diff --git a/src/SPIN/min_spin_oso_cg.cpp b/src/SPIN/min_spin_oso_cg.cpp
index 52bf48d228..094ae376aa 100644
--- a/src/SPIN/min_spin_oso_cg.cpp
+++ b/src/SPIN/min_spin_oso_cg.cpp
@@ -154,8 +154,6 @@ void MinSpinOSO_CG::reset_vectors()
    minimization via damped spin dynamics
 ------------------------------------------------------------------------- */
 
-// g_old g_cur p_s
-
 int MinSpinOSO_CG::iterate(int maxiter)
 {
   int nlocal = atom->nlocal;
@@ -163,6 +161,8 @@ int MinSpinOSO_CG::iterate(int maxiter)
   double fmdotfm;
   int flag, flagall;
 
+  // grow tables if nlocal increased
+
   if (nlocal_max < nlocal) {
     nlocal_max = nlocal;
     memory->grow(g_old,3*nlocal_max,"min/spin/oso/cg:g_old");
@@ -354,8 +354,8 @@ void MinSpinOSO_CG::calc_search_direction(int iter)
     //        MPI_Allreduce(&g2old,&g2old_global,1,MPI_DOUBLE,MPI_SUM,universe->uworld);
     //      }
 
-    if (fabs(g2_global) < 1.0e-40) beta = 0.0;
-    else beta = g2_global / g2old_global;
+    //if (fabs(g2_global) < 1.0e-40) beta = 0.0;
+    //else beta = g2_global / g2old_global;
     // calculate conjugate direction
     
     for (int i = 0; i < 3 * nlocal; i++) {
diff --git a/src/SPIN/neb_spin.cpp b/src/SPIN/neb_spin.cpp
index 9ab461cbe6..12d1d2a956 100644
--- a/src/SPIN/neb_spin.cpp
+++ b/src/SPIN/neb_spin.cpp
@@ -252,6 +252,8 @@ void NEBSpin::run()
   timer->init();
   timer->barrier_start();
 
+  // if(ireplica != 0 && ireplica != nreplica -1)
+
   while (update->minimize->niter < n1steps) {
     update->minimize->run(nevery);
     print_status();