diff --git a/tract_querier/tract_math/operations.py b/tract_querier/tract_math/operations.py
index 3fa2de3..9b91242 100644
--- a/tract_querier/tract_math/operations.py
+++ b/tract_querier/tract_math/operations.py
@@ -16,11 +16,7 @@
 from . import tensor_operations
 from . import tract_operations
 
-
-try:
-    from collections import OrderedDict
-except ImportError:  # Python 2.6 fix
-    from ordereddict import OrderedDict
+from collections import OrderedDict
 
 
 @tract_math_operation(': print the names of scalar data associated with each tract')
diff --git a/tract_querier/tract_math/tensor_operations.py b/tract_querier/tract_math/tensor_operations.py
index 3b4350d..53543bc 100644
--- a/tract_querier/tract_math/tensor_operations.py
+++ b/tract_querier/tract_math/tensor_operations.py
@@ -3,11 +3,7 @@
 from . import tract_operations
 from ..tensor import scalar_measures
 
-try:
-    from collections import OrderedDict
-except ImportError:  # Python 2.6 fix
-    from ordereddict import OrderedDict
-
+from collections import OrderedDict
 
 
 def compute_all_measures(tractography, desired_keys_list, scalars=None, resolution=None):