diff --git a/eo/src/eoPopEvalFunc.h b/eo/src/eoPopEvalFunc.h
index ce4dc5cf..a728baa8 100644
--- a/eo/src/eoPopEvalFunc.h
+++ b/eo/src/eoPopEvalFunc.h
@@ -85,31 +85,28 @@ class eoParallelPopLoopEval : public eoPopEvalFunc<EOT>
     public:
         /** Ctor: set value of embedded eoEvalFunc */
         eoParallelPopLoopEval(
-                eoEvalFunc<EOT> & _eval,
+                // Job parameters
                 eo::mpi::AssignmentAlgorithm& _assignAlgo,
                 int _masterRank,
+                // Default parameters for store
+                eoEvalFunc<EOT> & _eval,
                 int _packetSize = 1
                 ) :
-            eval(_eval),
             assignAlgo( _assignAlgo ),
             masterRank( _masterRank ),
-            packetSize( _packetSize ),
             needToDeleteStore( true )
         {
             store = new eo::mpi::ParallelEvalStore<EOT>( _eval, _masterRank, _packetSize );
         }
 
         eoParallelPopLoopEval(
-                eoEvalFunc<EOT> & _eval,
+                // Job parameters
                 eo::mpi::AssignmentAlgorithm& _assignAlgo,
-                eo::mpi::ParallelEvalStore<EOT>* _store,
                 int _masterRank,
-                int _packetSize = 1
+                eo::mpi::ParallelEvalStore<EOT>* _store
                 ) :
-            eval(_eval),
             assignAlgo( _assignAlgo ),
             masterRank( _masterRank ),
-            packetSize( _packetSize ),
             needToDeleteStore( false ),
             store( _store )
         {
@@ -131,20 +128,17 @@ class eoParallelPopLoopEval : public eoPopEvalFunc<EOT>
         }
 
         /** Do the job: simple loop over the offspring */
-        void operator()(eoPop<EOT> & _parents, eoPop<EOT> & _offspring)
+        void operator()( eoPop<EOT> & _parents, eoPop<EOT> & _offspring )
         {
             (void)_parents;
             parallelApply<EOT>(_offspring, assignAlgo, masterRank, *store);
         }
 
     private:
-        eoEvalFunc<EOT> & eval;
-
         eo::mpi::AssignmentAlgorithm & assignAlgo;
-        eo::mpi::ParallelEvalStore<EOT>* store;
         int masterRank;
-        int packetSize;
 
+        eo::mpi::ParallelEvalStore<EOT>* store;
         bool needToDeleteStore;
 };
 #endif