diff --git a/setup.py b/setup.py
index bd1c900..9579fac 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ setup(name='wheel',
           ],
       extras_require={
           ':python_version=="2.6"': ['argparse'],
-          'signatures': ['keyring', 'keyrings.alt'],
+          'signatures': ['keyring'],
           'signatures:sys_platform!="win32"': ['pyxdg'],
           'signatures:python_version=="2.6"': ['importlib'],
           'faster-signatures': ['ed25519ll'],
diff --git a/wheel/tool/__init__.py b/wheel/tool/__init__.py
index 4c0187b..81eae0e 100644
--- a/wheel/tool/__init__.py
+++ b/wheel/tool/__init__.py
@@ -29,9 +29,8 @@ def get_keyring():
     try:
         from ..signatures import keys
         import keyring
-        assert keyring.get_keyring().priority
-    except (ImportError, AssertionError):
-        raise WheelError("Install wheel[signatures] (requires keyring, keyrings.alt, pyxdg) for signatures.")
+    except ImportError:
+        raise WheelError("Install wheel[signatures] (requires keyring, pyxdg) for signatures.")
     return keys.WheelKeys, keyring
 
 def keygen(get_keyring=get_keyring):