diff --git a/cajita/src/Cajita_SparseHalo.hpp b/cajita/src/Cajita_SparseHalo.hpp
index 70087e68d..0c5170d54 100644
--- a/cajita/src/Cajita_SparseHalo.hpp
+++ b/cajita/src/Cajita_SparseHalo.hpp
@@ -33,6 +33,7 @@ namespace Experimental
 // Sparse Halo exchange patterns.
 // reuse the dense node halo pattern
 //---------------------------------------------------------------------------//
+//! Sparse halo exchange pattern class.
 template <std::size_t NumSpaceDim, class EntityType>
 class SparseHaloPattern
 {
@@ -470,7 +471,6 @@ class SparseHalo
         \tparam SparseMapType sparse map type
         \tparam scalar_type scalar type (type of dx)
         \param map sparse map
-        \param dx_inv inverse of cell_size (= 1/dx)
     */
     template <class ExecSpace, class SparseMapType>
     void register_halo( SparseMapType& map )
@@ -687,7 +687,6 @@ class SparseHalo
          \tparam SparseMapType sparse map type
          \param exec_space execution space
          \param sparse_array sparse AoSoA array used to store grid data
-         \param map sparse map used to register activated sparse grid
          \param is_neighbor_counting_collected label if the neighbor has already
        been collected; if true, it means all neighbor counting information is
        up-to-date and there's no need for recollection
@@ -856,7 +855,6 @@ class SparseHalo
         \param exec_space execution space
         \param reduce_op The functor used to reduce the results
         \param sparse_array sparse AoSoA array used to store grid data
-        \param map sparse map used to register activated sparse grid
         \param is_neighbor_counting_collected label if the neighbor has already
        been collected; if true, it means all neighbor counting information is
        up-to-date and there's no need for recollection
@@ -1187,7 +1185,6 @@ class SparseHalo
         \param src_tuple source tuple
         \param dst_soa destination SoA to store copied data
         \param soa_idx tuple index inside the destination SoA
-        \param extents element member extents in all ranks
     */
     template <class ReduceOp, std::size_t N, std::size_t M, class SoAType>
     KOKKOS_FORCEINLINE_FUNCTION static std::enable_if_t<0 == M, void>