diff --git a/dumux/linear/CMakeLists.txt b/dumux/linear/CMakeLists.txt
index 1b5e58026f72fb9904c5bccf7c2474c5c24be20c..2219a6309a16d027200585c0216c6884afd0b4d9 100644
--- a/dumux/linear/CMakeLists.txt
+++ b/dumux/linear/CMakeLists.txt
@@ -1,7 +1,5 @@
 install(FILES
 amgbackend.hh
-amgparallelhelpers.hh
-amgtraits.hh
 istlsolverfactorybackend.hh
 linearsolverparameters.hh
 linearsolvertraits.hh
@@ -12,5 +10,4 @@ pdesolver.hh
 scotchbackend.hh
 seqsolverbackend.hh
 solver.hh
-vectorexchange.hh
 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dumux/linear)
diff --git a/dumux/linear/amgbackend.hh b/dumux/linear/amgbackend.hh
index da23a6a30759677151eaed3c53e1c9a89f9f2fd5..c5484ee55411e99412b8b629d1c2815cb6ddb557 100644
--- a/dumux/linear/amgbackend.hh
+++ b/dumux/linear/amgbackend.hh
@@ -234,29 +234,6 @@ private:
     bool firstCall_;
 };
 
-// deprecation helper -> will be removed after 3.2
-template<class GridView, class Traits>
-using ParallelAMGBackend
-= AMGBiCGSTABBackend<Traits>;
-
-} // namespace Dumux
-
-#include <dumux/common/properties.hh>
-#include <dumux/linear/linearsolvertraits.hh>
-
-namespace Dumux {
-
-/*!
- * \ingroup Linear
- * \brief A linear solver based on the ISTL AMG preconditioner
- *        and the ISTL BiCGSTAB solver.
- * \note This is an adaptor using a TypeTag
- */
-template<class TypeTag>
-using AMGBackend [[deprecated("Use AMGBiCGSTABBackend instead. Will be removed after 3.2!")]]
-= ParallelAMGBackend<typename GetPropType<TypeTag, Properties::GridGeometry>::GridView,
-                     LinearSolverTraits<GetPropType<TypeTag, Properties::GridGeometry>>>;
-
-} // namespace Dumux
+} // end namespace Dumux
 
