diff --git a/opm/simulators/linalg/ISTLSolverEbosFlexible.hpp b/opm/simulators/linalg/ISTLSolverEbosFlexible.hpp
index 26ab2b563..3fb61e2f2 100644
--- a/opm/simulators/linalg/ISTLSolverEbosFlexible.hpp
+++ b/opm/simulators/linalg/ISTLSolverEbosFlexible.hpp
@@ -192,7 +192,7 @@ public:
             }
             rhs_ = b;
         } else {
-            solver_->preconditioner().update(weights, prm_.get_child("preconditioner"));
+            solver_->preconditioner().update(weights);
             rhs_ = b;
         }
     }
diff --git a/opm/simulators/linalg/OwningBlockPreconditioner.hpp b/opm/simulators/linalg/OwningBlockPreconditioner.hpp
index 23f3b9bf7..7cc1a6593 100644
--- a/opm/simulators/linalg/OwningBlockPreconditioner.hpp
+++ b/opm/simulators/linalg/OwningBlockPreconditioner.hpp
@@ -63,9 +63,9 @@ public:
     }
 
     // The update() function does nothing for a wrapped preconditioner.
-    virtual void update(const X& w,const boost::property_tree::ptree& pt) override
+    virtual void update(const X& w) override
     {
-        orig_precond_.update(w, pt);
+        orig_precond_.update(w);
     }
 
 private:
diff --git a/opm/simulators/linalg/OwningTwoLevelPreconditioner.hpp b/opm/simulators/linalg/OwningTwoLevelPreconditioner.hpp
index 91cb74498..c998143bc 100644
--- a/opm/simulators/linalg/OwningTwoLevelPreconditioner.hpp
+++ b/opm/simulators/linalg/OwningTwoLevelPreconditioner.hpp
@@ -161,15 +161,9 @@ public:
         twolevel_method_.post(x);
     }
 
-    virtual void update(const VectorType& weights, const boost::property_tree::ptree& /*prm*/) override
+    virtual void update(const VectorType& weights) override
     {
-        // if(prm.get<std::string>("weight_type") == "quasiimpes"){
-        //     Opm::Amg::getQuasiImpesWeights<MatrixType, VectorType>(
-        //      linear_operator_.getmat(), prm_.get<int>("pressure_var_index"), transpose, weights_);
-        //     weights_ = prm.get<VectorType>("weights");
-        // }else{
-            weights_ = weights;
-            //}
+        weights_ = weights;
         updateImpl(comm_);
     }
 
diff --git a/opm/simulators/linalg/ParallelOverlappingILU0.hpp b/opm/simulators/linalg/ParallelOverlappingILU0.hpp
index 67e4feb0f..5a3563f29 100644
--- a/opm/simulators/linalg/ParallelOverlappingILU0.hpp
+++ b/opm/simulators/linalg/ParallelOverlappingILU0.hpp
@@ -921,7 +921,7 @@ public:
         DUNE_UNUSED_PARAMETER(x);
     }
 
-    virtual void update(const Range& = Range(), const boost::property_tree::ptree& = boost::property_tree::ptree()) override
+    virtual void update(const Range& = Range()) override
     {
         // (For older DUNE versions the communicator might be
         // invalid if redistribution in AMG happened on the coarset level.
diff --git a/opm/simulators/linalg/PreconditionerWithUpdate.hpp b/opm/simulators/linalg/PreconditionerWithUpdate.hpp
index 1bbf469b9..01975277e 100644
--- a/opm/simulators/linalg/PreconditionerWithUpdate.hpp
+++ b/opm/simulators/linalg/PreconditionerWithUpdate.hpp
@@ -31,7 +31,7 @@ template <class X, class Y>
 class PreconditionerWithUpdate : public Preconditioner<X, Y>
 {
 public:
-    virtual void update(const X& w, const boost::property_tree::ptree& pt) = 0;
+    virtual void update(const X& w) = 0;
 };
 
 template <class OriginalPreconditioner>
@@ -69,7 +69,7 @@ public:
     }
 
     // The update() function does nothing for a wrapped preconditioner.
-    virtual void update(const X& /*w*/, const boost::property_tree::ptree& /*pt*/) override
+    virtual void update(const X& /*w*/) override
     {
     }
 
diff --git a/opm/simulators/linalg/PressureSolverPolicy.hpp b/opm/simulators/linalg/PressureSolverPolicy.hpp
index dab6ff669..1073193e5 100644
--- a/opm/simulators/linalg/PressureSolverPolicy.hpp
+++ b/opm/simulators/linalg/PressureSolverPolicy.hpp
@@ -84,9 +84,8 @@ namespace Amg
 
             void updatePreconditioner()
             {
-                pt::ptree prm;
                 X w;
-                linsolver_->preconditioner().update(w, prm);
+                linsolver_->preconditioner().update(w);
             }
 
         private:
diff --git a/opm/simulators/linalg/amgcpr.hh b/opm/simulators/linalg/amgcpr.hh
index bd054fcec..16b2ca0ea 100644
--- a/opm/simulators/linalg/amgcpr.hh
+++ b/opm/simulators/linalg/amgcpr.hh
@@ -239,7 +239,7 @@ namespace Dune
       /**
        * @brief Update the coarse solver and the hierarchies.
        */
-      virtual void update(const X& w, const boost::property_tree::ptree& prm);
+      virtual void update(const X& w);
 
       virtual void update();
       /**
@@ -470,7 +470,7 @@ namespace Dune
     }
 
     template<class M, class X, class S, class PI, class A>
-    void AMGCPR<M,X,S,PI,A>::update(const X& /*w*/, const boost::property_tree::ptree& /*prm*/)
+    void AMGCPR<M,X,S,PI,A>::update(const X& /*w*/)
     {
       update();
     }