diff --git a/opm/simulators/wells/WellState.cpp b/opm/simulators/wells/WellState.cpp
index affbd1449..fc5ea83f7 100644
--- a/opm/simulators/wells/WellState.cpp
+++ b/opm/simulators/wells/WellState.cpp
@@ -148,11 +148,6 @@ void WellState::init(const std::vector<double>& cellPressures,
     const auto& pu = this->phaseUsage();
     const int np = pu.num_phases;
 
-    int nperf = 0;
-    for (const auto& wpd : well_perf_data) {
-        nperf += wpd.size();
-    }
-
     {
         const auto& wg_events = schedule[report_step].wellgroup_events();
         for (const auto& ecl_well : wells_ecl) {
diff --git a/tests/DuneIstlTestHelpers.hpp b/tests/DuneIstlTestHelpers.hpp
index 9876a3952..4165562a4 100644
--- a/tests/DuneIstlTestHelpers.hpp
+++ b/tests/DuneIstlTestHelpers.hpp
@@ -134,12 +134,10 @@ std::shared_ptr<MyMatrix> create1DLaplacian(I& indexset, int N, int start, int e
             continue;
         }
 
-        double dval=0;
         if(row>0)
         {
             mm->colIndex[nnz]=localRow-1;
             mm->data[nnz++]=-1;
-            dval+=1;
         }
         mm->colIndex[nnz]=localRow;
         mm->data[nnz++]=2;//dval+(row<N-1);
@@ -147,7 +145,6 @@ std::shared_ptr<MyMatrix> create1DLaplacian(I& indexset, int N, int start, int e
         {
             mm->colIndex[nnz]=localRow+1;
             mm->data[nnz++]=-1;
-            dval+=1;
         }
         mm->rowStart[localRow+1]=nnz;
         indexset.add(row, LocalIndex(localRow, GridAttributes::owner, true));
diff --git a/tests/test_invert.cpp b/tests/test_invert.cpp
index 5a339968b..51f80cce5 100644
--- a/tests/test_invert.cpp
+++ b/tests/test_invert.cpp
@@ -43,7 +43,6 @@ BOOST_AUTO_TEST_CASE(Invert4x4)
 {
     typedef Dune::FieldMatrix<double, 4, 4>  BaseType;
     BaseType matrix;
-    BaseType eye;
     BaseType inverse;
 
     for (int i = 0; i < 4; ++i) {