diff --git a/src/KOKKOS/comm_kokkos.h b/src/KOKKOS/comm_kokkos.h
index d1cb388954..c5772bafe7 100644
--- a/src/KOKKOS/comm_kokkos.h
+++ b/src/KOKKOS/comm_kokkos.h
@@ -30,8 +30,6 @@ class CommKokkos : public CommBrick {
   bool reverse_comm_classic;
   bool exchange_comm_on_host;
   bool forward_comm_on_host;
-  bool forward_pair_comm_on_host;
-  bool forward_fix_comm_on_host;
   bool reverse_comm_on_host;
 
   CommKokkos(class LAMMPS *);
diff --git a/src/KOKKOS/kokkos.cpp b/src/KOKKOS/kokkos.cpp
index 2f7f69afdc..ca5762f088 100644
--- a/src/KOKKOS/kokkos.cpp
+++ b/src/KOKKOS/kokkos.cpp
@@ -435,7 +435,7 @@ void KokkosLMP::accelerator(int narg, char **arg)
   int nmpi = 0;
   MPI_Comm_size(world,&nmpi);
 
-  // if "gpu/aware off" and "comm device", change to "comm classic"
+  // if "gpu/aware off" and "comm device", change to "comm no"
 
   if (!gpu_aware_flag && nmpi > 1) {
     if (exchange_comm_classic == 0 && exchange_comm_on_host == 0) {
diff --git a/src/KOKKOS/pair_multi_lucy_rx_kokkos.cpp b/src/KOKKOS/pair_multi_lucy_rx_kokkos.cpp
index d0c8432af0..97a6fe5699 100644
--- a/src/KOKKOS/pair_multi_lucy_rx_kokkos.cpp
+++ b/src/KOKKOS/pair_multi_lucy_rx_kokkos.cpp
@@ -514,8 +514,6 @@ void PairMultiLucyRXKokkos<DeviceType>::computeLocalDensity()
 
   // communicate and sum densities
 
-  atomKK->modified(execution_space,DPDRHO_MASK);
-
   if (newton_pair) {
     comm->reverse_comm_pair(this);
     atomKK->sync(execution_space,DPDRHO_MASK);
@@ -667,8 +665,6 @@ void PairMultiLucyRXKokkos<DeviceType>::getMixingWeights(int id, double &mixWtSi
 template<class DeviceType>
 int PairMultiLucyRXKokkos<DeviceType>::pack_forward_comm_kokkos(int n, DAT::tdual_int_2d k_sendlist, int iswap_in, DAT::tdual_xfloat_1d &buf, int /*pbc_flag*/, int * /*pbc*/)
 {
-  atomKK->sync(execution_space,DPDRHO_MASK);
-
   d_sendlist = k_sendlist.view<DeviceType>();
   iswap = iswap_in;
   v_buf = buf.view<DeviceType>();
diff --git a/src/MAKE/MACHINES/Makefile.summit_kokkos b/src/MAKE/MACHINES/Makefile.summit_kokkos
index 19af61a209..95ee7e39a8 100644
--- a/src/MAKE/MACHINES/Makefile.summit_kokkos
+++ b/src/MAKE/MACHINES/Makefile.summit_kokkos
@@ -48,7 +48,7 @@ MY_MPI_PATH = $(dir ${MY_MPI_EXE})
 
 MPI_INC =       -DMPICH_SKIP_MPICXX -DOMPI_SKIP_MPICXX=1 -I${MY_MPI_PATH}../include
 MPI_PATH = 
-MPI_LIB = -L${MY_MPI_PATH}../lib -lmpi_ibm -lopen-pal -lopen-rte -lhwloc_ompi -levent_core -levent_pthreads -levent
+MPI_LIB = -L${MY_MPI_PATH}../lib -lmpi_ibm
 
 # FFT library
 # see discussion in Section 3.5.2 of manual