diff --git a/opm/simulators/wells/PerfData.cpp b/opm/simulators/wells/PerfData.cpp
index a1b685ab4..9bb2d55a4 100644
--- a/opm/simulators/wells/PerfData.cpp
+++ b/opm/simulators/wells/PerfData.cpp
@@ -40,5 +40,9 @@ PerfData::PerfData(std::size_t num_perf, const PhaseUsage& pu_arg):
 
 }
 
+std::size_t PerfData::size() const {
+    return this->pressure.size();
+}
+
 }
 
diff --git a/opm/simulators/wells/PerfData.hpp b/opm/simulators/wells/PerfData.hpp
index 96eb6cd55..68a5b1395 100644
--- a/opm/simulators/wells/PerfData.hpp
+++ b/opm/simulators/wells/PerfData.hpp
@@ -35,6 +35,8 @@ private:
 
 public:
     PerfData(std::size_t num_perf, const PhaseUsage& pu);
+    std::size_t size() const;
+
     std::vector<double> pressure;
     std::vector<double> rates;
     std::vector<double> phase_rates;
diff --git a/opm/simulators/wells/WellState.cpp b/opm/simulators/wells/WellState.cpp
index 06d84e5e8..5e71d77d7 100644
--- a/opm/simulators/wells/WellState.cpp
+++ b/opm/simulators/wells/WellState.cpp
@@ -46,7 +46,6 @@ void WellState::base_init(const std::vector<double>& cellPressures,
     this->perf_water_throughput_.clear();
     this->perf_water_velocity_.clear();
     this->perfphaserates_.clear();
-    this->perfrates_.clear();
     this->perfRateBrine_.clear();
     this->perfRateSolvent_.clear();
     this->perfRatePolymer_.clear();
@@ -112,7 +111,6 @@ void WellState::initSingleWell(const std::vector<double>& cellPressures,
     this->segment_state.add(well.name(), SegmentState{});
     this->perfdata.add(well.name(), PerfData{num_perf_this_well, this->phase_usage_});
     this->perfpress_.add(well.name(), std::vector<double>(num_perf_this_well, -1e100));
-    this->perfrates_.add(well.name(), std::vector<double>(num_perf_this_well, 0));
     this->perfphaserates_.add(well.name(), std::vector<double>(np*num_perf_this_well, 0));
     this->perf_skin_pressure_.add(well.name(), std::vector<double>(num_perf_this_well, 0));
     this->perf_water_velocity_.add(well.name(), std::vector<double>(num_perf_this_well, 0));
@@ -710,8 +708,8 @@ void WellState::reportConnections(data::Well& well,
     const auto& pd = this->well_perf_data_[well_index];
     const int num_perf_well = pd.size();
     well.connections.resize(num_perf_well);
-
-    const auto& perf_rates = this->perfRates(well_index);
+    const auto& perf_data = this->perfData(well_index);
+    const auto& perf_rates = perf_data.rates;
     const auto& perf_pressure = this->perfPress(well_index);
     for( int i = 0; i < num_perf_well; ++i ) {
         const auto active_index = this->well_perf_data_[well_index][i].cell_index;
diff --git a/opm/simulators/wells/WellState.hpp b/opm/simulators/wells/WellState.hpp
index f4ec1ce35..afca21e98 100644
--- a/opm/simulators/wells/WellState.hpp
+++ b/opm/simulators/wells/WellState.hpp
@@ -398,12 +398,6 @@ public:
     std::vector<double>& wellRates(std::size_t well_index) { return wellrates_[well_index]; }
     const std::vector<double>& wellRates(std::size_t well_index) const { return wellrates_[well_index]; }
 
-    /// One rate per well connection.
-    std::vector<double>& perfRates(std::size_t well_index) { return this->perfrates_[well_index]; }
-    const std::vector<double>& perfRates(std::size_t well_index) const { return this->perfrates_[well_index]; }
-    std::vector<double>& perfRates(const std::string& wname) { return this->perfrates_[wname]; }
-    const std::vector<double>& perfRates(const std::string& wname) const { return this->perfrates_[wname]; }
-
     /// One pressure per well connection.
     std::vector<double>& perfPress(std::size_t well_index) { return perfpress_[well_index]; }
     const std::vector<double>& perfPress(std::size_t well_index) const { return perfpress_[well_index]; }
@@ -447,7 +441,6 @@ private:
     WellContainer<std::vector<double>> wellrates_;
     PhaseUsage phase_usage_;
     WellContainer<PerfData> perfdata;
-    WellContainer<std::vector<double>> perfrates_;
     WellContainer<std::vector<double>> perfpress_;
 
     WellContainer<std::vector<double>> perfphaserates_;
diff --git a/tests/test_wellstate.cpp b/tests/test_wellstate.cpp
index 0a6d911b2..c132352c9 100644
--- a/tests/test_wellstate.cpp
+++ b/tests/test_wellstate.cpp
@@ -292,6 +292,7 @@ BOOST_AUTO_TEST_CASE(Pressure)
 
 
     const auto& perf_data = wstate.perfData("PROD01");
+    (void) perf_data;
 }
 
 // ---------------------------------------------------------------------