diff --git a/opm/simulators/wells/BlackoilWellModel_impl.hpp b/opm/simulators/wells/BlackoilWellModel_impl.hpp
index 95c432e5b..dab1ce8e4 100644
--- a/opm/simulators/wells/BlackoilWellModel_impl.hpp
+++ b/opm/simulators/wells/BlackoilWellModel_impl.hpp
@@ -1405,48 +1405,43 @@ namespace Opm {
     BlackoilWellModel<TypeTag>::
     prepareTimeStep(DeferredLogger& deferred_logger)
     {
-        OPM_BEGIN_PARALLEL_TRY_CATCH();
-        {
-            for (const auto& well : well_container_) {
-                const bool old_well_operable = well->isOperable();
-                well->checkWellOperability(ebosSimulator_, this->wellState(), deferred_logger);
+        for (const auto& well : well_container_) {
+            const bool old_well_operable = well->isOperable();
+            well->checkWellOperability(ebosSimulator_, this->wellState(), deferred_logger);
 
-                if (!well->isOperable() ) continue;
+            if (!well->isOperable() ) continue;
 
-                auto& events = this->wellState().well(well->indexOfWell()).events;
-                if (events.hasEvent(WellState::event_mask)) {
-                    well->updateWellStateWithTarget(ebosSimulator_, this->groupState(), this->wellState(), deferred_logger);
-                    // There is no new well control change input within a report step,
-                    // so next time step, the well does not consider to have effective events anymore.
-                    events.clearEvent(WellState::event_mask);
-                }
+            auto& events = this->wellState().well(well->indexOfWell()).events;
+            if (events.hasEvent(WellState::event_mask)) {
+                well->updateWellStateWithTarget(ebosSimulator_, this->groupState(), this->wellState(), deferred_logger);
+                // There is no new well control change input within a report step,
+                // so next time step, the well does not consider to have effective events anymore.
+                events.clearEvent(WellState::event_mask);
+            }
 
-                // solve the well equation initially to improve the initial solution of the well model
-                if (param_.solve_welleq_initially_) {
-                    well->solveWellEquation(ebosSimulator_, this->wellState(), this->groupState(), deferred_logger);
-                }
+            // solve the well equation initially to improve the initial solution of the well model
+            if (param_.solve_welleq_initially_) {
+                well->solveWellEquation(ebosSimulator_, this->wellState(), this->groupState(), deferred_logger);
+            }
 
-                const bool well_operable = well->isOperable();
-                if (!well_operable && old_well_operable) {
-                    const Well& well_ecl = getWellEcl(well->name());
-                    if (well_ecl.getAutomaticShutIn()) {
-                        deferred_logger.info(" well " + well->name() + " gets SHUT at the beginning of the time step ");
-                    } else {
-                        if (!well->wellIsStopped()) {
-                            deferred_logger.info(" well " + well->name() + " gets STOPPED at the beginning of the time step ");
-                            well->stopWell();
-                        }
+            const bool well_operable = well->isOperable();
+            if (!well_operable && old_well_operable) {
+                const Well& well_ecl = getWellEcl(well->name());
+                if (well_ecl.getAutomaticShutIn()) {
+                    deferred_logger.info(" well " + well->name() + " gets SHUT at the beginning of the time step ");
+                } else {
+                    if (!well->wellIsStopped()) {
+                        deferred_logger.info(" well " + well->name() + " gets STOPPED at the beginning of the time step ");
+                        well->stopWell();
                     }
-                } else if (well_operable && !old_well_operable) {
-                    deferred_logger.info(" well " + well->name() + " gets REVIVED at the beginning of the time step ");
-                    well->openWell();
                 }
+            } else if (well_operable && !old_well_operable) {
+                deferred_logger.info(" well " + well->name() + " gets REVIVED at the beginning of the time step ");
+                well->openWell();
+            }
 
-             }  // end of for (const auto& well : well_container_)
-            updatePrimaryVariables(deferred_logger);
-        }
-        OPM_END_PARALLEL_TRY_CATCH_LOG(deferred_logger, "prepareTimestep() failed: ",
-                                       terminal_output_);
+        }  // end of for (const auto& well : well_container_)
+        updatePrimaryVariables(deferred_logger);
     }