diff --git a/validator-engine/ClusterSyncer.cpp b/validator-engine/ClusterSyncer.cpp
new file mode 100644
index 000000000..e69de29bb
diff --git a/validator-engine/ClusterSyncer.hpp b/validator-engine/ClusterSyncer.hpp
new file mode 100644
index 000000000..e69de29bb
diff --git a/validator/db/celldb.cpp b/validator/db/celldb.cpp
index 86ef8c6c2..52e9a4e02 100644
--- a/validator/db/celldb.cpp
+++ b/validator/db/celldb.cpp
@@ -231,7 +231,7 @@ void CellDbIn::alarm() {
     flush_db_stats();
   }
 
-  if (migrate_after_ && migrate_after_.is_in_past()) {
+  if (migrate_after_ && migrate_after_.is_in_past() && !read_only_) {
     migrate_cells();
   }
   if (migration_stats_ && migration_stats_->end_at_.is_in_past()) {