diff --git a/src/execute/oas3/parameter-builders.js b/src/execute/oas3/parameter-builders.js
index 845df3448..a9a9a06c3 100644
--- a/src/execute/oas3/parameter-builders.js
+++ b/src/execute/oas3/parameter-builders.js
@@ -1,5 +1,3 @@
-import pick from 'lodash/pick';
-
 import stylize, { encodeDisallowedCharacters } from './style-serializer';
 import serialize from './content-serializer';
 
@@ -45,9 +43,10 @@ export function query({ req, value, parameter }) {
   }
 
   if (value) {
+    const { style, explode, allowReserved } = parameter;
     req.query[parameter.name] = {
       value,
-      serializationOption: pick(parameter, ['style', 'explode', 'allowReserved']),
+      serializationOption: { style, explode, allowReserved },
     };
   } else if (parameter.allowEmptyValue && value !== undefined) {
     const paramName = parameter.name;
diff --git a/src/http/index.js b/src/http/index.js
index 42c1d2ba6..a85f8c565 100644
--- a/src/http/index.js
+++ b/src/http/index.js
@@ -1,7 +1,6 @@
 import 'cross-fetch/polyfill'; /* global fetch */
 import qs from 'qs';
 import jsYaml from 'js-yaml';
-import pick from 'lodash/pick';
 import isFunction from 'lodash/isFunction';
 import { Buffer } from 'buffer';
 import { FormData, File, Blob } from 'formdata-node';
@@ -229,12 +228,12 @@ function formatKeyValue(key, input, skipEncoding = false) {
         (type) => type !== 'undefined'
       )
     ) {
-      return formatKeyValueBySerializationOption(
-        key,
-        value,
-        skipEncoding,
-        pick(encoding, ['style', 'explode', 'allowReserved'])
-      );
+      const { style, explode, allowReserved } = encoding;
+      return formatKeyValueBySerializationOption(key, value, skipEncoding, {
+        style,
+        explode,
+        allowReserved,
+      });
     }
 
     if (encoding.contentType) {
diff --git a/src/interfaces.js b/src/interfaces.js
index 5f3bb3f98..2bff2bd03 100644
--- a/src/interfaces.js
+++ b/src/interfaces.js
@@ -1,5 +1,3 @@
-import pick from 'lodash/pick';
-
 import { eachOperation, opId } from './helpers';
 
 const nullFn = () => null;
@@ -15,16 +13,20 @@ export const self = {
 // Make an execute, bound to arguments defined in mapTagOperation's callback (cb)
 export function makeExecute(swaggerJs = {}) {
   return ({ pathName, method, operationId }) =>
-    (parameters, opts = {}) =>
-      swaggerJs.execute({
+    (parameters, opts = {}) => {
+      const { requestInterceptor, responseInterceptor, userFetch } = swaggerJs;
+      return swaggerJs.execute({
         spec: swaggerJs.spec,
-        ...pick(swaggerJs, 'requestInterceptor', 'responseInterceptor', 'userFetch'),
+        requestInterceptor,
+        responseInterceptor,
+        userFetch,
         pathName,
         method,
         parameters,
         operationId,
         ...opts,
       });
+    };
 }
 
 // Creates an interface with tags+operations = execute