diff --git a/duniterpy/documents/peer.py b/duniterpy/documents/peer.py
index db67d637639ed78fda24f348864f473bb92d176e..ef06526cda28e2bf3cf93d262b96eb245eafd6c7 100644
--- a/duniterpy/documents/peer.py
+++ b/duniterpy/documents/peer.py
@@ -3,7 +3,7 @@ import re
 from ..api.bma import ConnectionHandler
 from .document import Document, MalformedDocumentError
 from . import BlockUID
-from .. import PROTOCOL_VERSION, MANAGED_API
+from .. import MANAGED_API
 from .constants import block_hash_regex, pubkey_regex