diff --git a/netlib/h2/frame.py b/netlib/h2/frame.py
index d846b3b93..a7e81f48b 100644
--- a/netlib/h2/frame.py
+++ b/netlib/h2/frame.py
@@ -1,10 +1,6 @@
-import base64
-import hashlib
-import os
 import struct
-import io
 
-from .. import utils, odict, tcp
+from .. import utils
 from functools import reduce
 
 
diff --git a/netlib/h2/h2.py b/netlib/h2/h2.py
index 1a39a635a..7a85226fd 100644
--- a/netlib/h2/h2.py
+++ b/netlib/h2/h2.py
@@ -1,8 +1,3 @@
-import base64
-import hashlib
-import os
-import struct
-import io
 
 # "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 CLIENT_CONNECTION_PREFACE = '505249202a20485454502f322e300d0a0d0a534d0d0a0d0a'
diff --git a/netlib/http_auth.py b/netlib/http_auth.py
index 261b6654b..0143760cd 100644
--- a/netlib/http_auth.py
+++ b/netlib/http_auth.py
@@ -16,7 +16,6 @@ class NullProxyAuth(object):
         """
             Clean up authentication headers, so they're not passed upstream.
         """
-        pass
 
     def authenticate(self, headers):
         """
diff --git a/netlib/http_cookies.py b/netlib/http_cookies.py
index 73e3f5895..5cb39e5ca 100644
--- a/netlib/http_cookies.py
+++ b/netlib/http_cookies.py
@@ -67,7 +67,6 @@ def _read_quoted_string(s, start):
             break
         elif s[i] == "\\":
             escaping = True
-            pass
         else:
             ret.append(s[i])
     return "".join(ret), i + 1
diff --git a/netlib/tcp.py b/netlib/tcp.py
index 7c1155546..49f92e4ac 100644
--- a/netlib/tcp.py
+++ b/netlib/tcp.py
@@ -7,7 +7,6 @@ import threading
 import time
 import traceback
 from OpenSSL import SSL
-import OpenSSL
 
 from . import certutils
 
@@ -650,4 +649,3 @@ class TCPServer(object):
         """
             Called after server shutdown.
         """
-        pass
diff --git a/test/test_certutils.py b/test/test_certutils.py
index 4af0197fa..115cac4d1 100644
--- a/test/test_certutils.py
+++ b/test/test_certutils.py
@@ -1,6 +1,5 @@
 import os
 from netlib import certutils, certffi
-import OpenSSL
 import tutils
 
 # class TestDNTree:
@@ -57,13 +56,13 @@ class TestCertStore:
 
     def test_add_cert(self):
         with tutils.tmpdir() as d:
-            ca = certutils.CertStore.from_store(d, "test")
+            certutils.CertStore.from_store(d, "test")
 
     def test_sans(self):
         with tutils.tmpdir() as d:
             ca = certutils.CertStore.from_store(d, "test")
             c1 = ca.get_cert("foo.com", ["*.bar.com"])
-            c2 = ca.get_cert("foo.bar.com", [])
+            ca.get_cert("foo.bar.com", [])
             # assert c1 == c2
             c3 = ca.get_cert("bar.com", [])
             assert not c1 == c3
@@ -71,7 +70,7 @@ class TestCertStore:
     def test_sans_change(self):
         with tutils.tmpdir() as d:
             ca = certutils.CertStore.from_store(d, "test")
-            _ = ca.get_cert("foo.com", ["*.bar.com"])
+            ca.get_cert("foo.com", ["*.bar.com"])
             cert, key, chain_file = ca.get_cert("foo.bar.com", ["*.baz.com"])
             assert "*.baz.com" in cert.altnames
 
diff --git a/test/test_http_auth.py b/test/test_http_auth.py
index 25df54101..045fb13ee 100644
--- a/test/test_http_auth.py
+++ b/test/test_http_auth.py
@@ -1,7 +1,4 @@
-import binascii
-import cStringIO
 from netlib import odict, http_auth, http
-import mock
 import tutils
 
 
@@ -22,7 +19,7 @@ class TestPassManHtpasswd:
         pm = http_auth.PassManHtpasswd(tutils.test_data.path("data/htpasswd"))
 
         vals = ("basic", "test", "test")
-        p = http.assemble_http_basic_auth(*vals)
+        http.assemble_http_basic_auth(*vals)
         assert pm.test("test", "test")
         assert not pm.test("test", "foo")
         assert not pm.test("foo", "test")
diff --git a/test/test_http_cookies.py b/test/test_http_cookies.py
index 7438af7ca..070849cf5 100644
--- a/test/test_http_cookies.py
+++ b/test/test_http_cookies.py
@@ -1,7 +1,6 @@
-import pprint
 import nose.tools
 
-from netlib import http_cookies, odict
+from netlib import http_cookies
 
 
 def test_read_token():
diff --git a/test/test_imports.py b/test/test_imports.py
index 7b8a643bc..b88ef26d0 100644
--- a/test/test_imports.py
+++ b/test/test_imports.py
@@ -1,3 +1 @@
 # These are actually tests!
-import netlib.http_status
-import netlib.version
diff --git a/test/test_wsgi.py b/test/test_wsgi.py
index 68a47769d..41572d494 100644
--- a/test/test_wsgi.py
+++ b/test/test_wsgi.py
@@ -56,7 +56,7 @@ class TestWSGI:
         f.request.host = "foo"
         f.request.port = 80
         wfile = cStringIO.StringIO()
-        err = w.serve(f, wfile)
+        w.serve(f, wfile)
         return wfile.getvalue()
 
     def test_serve_empty_body(self):
@@ -72,7 +72,7 @@ class TestWSGI:
             try:
                 raise ValueError("foo")
             except:
-                ei = sys.exc_info()
+                sys.exc_info()
             status = '200 OK'
             response_headers = [('Content-type', 'text/plain')]
             start_response(status, response_headers)