diff --git a/.covrc b/.covrc
new file mode 100644
index 0000000..43c5fd7
--- /dev/null
+++ b/.covrc
@@ -0,0 +1,3 @@
+[run]
+omit =
+    kafka/vendor/*
diff --git a/tox.ini b/tox.ini
index e98fcbb..817b57b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,18 +21,18 @@ deps =
     xxhash
     py26: unittest2
 commands =
-    py.test {posargs:--pylint --pylint-rcfile=pylint.rc --pylint-error-types=EF --cov=kafka}
+    py.test {posargs:--pylint --pylint-rcfile=pylint.rc --pylint-error-types=EF --cov=kafka --cov-config=.covrc}
 setenv =
     PROJECT_ROOT = {toxinidir}
 passenv = KAFKA_VERSION
 
 [testenv:py26]
 # pylint doesn't support python2.6
-commands = py.test {posargs:--cov=kafka}
+commands = py.test {posargs:--cov=kafka --cov-config=.covrc}
 
 [testenv:pypy]
 # pylint is super slow on pypy...
-commands = py.test {posargs:--cov=kafka}
+commands = py.test {posargs:--cov=kafka --cov-config=.covrc}
 
 [testenv:docs]
 deps =