diff --git a/src/lib.rs b/src/lib.rs
index fee2f41..cbeb92d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,6 @@ pub mod error;
 pub mod restore;
 pub mod source;
 
-use serde::{Deserialize, Serialize};
 mod index;
 pub mod repository;
 mod repository_item;
diff --git a/src/repository.rs b/src/repository.rs
index de12541..abffe24 100644
--- a/src/repository.rs
+++ b/src/repository.rs
@@ -1,12 +1,9 @@
 use std::fs;
 use std::path::Path;
 
-use walkdir::WalkDir;
-
 use crate::error::BakareError;
 use crate::index::{Index, IndexIterator};
 use crate::repository_item::RepositoryItem;
-use serde::{Deserialize, Serialize};
 use std::fs::File;
 
 /// represents a place where backup is stored an can be restored from.
@@ -95,22 +92,4 @@ impl<'a> Repository<'a> {
         }
         Ok(self.iter().find(|i| i.original_source_path() == path))
     }
-
-    fn get_all_files_recursively(path: &Path) -> Result<Vec<Box<Path>>, BakareError> {
-        let walker = WalkDir::new(path);
-
-        let mut result = vec![];
-
-        for maybe_entry in walker {
-            let entry = maybe_entry?;
-            if entry.path() == path {
-                continue;
-            }
-            if entry.path().is_file() {
-                result.push(Box::from(entry.path()));
-            }
-        }
-
-        Ok(result)
-    }
 }
diff --git a/src/repository_item.rs b/src/repository_item.rs
index 94cbb06..0894d57 100644
--- a/src/repository_item.rs
+++ b/src/repository_item.rs
@@ -1,5 +1,4 @@
 use crate::error::BakareError;
-use serde::{Deserialize, Serialize};
 use std::fs;
 use std::path::Path;
 
diff --git a/src/restore.rs b/src/restore.rs
index 5d30601..14e5b8a 100644
--- a/src/restore.rs
+++ b/src/restore.rs
@@ -1,8 +1,5 @@
-use std::fs;
 use std::path::Path;
 
-use walkdir::DirEntry;
-
 use crate::error::BakareError;
 use crate::repository::Repository;
 use crate::repository_item::RepositoryItem;
diff --git a/tests/system_tests.rs b/tests/system_tests.rs
index 309e780..c77cbf3 100644
--- a/tests/system_tests.rs
+++ b/tests/system_tests.rs
@@ -26,13 +26,13 @@ fn restore_backed_up_files() -> Result<(), BakareError> {
 fn restore_older_version_of_file() -> Result<(), BakareError> {
     let source = TempSource::new()?;
     let repository_path = tempdir()?.into_path();
-    let restore_repository = Repository::open(repository_path.as_path())?;
+    //let restore_repository = Repository::open(repository_path.as_path())?;
 
     let relative_path_text = "some path";
     let file_path = source.file_path(relative_path_text);
     let new_contents = "totally new contents";
     let restore_target = tempdir()?;
-    let restore_engine = restore::Engine::new(&restore_repository, &restore_target.path())?;
+    //let restore_engine = restore::Engine::new(&restore_repository, &restore_target.path())?;
     let old_contents = "some old contents";
 
     {
@@ -45,7 +45,7 @@ fn restore_older_version_of_file() -> Result<(), BakareError> {
     let reading_repository = Repository::open(repository_path.as_path())?;
     let file_id = reading_repository.item_by_source_path(&file_path)?;
     assert!(file_id.is_some());
-    let file_id = file_id.unwrap();
+    //let file_id = file_id.unwrap();
     //let old_version = file_id.version();
 
     {