3 files changed, 6 insertions, 6 deletions
diff --git a/tests/hazmat/primitives/test_hashes.py b/tests/hazmat/primitives/test_hashes.py
index d4bf6229..d6fd727d 100644
--- a/tests/hazmat/primitives/test_hashes.py
+++ b/tests/hazmat/primitives/test_hashes.py
@@ -13,14 +13,14 @@ import six
 from cryptography import utils
 from cryptography.exceptions import AlreadyFinalized, _Reasons
 from cryptography.hazmat.backends.interfaces import HashBackend
-from cryptography.hazmat.primitives import hashes, interfaces
+from cryptography.hazmat.primitives import hashes
 
 from .utils import generate_base_hash_test
 from ..backends.test_multibackend import DummyHashBackend
 from ...utils import raises_unsupported_algorithm
 
 
-@utils.register_interface(interfaces.HashAlgorithm)
+@utils.register_interface(hashes.HashAlgorithm)
 class UnsupportedDummyHash(object):
     name = "unsupported-dummy-hash"
     block_size = None
diff --git a/tests/hazmat/primitives/test_hmac.py b/tests/hazmat/primitives/test_hmac.py
index e31ddc8e..acd03323 100644
--- a/tests/hazmat/primitives/test_hmac.py
+++ b/tests/hazmat/primitives/test_hmac.py
@@ -15,14 +15,14 @@ from cryptography.exceptions import (
     AlreadyFinalized, InvalidSignature, _Reasons
 )
 from cryptography.hazmat.backends.interfaces import HMACBackend
-from cryptography.hazmat.primitives import hashes, hmac, interfaces
+from cryptography.hazmat.primitives import hashes, hmac
 
 from .utils import generate_base_hmac_test
 from ..backends.test_multibackend import DummyHMACBackend
 from ...utils import raises_unsupported_algorithm
 
 
-@utils.register_interface(interfaces.HashAlgorithm)
+@utils.register_interface(hashes.HashAlgorithm)
 class UnsupportedDummyHash(object):
     name = "unsupported-dummy-hash"
     block_size = None
diff --git a/tests/hazmat/primitives/test_pbkdf2hmac.py b/tests/hazmat/primitives/test_pbkdf2hmac.py
index caa6a852..df49d23c 100644
--- a/tests/hazmat/primitives/test_pbkdf2hmac.py
+++ b/tests/hazmat/primitives/test_pbkdf2hmac.py
@@ -13,13 +13,13 @@ from cryptography.exceptions import (
     AlreadyFinalized, InvalidKey, _Reasons
 )
 from cryptography.hazmat.backends import default_backend
-from cryptography.hazmat.primitives import hashes, interfaces
+from cryptography.hazmat.primitives import hashes
 from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
 
 from ...utils import raises_unsupported_algorithm
 
 
-@utils.register_interface(interfaces.HashAlgorithm)
+@utils.register_interface(hashes.HashAlgorithm)
 class DummyHash(object):
     name = "dummy-hash"
     block_size = None