diff --git a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
index f5b3ae33..cf2f0bdf 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
@@ -9,6 +9,7 @@ import java.nio.file.Path;
 import java.util.List;
 
 
+/** @noinspection unused*/
 public interface FileManager {
 
     Path getRootDir();