diff --git a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
index fcc342477..8b9f2aef0 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java
@@ -337,6 +337,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 		this.clock = clock;
 	}
 
+	@SuppressWarnings("unused")
 	protected void open(String driverClass, boolean reopen, SecretKey key,
 			@Nullable MigrationListener listener) throws DbException {
 		// Load the JDBC driver