 #endif // DUMUX_AMGBACKEND_HH
diff --git a/dumux/linear/amgparallelhelpers.hh b/dumux/linear/amgparallelhelpers.hh
deleted file mode 100644
index e1f9a65ed80b918347824676d59b2d150e5b1e5f..0000000000000000000000000000000000000000
--- a/dumux/linear/amgparallelhelpers.hh
+++ /dev/null
@@ -1,31 +0,0 @@
-// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-// vi: set et ts=4 sw=4 sts=4:
-/*****************************************************************************
- *   See the file COPYING for full copying permissions.                      *
- *                                                                           *
- *   This program is free software: you can redistribute it and/or modify    *
- *   it under the terms of the GNU General Public License as published by    *
- *   the Free Software Foundation, either version 3 of the License, or       *
- *   (at your option) any later version.                                     *
- *                                                                           *
- *   This program is distributed in the hope that it will be useful,         *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
- *   GNU General Public License for more details.                            *
- *                                                                           *
- *   You should have received a copy of the GNU General Public License       *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.   *
- *****************************************************************************/
-/*!
- * \file
- * \ingroup Linear
- * \brief Provides a helper class for nonoverlapping
- *        decomposition using the ISTL AMG.
- */
-#ifndef DUMUX_AMGPARALLELHELPERS_HH
-#define DUMUX_AMGPARALLELHELPERS_HH
-
-#include "parallelhelpers.hh"
-#warning "This header is deprecated and will be removed after release 3.2. Use linearsolver/parallelhelpers.hh"
-
-#endif // DUMUX_AMGPARALLELHELPERS_HH
diff --git a/dumux/linear/amgtraits.hh b/dumux/linear/amgtraits.hh
deleted file mode 100644
index c3ac240112ee29934456886e2858a485c7294959..0000000000000000000000000000000000000000
--- a/dumux/linear/amgtraits.hh
+++ /dev/null
@@ -1,40 +0,0 @@
-// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-// vi: set et ts=4 sw=4 sts=4:
-/*****************************************************************************
- *   See the file COPYING for full copying permissions.                      *
- *                                                                           *
- *   This program is free software: you can redistribute it and/or modify    *
- *   it under the terms of the GNU General Public License as published by    *
- *   the Free Software Foundation, either version 3 of the License, or       *
- *   (at your option) any later version.                                     *
- *                                                                           *
- *   This program is distributed in the hope that it will be useful,         *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
- *   GNU General Public License for more details.                            *
- *                                                                           *
- *   You should have received a copy of the GNU General Public License       *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.   *
- *****************************************************************************/
-/*!
- * \file
- * \ingroup Linear
- * \brief Define traits for the AMG backend.
- */
-#ifndef DUMUX_AMG_TRAITS_HH
-#define DUMUX_AMG_TRAITS_HH
-
-#warning "This header is deprecated and will be removed after release 3.2. Use linearsolver/linearsolvertraits.hh"
-
-#include "linearsolvertraits.hh"
-
-
-namespace Dumux {
-
-//! The type traits required for using the AMG backend
-template<class MType, class VType, class GridGeometry>
-using AmgTraits [[deprecated("Use LinearSolverTraits<GridGeometry> instead. AmgTraits will be removed after 3.2!")]] = LinearSolverTraits<GridGeometry>;
-
-} // end namespace Dumux
-
-#endif // DUMUX_AMG_TRAITS_HH
diff --git a/dumux/linear/solver.hh b/dumux/linear/solver.hh
index 943545c42abe841a73c228f88dc9bb4730019af3..0b20771557eac272045f6a5ab246d962c1aa0500 100644
--- a/dumux/linear/solver.hh
+++ b/dumux/linear/solver.hh
@@ -56,41 +56,9 @@ public:
         verbosity_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Verbosity", 0);
         maxIter_ = getParamFromGroup<int>(paramGroup, "LinearSolver.MaxIterations", 250);
         residReduction_ = getParamFromGroup<double>(paramGroup, "LinearSolver.ResidualReduction", 1e-13);
-
-        // for deprecation period we ask also for the "old" parameters but print a warning
-        // the "new" style parameter takes precedence
-        // TODO: Remove all this code after 3.2 and use commented code below
-        if (hasParamInGroup(paramGroup, "LinearSolver.PreconditionerRelaxation"))
-        {
-            std::cerr << "Deprecation warning: parameter LinearSolver.PreconditionerRelaxation is deprecated and will be removed after 3.2. "
-                      << "Use LinearSolver.Preconditioner.Relaxation instead (Preconditioner subgroup)." << std::endl;
-            relaxation_ = getParamFromGroup<double>(paramGroup, "LinearSolver.PreconditionerRelaxation");
-        }
-        else
-            relaxation_ = getParamFromGroup<double>(paramGroup, "LinearSolver.Preconditioner.Relaxation", 1);
-
-        if (hasParamInGroup(paramGroup, "LinearSolver.PreconditionerIterations"))
-        {
-            std::cerr << "Deprecation warning: parameter LinearSolver.PreconditionerIterations is deprecated and will be removed after 3.2. "
-                      << "Use LinearSolver.Preconditioner.Iterations instead (Preconditioner subgroup)." << std::endl;
-            precondIter_ = getParamFromGroup<int>(paramGroup, "LinearSolver.PreconditionerIterations");
-        }
-        else
-            precondIter_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Iterations", 1);
-
-        if (hasParamInGroup(paramGroup, "LinearSolver.PreconditionerVerbosity"))
-        {
-            std::cerr << "Deprecation warning: parameter LinearSolver.PreconditionerVerbosity is deprecated and will be removed after 3.2. "
-                      << "Use LinearSolver.Preconditioner.Verbosity instead (Preconditioner subgroup)." << std::endl;
-            precondVerbosity_ = getParamFromGroup<int>(paramGroup, "LinearSolver.PreconditionerVerbosity");
-        }
-        else
-            precondVerbosity_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Verbosity", 0);
-
-        // TODO: use this code instead of the above code after release 3.2
-        // relaxation_ = getParamFromGroup<double>(paramGroup, "LinearSolver.Preconditioner.Relaxation", 1);
-        // precondIter_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Iterations", 1);
-        // precondVerbosity_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Verbosity", 0);
+        relaxation_ = getParamFromGroup<double>(paramGroup, "LinearSolver.Preconditioner.Relaxation", 1);
+        precondIter_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Iterations", 1);
+        precondVerbosity_ = getParamFromGroup<int>(paramGroup, "LinearSolver.Preconditioner.Verbosity", 0);
     }
 
