diff --git a/selfprivacy_api/backup/backuppers/restic_backupper.py b/selfprivacy_api/backup/backuppers/restic_backupper.py
index bbaf0c0..a94c993 100644
--- a/selfprivacy_api/backup/backuppers/restic_backupper.py
+++ b/selfprivacy_api/backup/backuppers/restic_backupper.py
@@ -84,18 +84,6 @@ class ResticBackupper(AbstractBackupper):
             result.append(item)
         return result
 
-    @staticmethod
-    def sync(src_path: str, dest_path: str):
-        """a wrapper around rclone sync"""
-
-        if not exists(src_path):
-            raise ValueError("source dir for rclone sync must exist")
-
-        rclone_command = ["rclone", "sync", "-P", src_path, dest_path]
-        for raw_message in output_yielder(rclone_command):
-            if "ERROR" in raw_message:
-                raise ValueError(raw_message)
-
     def start_backup(self, folders: List[str], tag: str):
         """
         Start backup with restic
diff --git a/selfprivacy_api/backup/util.py b/selfprivacy_api/backup/util.py
index 8af74e0..bda421e 100644
--- a/selfprivacy_api/backup/util.py
+++ b/selfprivacy_api/backup/util.py
@@ -1,4 +1,5 @@
 import subprocess
+from os.path import exists
 
 
 def output_yielder(command):
@@ -12,3 +13,15 @@ def output_yielder(command):
         for line in iter(handle.stdout.readline, ""):
             if "NOTICE:" not in line:
                 yield line
+
+
+def sync(src_path: str, dest_path: str):
+    """a wrapper around rclone sync"""
+
+    if not exists(src_path):
+        raise ValueError("source dir for rclone sync must exist")
+
+    rclone_command = ["rclone", "sync", "-P", src_path, dest_path]
+    for raw_message in output_yielder(rclone_command):
+        if "ERROR" in raw_message:
+            raise ValueError(raw_message)
diff --git a/tests/test_graphql/test_backup.py b/tests/test_graphql/test_backup.py
index 0a150a6..e269cf1 100644
--- a/tests/test_graphql/test_backup.py
+++ b/tests/test_graphql/test_backup.py
@@ -18,8 +18,8 @@ from selfprivacy_api.backup import Backups
 import selfprivacy_api.backup.providers as providers
 from selfprivacy_api.backup.providers import AbstractBackupProvider
 from selfprivacy_api.backup.providers.backblaze import Backblaze
+from selfprivacy_api.backup.util import sync
 
-from selfprivacy_api.backup.backuppers.restic_backupper import ResticBackupper
 
 from selfprivacy_api.backup.tasks import start_backup, restore_snapshot
 from selfprivacy_api.backup.storage import Storage
@@ -537,7 +537,7 @@ def test_sync(dummy_service):
     old_files_dst = listdir(dst)
     assert old_files_src != old_files_dst
 
-    ResticBackupper.sync(src, dst)
+    sync(src, dst)
     new_files_src = listdir(src)
     new_files_dst = listdir(dst)
     assert new_files_src == old_files_src
@@ -549,4 +549,4 @@ def test_sync_nonexistent_src(dummy_service):
     dst = dummy_service.get_folders()[1]
 
     with pytest.raises(ValueError):
-        ResticBackupper.sync(src, dst)
+        sync(src, dst)