diff --git a/reg/predicate.py b/reg/predicate.py
index ca8f418..f3a8b95 100644
--- a/reg/predicate.py
+++ b/reg/predicate.py
@@ -154,7 +154,7 @@ def __init__(self, *predicates):
             p, q, r = key_getters
             self.key = lambda **kw: (p(kw), q(kw), r(kw))
         else:
-            self.key = lambda **kw: tuple([p(kw) for p in key_getters])
+            self.key = lambda **kw: tuple(p(kw) for p in key_getters)
 
     def register(self, key, value):
         if key in self.known_keys:
@@ -198,7 +198,7 @@ def key_dict_to_predicate_key(self, d):
           expected value is used.
         :returns: a tuple, to be used as a key for dispatching.
         """
-        return tuple([p.key_by_predicate_name(d) for p in self.predicates])
+        return tuple(p.key_by_predicate_name(d) for p in self.predicates)
 
     def component(self, keys):
         return next(self.all(keys), None)