     /*!
diff --git a/dumux/linear/vectorexchange.hh b/dumux/linear/vectorexchange.hh
deleted file mode 100644
index dd586e7508e082981904c33b0fec487c0c2aface..0000000000000000000000000000000000000000
--- a/dumux/linear/vectorexchange.hh
+++ /dev/null
@@ -1,36 +0,0 @@
-// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-// vi: set et ts=4 sw=4 sts=4:
-/*****************************************************************************
- *   See the file COPYING for full copying permissions.                      *
- *                                                                           *
- *   This program is free software: you can redistribute it and/or modify    *
- *   it under the terms of the GNU General Public License as published by    *
- *   the Free Software Foundation, either version 3 of the License, or       *
- *   (at your option) any later version.                                     *
- *                                                                           *
- *   This program is distributed in the hope that it will be useful,         *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
- *   GNU General Public License for more details.                            *
- *                                                                           *
- *   You should have received a copy of the GNU General Public License       *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.   *
- *****************************************************************************/
-/*!
- * \file
- * \ingroup Linear
- * \brief Contains a class to exchange entries of a vector
- */
-#ifndef DUMUX_VECTOR_EXCHANGE_HH
-#define DUMUX_VECTOR_EXCHANGE_HH
-
-#warning "This header is deprecated and will be removed after release 3.2. Use parallel/vectorcommdatahandle.hh"
-
-#include <dumux/parallel/vectorcommdatahandle.hh>
-
-namespace Dumux {
-    template<class Mapper, class Vector>
-    using VectorExchange [[deprecated("Use VectorCommDataHandleEqual<Mapper, Vector, 0> instead. Will be removed after 3.2!")]] = VectorCommDataHandleEqual<Mapper, Vector, 0/*elementCodim*/>;
-} // end namespace Dumux
-
-#endif
diff --git a/test/freeflow/navierstokes/sincos/main.cc b/test/freeflow/navierstokes/sincos/main.cc
index 12f0bc9facbf1da6b6931c34b5be5ae7f1202acf..b6303edd28c438cc48b224587471e9d9800bb71b 100644
--- a/test/freeflow/navierstokes/sincos/main.cc
+++ b/test/freeflow/navierstokes/sincos/main.cc
@@ -44,6 +44,7 @@
 #include <dumux/io/grid/gridmanager_yasp.hh>
 #include <dumux/io/staggeredvtkoutputmodule.hh>
 #include <dumux/linear/seqsolverbackend.hh>
+#include <dumux/linear/linearsolvertraits.hh>
 #include <dumux/nonlinear/newtonsolver.hh>
 
 #include <dune/common/version.hh>
diff --git a/test/freeflow/shallowwater/bowl/main.cc b/test/freeflow/shallowwater/bowl/main.cc
index b5559bea76f7a2d5987ff3de02b8893dacca05bb..3099e69c6587a4b301d5c2a4f506f12eecd1656e 100644
--- a/test/freeflow/shallowwater/bowl/main.cc
+++ b/test/freeflow/shallowwater/bowl/main.cc
@@ -37,6 +37,7 @@
 #include <dumux/common/dumuxmessage.hh>
 
 #include <dumux/io/grid/gridmanager.hh>
+#include <dumux/linear/linearsolvertraits.hh>
 #include <dumux/linear/amgbackend.hh>
 #include <dumux/nonlinear/newtonsolver.hh>
 
diff --git a/test/porousmediumflow/2p/sequential/test_impesproblem.hh b/test/porousmediumflow/2p/sequential/test_impesproblem.hh
index e9c97499ae1bca2bea0383f87d6be78ccb8b2385..302ddd41f64df174fdeb0b81eac9a893459d8dcc 100644
--- a/test/porousmediumflow/2p/sequential/test_impesproblem.hh
+++ b/test/porousmediumflow/2p/sequential/test_impesproblem.hh
@@ -44,6 +44,7 @@
 #include <dumux/porousmediumflow/2p/sequential/transport/cellcentered/evalcflfluxcoats.hh>
 
 #include <dumux/linear/amgbackend.hh>
+#include <dumux/linear/linearsolvertraits.hh>
 
 namespace Dumux
 {
@@ -112,7 +113,12 @@ struct EvalCflFluxFunction<TypeTag, TTag::IMPESTest> { using type = EvalCflFluxC
 
 // use the AMG backend for the corresponding test
 template<class TypeTag>
-struct LinearSolver<TypeTag, TTag::IMPESTestWithAMG> { using type = AMGBackend<TypeTag>; };
+struct LinearSolver<TypeTag, TTag::IMPESTestWithAMG>
+{
+    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
+    using type = AMGBiCGSTABBackend<LinearSolverTraits<GridGeometry>>;
+
+};
 // Set the grid type
 template<class TypeTag>
 struct Grid<TypeTag, TTag::IMPESTestWithAMG> { using type = Dune::YaspGrid<2>; };