diff --git a/test/unit/test_domain_decomposition.cpp b/test/unit/test_domain_decomposition.cpp
index 915a346ae9..ac336616e6 100644
--- a/test/unit/test_domain_decomposition.cpp
+++ b/test/unit/test_domain_decomposition.cpp
@@ -163,6 +163,15 @@ struct dummy_context {
     cell_label_range gather_cell_label_range(const cell_label_range& local_ranges) const { throw unimplemented{__FUNCTION__}; }
     cell_labels_and_gids gather_cell_labels_and_gids(const cell_labels_and_gids& local_labels_and_gids) const { throw unimplemented{__FUNCTION__}; }
     template <typename T> std::vector<T> gather(T value, int) const { throw unimplemented{__FUNCTION__}; }
+    distributed_request send_recv_nonblocking(std::size_t dest_count,
+        void* dest_data,
+        int dest,
+        std::size_t source_count,
+        const void* source_data,
+        int source,
+        int tag) const {
+        throw unimplemented{__FUNCTION__};
+    }
 
     int id() const { return id_; }
     int size() const { return size_; }