1c7347780f0fbfd24ee08cbb 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -187,25 +187,19 @@ int main(int argc, char *argv[]) {
 
     VectorType u4(finestSize);
     u4 = 0.0; // Has to be zero!
-    VectorType u5 = u4;
 
     SingletonVectorType s4_old(finestSize);
     s4_old = parset.get<double>("boundary.friction.state.initial");
-    SingletonVectorType s5_old = s4_old;
 
     VectorType u4_diff(finestSize);
     u4_diff = 0.0; // Has to be zero!
-    VectorType u5_diff = u4_diff;
 
     auto s4_new = Dune::make_shared<SingletonVectorType>(finestSize);
     *s4_new = s4_old;
-    auto s5_new = Dune::make_shared<SingletonVectorType>(finestSize);
-    *s5_new = s5_old;
 
     SingletonVectorType vonMisesStress;
 
     VectorType b4;
-    VectorType b5;
 
     auto const nodalIntegrals =
         assemble_frictional<GridType, GridView, SmallVector, P1Basis>(
@@ -306,50 +300,6 @@ int main(int argc, char *argv[]) {
       u4 += u4_diff;
       s4_old = *s4_new;
 
-      if (parset.get<bool>("benchmarks.fpi.enable")) {
-        assemble_neumann<GridType, GridView, SmallVector, P1Basis>(
-            leafView, p1Basis, neumannNodes, b5,
-            functions.get("neumannCondition"), h * run);
-        stiffnessMatrix.mmv(u5, b5);
-        for (int state_fpi = 0;
-             state_fpi < parset.get<int>("benchmarks.fpi.iterations");
-             ++state_fpi) {
-          auto myGlobalNonlinearity =
-              assemble_nonlinearity<VectorType, OperatorType>(
-                  finestSize, parset, nodalIntegrals, s5_new, h);
-          MyConvexProblemType const myConvexProblem(stiffnessMatrix,
-                                                    *myGlobalNonlinearity, b5);
-
-          MyBlockProblemType myBlockProblem(parset, myConvexProblem);
-          auto multigridStep = mySolver.getSolver();
-          multigridStep->setProblem(u5_diff, myBlockProblem);
-
-          LoopSolver<VectorType> overallSolver(
-              multigridStep, parset.get<size_t>("solver.tnnmg.maxiterations"),
-              solver_tolerance, &energyNorm, verbosity,
-              false); // absolute error
-          overallSolver.solve();
-
-          if (!parset.get<bool>("boundary.friction.state.evolve"))
-            continue;
-
-          for (size_t i = 0; i < frictionalNodes.size(); ++i) {
-            if (frictionalNodes[i][0]) {
-              double const L = parset.get<double>("boundary.friction.ruina.L");
-              double const unorm = u5_diff[i].two_norm();
-
-              (*s5_new)[i] = compute_state_update(h, unorm, L, s5_old[i]);
-            }
-          }
-        }
-      }
-
-      u5 += u5_diff;
-      s5_old = *s5_new;
-
-      if (parset.get<bool>("benchmarks.fpi.enable"))
-        std::cout << energyNorm.diff(u5, u4) / energyNorm(u5) << std::endl;
-
       // Compute von Mises stress and write everything to a file
       if (parset.get<bool>("writeVTK")) {
         // Compute von Mises stress
@@ -373,12 +323,10 @@ int main(int argc, char *argv[]) {
 
     if (parset.get<bool>("printFrictionalBoundary")) {
       // Print displacement on frictional boundary
-      boost::format const formatter("u4[%02d] = %+3e, "
-                                    "%|40t|u5[%02d] = %+3e");
+      boost::format const formatter("u4[%02d] = %+3e");
       for (size_t i = 0; i < frictionalNodes.size(); ++i)
         if (frictionalNodes[i][0])
-          std::cout << boost::format(formatter) % i % u4[i] % i % u5[i]
-                    << std::endl;
+          std::cout << boost::format(formatter) % i % u4[i] << std::endl;
     }
     Python::stop();
   }
diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 1f660220d802b281cfce4b0801cbd20dac65050c..c87dea6c39cf4b3efded4efcb608d8fdc12cfe88 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -9,10 +9,6 @@ printProgress = false
 
 writeVTK = true
 
-[benchmarks.fpi]
-enable = false
-iterations = 50
-
 [grid]
 refinements = 4