diff --git a/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
index 69c98bc1..5c4271b6 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java
@@ -2,7 +2,7 @@ package one.nem.lacerta.data.impl;
 
 import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
+
 import java.util.UUID;
 
 import javax.inject.Inject;
@@ -13,21 +13,12 @@ import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentMeta;
 import one.nem.lacerta.model.document.DocumentDetail;
 
-import one.nem.lacerta.model.document.path.DocumentPath;
-import one.nem.lacerta.model.document.tag.DocumentTag;
 import one.nem.lacerta.source.database.LacertaDatabase;
 
 import one.nem.lacerta.source.database.entity.DocumentEntity;
-import one.nem.lacerta.source.database.entity.LibraryEntity;
-import one.nem.lacerta.source.database.entity.TagEntity;
 
-import one.nem.lacerta.source.database.entity.VcsLogEntity;
-import one.nem.lacerta.vcs.ActionType;
-import one.nem.lacerta.source.file.factory.FileManagerFactory;
-import one.nem.lacerta.source.jgit.JGitRepository;
 import one.nem.lacerta.utils.LacertaLogger;
-import one.nem.lacerta.utils.XmlMetaParser;
-import one.nem.lacerta.utils.repository.DeviceInfoUtils;
+
 import one.nem.lacerta.vcs.LacertaVcs;