diff --git a/opm/simulators/utils/ParallelRestart.cpp b/opm/simulators/utils/ParallelRestart.cpp
index 76d086f62..0996eff3c 100644
--- a/opm/simulators/utils/ParallelRestart.cpp
+++ b/opm/simulators/utils/ParallelRestart.cpp
@@ -312,7 +312,6 @@ HANDLE_AS_POD(StandardCond)
 HANDLE_AS_POD(Tabdims)
 HANDLE_AS_POD(TimeStampUTC::YMD)
 HANDLE_AS_POD(Tuning)
-HANDLE_AS_POD(VISCREFRecord)
 HANDLE_AS_POD(WATDENTRecord)
 HANDLE_AS_POD(WellBrineProperties)
 HANDLE_AS_POD(WellFoamProperties)
@@ -444,11 +443,6 @@ std::size_t packSize(const PvtoTable& data, Dune::MPIHelper::MPICommunicator com
     return packSize(static_cast<const PvtxTable&>(data), comm);
 }
 
-std::size_t packSize(const ViscrefTable& data, Dune::MPIHelper::MPICommunicator comm)
-{
-    return packSize(static_cast<const std::vector<VISCREFRecord>&>(data), comm);
-}
-
 std::size_t packSize(const WatdentTable& data, Dune::MPIHelper::MPICommunicator comm)
 {
     return packSize(static_cast<const std::vector<WATDENTRecord>&>(data), comm);
@@ -1586,12 +1580,6 @@ void pack(const PvtoTable& data, std::vector<char>& buffer, int& position,
     pack(static_cast<const PvtxTable&>(data), buffer, position, comm);
 }
 
-void pack(const ViscrefTable& data, std::vector<char>& buffer, int& position,
-          Dune::MPIHelper::MPICommunicator comm)
-{
-    pack(static_cast<const std::vector<VISCREFRecord>&>(data), buffer, position, comm);
-}
-
 void pack(const WatdentTable& data, std::vector<char>& buffer, int& position,
           Dune::MPIHelper::MPICommunicator comm)
 {
@@ -2797,14 +2785,6 @@ void unpack(PvtoTable& data, std::vector<char>& buffer, int& position,
     unpack_pvt(data, buffer, position, comm);
 }
 
-void unpack(ViscrefTable& data, std::vector<char>& buffer, int& position,
-            Dune::MPIHelper::MPICommunicator comm)
-{
-    std::vector<VISCREFRecord> pdata;
-    unpack(pdata, buffer, position, comm);
-    data = ViscrefTable(pdata);
-}
-
 void unpack(WatdentTable& data, std::vector<char>& buffer, int& position,
             Dune::MPIHelper::MPICommunicator comm)
 {
diff --git a/opm/simulators/utils/ParallelRestart.hpp b/opm/simulators/utils/ParallelRestart.hpp
index c5657245c..35ec25bc2 100644
--- a/opm/simulators/utils/ParallelRestart.hpp
+++ b/opm/simulators/utils/ParallelRestart.hpp
@@ -103,8 +103,6 @@ class UnitSystem;
 class Valve;
 class VFPInjTable;
 class VFPProdTable;
-class VISCREFRecord;
-class ViscrefTable;
 class WATDENTRecord;
 class WatdentTable;
 class WellConnections;
@@ -510,8 +508,6 @@ ADD_PACK_PROTOTYPES(UnitSystem)
 ADD_PACK_PROTOTYPES(Valve)
 ADD_PACK_PROTOTYPES(VFPInjTable)
 ADD_PACK_PROTOTYPES(VFPProdTable)
-ADD_PACK_PROTOTYPES(VISCREFRecord)
-ADD_PACK_PROTOTYPES(ViscrefTable)
 ADD_PACK_PROTOTYPES(WATDENTRecord)
 ADD_PACK_PROTOTYPES(WatdentTable)
 ADD_PACK_PROTOTYPES(Well)
diff --git a/tests/test_ParallelRestart.cpp b/tests/test_ParallelRestart.cpp
index 2f84f5b76..0274ce1e3 100644
--- a/tests/test_ParallelRestart.cpp
+++ b/tests/test_ParallelRestart.cpp
@@ -1102,7 +1102,7 @@ BOOST_AUTO_TEST_CASE(VISCREFRecord)
 {
 #if HAVE_MPI
     Opm::VISCREFRecord val1{1.0, 2.0};
-    auto val2 = PackUnpack(val1);
+    auto val2 = PackUnpack2(val1);
     DO_CHECKS(VISCREFRecord)
 #endif
 }
@@ -1112,7 +1112,7 @@ BOOST_AUTO_TEST_CASE(ViscrefTable)
 {
 #if HAVE_MPI
     Opm::ViscrefTable val1({Opm::VISCREFRecord{1.0, 2.0}});
-    auto val2 = PackUnpack(val1);
+    auto val2 = PackUnpack2(val1);
     DO_CHECKS(ViscrefTable)
 #endif
 }