diff --git a/nano/node/bounded_backlog.cpp b/nano/node/bounded_backlog.cpp
index ce2f6dc153..e13ec6a09b 100644
--- a/nano/node/bounded_backlog.cpp
+++ b/nano/node/bounded_backlog.cpp
@@ -142,11 +142,6 @@ void nano::bounded_backlog::activate (nano::secure::transaction & transaction, n
 {
 	debug_assert (conf_info.frontier != account_info.head);
 
-	auto contains = [this] (nano::block_hash const & hash) {
-		nano::lock_guard<nano::mutex> guard{ mutex };
-		return index.contains (hash);
-	};
-
 	// Insert blocks into the index starting from the account head block
 	auto block = ledger.any.block_get (transaction, account_info.head);
 	while (block)
@@ -420,6 +415,12 @@ void nano::bounded_backlog::run_scan ()
 	}
 }
 
+bool nano::bounded_backlog::contains (nano::block_hash const & hash) const
+{
+	nano::lock_guard<nano::mutex> guard{ mutex };
+	return index.contains (hash);
+}
+
 nano::container_info nano::bounded_backlog::container_info () const
 {
 	nano::lock_guard<nano::mutex> guard{ mutex };
diff --git a/nano/node/bounded_backlog.hpp b/nano/node/bounded_backlog.hpp
index b75e68377f..6f47f1705c 100644
--- a/nano/node/bounded_backlog.hpp
+++ b/nano/node/bounded_backlog.hpp
@@ -116,6 +116,7 @@ class bounded_backlog
 
 	size_t index_size () const;
 	size_t bucket_threshold () const;
+	bool contains (nano::block_hash const &) const;
 
 	nano::container_info container_info () const;