diff --git a/eos/modifiedAttributeDict.py b/eos/modifiedAttributeDict.py
index 7be24ff76..0a9eda8a4 100644
--- a/eos/modifiedAttributeDict.py
+++ b/eos/modifiedAttributeDict.py
@@ -17,7 +17,8 @@
 # along with eos.  If not, see <http://www.gnu.org/licenses/>.
 # ===============================================================================
 
-import collections
+
+from collections import MutableMapping
 from copy import copy
 from math import exp
 
@@ -96,7 +97,7 @@ class ChargeAttrShortcut:
         return return_value or default
 
 
-class ModifiedAttributeDict(collections.MutableMapping):
+class ModifiedAttributeDict(MutableMapping):
     overrides_enabled = False
 
     class CalculationPlaceholder:
diff --git a/service/port/esi.py b/service/port/esi.py
index 7b1e35954..c9296e1ec 100644
--- a/service/port/esi.py
+++ b/service/port/esi.py
@@ -18,8 +18,8 @@
 # =============================================================================
 
 
-import collections
 import json
+from collections import defaultdict
 
 from logbook import Logger
 
@@ -61,7 +61,7 @@ def exportESI(ofit, callback):
     # max fit name length is 50 characters
     # Most keys are created simply because they are required, but bogus data is okay
 
-    nested_dict = lambda: collections.defaultdict(nested_dict)
+    nested_dict = lambda: defaultdict(nested_dict)
     fit = nested_dict()
     sFit = svcFit.getInstance()