diff --git a/source/src/main/java/one/nem/lacerta/source/file/RepoFileManager.java b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
similarity index 71%
rename from source/src/main/java/one/nem/lacerta/source/file/RepoFileManager.java
rename to source/src/main/java/one/nem/lacerta/source/file/FileManager.java
index 61efacde..cd22a139 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/RepoFileManager.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
@@ -2,9 +2,7 @@ package one.nem.lacerta.source.file;
 
 import android.graphics.Bitmap;
 
-import org.eclipse.jgit.lib.Repository;
-
-public interface RepoFileManager {
+public interface FileManager {
 
     void initRepoDir();
     void addImageByIndex(Bitmap bitmap, int index);
diff --git a/source/src/main/java/one/nem/lacerta/source/file/impl/RepoFileManagerImpl.java b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
similarity index 56%
rename from source/src/main/java/one/nem/lacerta/source/file/impl/RepoFileManagerImpl.java
rename to source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
index 8652cc9d..bf851fd4 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/impl/RepoFileManagerImpl.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
@@ -1,9 +1,15 @@
 package one.nem.lacerta.source.file.impl;
 
 import android.graphics.Bitmap;
-import one.nem.lacerta.source.file.RepoFileManager;
 
-public class RepoFileManagerImpl implements RepoFileManager{
+import java.nio.file.Path;
+
+import one.nem.lacerta.source.file.FileManager;
+
+public class FileManagerImpl implements FileManager {
+
+    private Path rootDir;
+
     @Override
     public void initRepoDir() {
 
@@ -18,4 +24,9 @@ public class RepoFileManagerImpl implements RepoFileManager{
     public void deleteImageByIndex(int index) {
 
     }
+
+    // Internal
+    private void createDir() {
+
+    }
 }