diff --git a/cpp/src/c_api/neighbor_sampling.cpp b/cpp/src/c_api/neighbor_sampling.cpp
index 37982eab82..2cc9646309 100644
--- a/cpp/src/c_api/neighbor_sampling.cpp
+++ b/cpp/src/c_api/neighbor_sampling.cpp
@@ -880,7 +880,6 @@ struct neighbor_sampling_functor : public cugraph::c_api::abstract_functor {
                  handle_.get_stream());
 
       std::optional<rmm::device_uvector<label_t>> start_vertex_labels{std::nullopt};
-      std::optional<rmm::device_uvector<label_t>> local_label_to_comm_rank{std::nullopt};
       std::optional<rmm::device_uvector<label_t>> label_to_comm_rank{
         std::nullopt};  // global after allgatherv
 
@@ -932,12 +931,13 @@ struct neighbor_sampling_functor : public cugraph::c_api::abstract_functor {
             handle_.get_stream(),
             raft::device_span<label_t>{unique_labels.data(), unique_labels.size()});
 
-          (*local_label_to_comm_rank).resize(num_unique_labels, handle_.get_stream());
+          rmm::device_uvector<label_t> local_label_to_comm_rank(num_unique_labels,
+                                                                handle_.get_stream());
 
           cugraph::detail::scalar_fill(
             handle_.get_stream(),
-            (*local_label_to_comm_rank).begin(),  // This should be rename to rank
-            (*local_label_to_comm_rank).size(),
+            local_label_to_comm_rank.begin(),  // This should be rename to rank
+            local_label_to_comm_rank.size(),
             label_t{handle_.get_comms().get_rank()});
 
           // Perform allgather to get global_label_to_comm_rank_d_vector
@@ -948,11 +948,13 @@ struct neighbor_sampling_functor : public cugraph::c_api::abstract_functor {
           std::exclusive_scan(
             recvcounts.begin(), recvcounts.end(), displacements.begin(), size_t{0});
 
-          (*label_to_comm_rank)
-            .resize(displacements.back() + recvcounts.back(), handle_.get_stream());
+          rmm::device_uvector<label_t> tmp_label_to_comm_rank(
+            displacements.back() + recvcounts.back(), handle_.get_stream());
+
+          label_to_comm_rank = std::move(tmp_label_to_comm_rank);
 
           cugraph::device_allgatherv(handle_.get_comms(),
-                                     (*local_label_to_comm_rank).begin(),
+                                     local_label_to_comm_rank.begin(),
                                      (*label_to_comm_rank).begin(),
                                      recvcounts,
                                      displacements,