diff --git a/src/lsdb.hpp b/src/lsdb.hpp
index 7ab54e5..3cf74c6 100644
--- a/src/lsdb.hpp
+++ b/src/lsdb.hpp
@@ -172,10 +172,12 @@
   void
   exprireOrRefreshNameLsa(const ndn::Name& lsaKey, uint64_t seqNo);
 
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   ndn::EventId
   scheduleAdjLsaExpiration(const ndn::Name& key, int seqNo,
                            const seconds& expTime);
 
+private:
   void
   exprireOrRefreshAdjLsa(const ndn::Name& lsaKey, uint64_t seqNo);