diff --git a/tests/signature/bruteforce_test.py b/tests/signature/bruteforce_test.py
index ecbd626..09665fe 100644
--- a/tests/signature/bruteforce_test.py
+++ b/tests/signature/bruteforce_test.py
@@ -2,10 +2,6 @@
 
 from .. import *
 
-import os
-
-from flanker import mime
-
 from talon.signature import bruteforce
 
 
diff --git a/tests/signature/extraction_test.py b/tests/signature/extraction_test.py
index 9cf76dd..a055064 100644
--- a/tests/signature/extraction_test.py
+++ b/tests/signature/extraction_test.py
@@ -4,8 +4,6 @@ from .. import *
 
 import os
 
-from PyML import SparseDataSet
-
 from talon.signature.learning import dataset
 from talon import signature
 from talon.signature import extraction as e
diff --git a/tests/signature/learning/dataset_test.py b/tests/signature/learning/dataset_test.py
index 062ff17..5eeff36 100644
--- a/tests/signature/learning/dataset_test.py
+++ b/tests/signature/learning/dataset_test.py
@@ -5,7 +5,6 @@ import os
 
 from PyML import SparseDataSet
 
-from talon.utils import to_unicode
 from talon.signature.learning import dataset as d
 
 from talon.signature.learning.featurespace import features