diff --git a/src/cryptography/other_accounts.py b/src/cryptography/other_accounts.py
index a184851..0c983bc 100644
--- a/src/cryptography/other_accounts.py
+++ b/src/cryptography/other_accounts.py
@@ -8,7 +8,7 @@ from cryptography.hazmat.primitives import hashes
 from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
 
 
-def generate_key(salt: bytes, master_pass_hash: bytes) -> bytes:
+def _generate_key(salt: bytes, master_pass_hash: bytes) -> bytes:
     kdf = PBKDF2HMAC(
         algorithm=hashes.SHA256(),
         length=32,