diff --git a/package.json b/package.json
index cec65db..54120a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redux-and-the-rest",
-  "version": "5.1.0",
+  "version": "6.0.0",
   "description": "Declarative, flexible Redux integration with your RESTful API",
   "main": "index.js",
   "scripts": {
diff --git a/src/reducers/buildReducersDictionary.js b/src/reducers/buildReducersDictionary.js
index 0a50a0c..470d333 100644
--- a/src/reducers/buildReducersDictionary.js
+++ b/src/reducers/buildReducersDictionary.js
@@ -42,9 +42,6 @@ import getListStatus from '../public-reducers/getListStatus';
 import getListPositions from '../public-reducers/getListPositions';
 import getListMetadata from '../public-reducers/getListMetadata';
 import isString from '../utils/string/isString';
-import without from '../utils/list/without';
-import getItemKey from '../action-creators/helpers/getItemKey';
-import wrapInObject from '../utils/object/wrapInObject';
 import removeItemFromListPositions from '../public-reducers/removeItemFromListPositions';
 
 /**
diff --git a/src/resources.js b/src/resources.js
index 772ec46..f3a1de7 100644
--- a/src/resources.js
+++ b/src/resources.js
@@ -324,12 +324,10 @@ function resources(resourceOptions, actionOptions = {}) {
           fetchFunction: resourceDefinition.fetchList,
           action: actions.fetchList,
           localOnly,
-          keyFunction: (_params) => {
-            return getListKey(
+          keyFunction: (_params) => getListKey(
               _params,
               mergeWithLatestGlobalConfig({ ...resourceOptions, ...actionCreatorOptions })
-            );
-          },
+            ),
         },
         resourcesState, params, actionCreatorOptions
       );