diff --git a/britney.py b/britney.py
index 4a9caa1..d530f44 100755
--- a/britney.py
+++ b/britney.py
@@ -2514,7 +2514,6 @@ class Britney(object):
         # a package is obsolete if none of the binary packages in testing
         # are built by it
         self.__log("> Removing obsolete source packages from testing", type="I")
-        removals = []
         # local copies for performance
         sources = self.sources['testing']
         binaries = self.binaries['testing']
diff --git a/britney_util.py b/britney_util.py
index 3766170..fbe39f5 100644
--- a/britney_util.py
+++ b/britney_util.py
@@ -115,7 +115,7 @@ def iter_except(func, exception, first=None):
 
 
 def undo_changes(lundo, inst_tester, sources, binaries,
-                 BINARIES=BINARIES, PROVIDES=PROVIDES):
+                 BINARIES=BINARIES):
     """Undoes one or more changes to testing
 
     * lundo is a list of (undo, item)-tuples
diff --git a/completer.py b/completer.py
index e5b0ca0..27437c1 100644
--- a/completer.py
+++ b/completer.py
@@ -39,7 +39,6 @@ class Completer(object):
         complete = []
         tpu = []
         for e in britney.excuses:
-            ver = None
             pkg = e.name
             suite = 'unstable'
             if pkg[0] == '-':
diff --git a/hints.py b/hints.py
index ab47675..6643257 100644
--- a/hints.py
+++ b/hints.py
@@ -24,7 +24,7 @@ class HintCollection(object):
         return self.search(type)
 
     def search(self, type=None, onlyactive=True, package=None, \
-       version=None, days=None, removal=None):
+       version=None, removal=None):
 
         return [ hint for hint in self._hints if
                  (type is None or type == hint.type) and
diff --git a/installability/builder.py b/installability/builder.py
index becc6b3..2998d16 100644
--- a/installability/builder.py
+++ b/installability/builder.py
@@ -29,7 +29,7 @@ class _RelationBuilder(object):
         self._new_breaks = set(binary_data[1])
 
 
-    def add_dependency_clause(self, or_clause, frozenset=frozenset):
+    def add_dependency_clause(self, or_clause):
         """Add a dependency clause
 
         The clause must be a sequence of (name, version, architecture)
@@ -48,7 +48,6 @@ class _RelationBuilder(object):
         clause = self._itbuilder._intern_set(or_clause)
         binary = self._binary
         itbuilder = self._itbuilder
-        package_table = itbuilder._package_table
         okay = False
         for dep_tuple in clause:
             okay = True