diff --git a/README.md b/README.md
index 2419f752a..c2a951fed 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# lodash-es v4.17.1
+# lodash-es v4.17.2
 
 The [Lodash](https://lodash.com/) library exported as [ES](http://www.ecma-international.org/ecma-262/6.0/) modules.
 
@@ -7,4 +7,4 @@ Generated using [lodash-cli](https://www.npmjs.com/package/lodash-cli):
 $ lodash modularize exports=es -o ./
 ```
 
-See the [package source](https://github.com/lodash/lodash/tree/4.17.1-es) for more details.
+See the [package source](https://github.com/lodash/lodash/tree/4.17.2-es) for more details.
diff --git a/_basePickBy.js b/_basePickBy.js
index 95e995405..f2610c599 100644
--- a/_basePickBy.js
+++ b/_basePickBy.js
@@ -1,5 +1,6 @@
 import baseGet from './_baseGet.js';
 import baseSet from './_baseSet.js';
+import castPath from './_castPath.js';
 
 /**
  * The base implementation of  `_.pickBy` without support for iteratee shorthands.
@@ -20,7 +21,7 @@ function basePickBy(object, paths, predicate) {
         value = baseGet(object, path);
 
     if (predicate(value, path)) {
-      baseSet(result, path, value);
+      baseSet(result, castPath(path, object), value);
     }
   }
   return result;
diff --git a/_basePullAt.js b/_basePullAt.js
index 175e92070..9305613ed 100644
--- a/_basePullAt.js
+++ b/_basePullAt.js
@@ -1,8 +1,5 @@
-import castPath from './_castPath.js';
+import baseUnset from './_baseUnset.js';
 import isIndex from './_isIndex.js';
-import last from './last.js';
-import parent from './_parent.js';
-import toKey from './_toKey.js';
 
 /** Used for built-in method references. */
 var arrayProto = Array.prototype;
@@ -29,14 +26,8 @@ function basePullAt(array, indexes) {
       var previous = index;
       if (isIndex(index)) {
         splice.call(array, index, 1);
-      }
-      else {
-        var path = castPath(index, array),
-            object = parent(array, path);
-
-        if (object != null) {
-          delete object[toKey(last(path))];
-        }
+      } else {
+        baseUnset(array, index);
       }
     }
   }
diff --git a/_baseUnset.js b/_baseUnset.js
index 404b3c764..64b7b9cb9 100644
--- a/_baseUnset.js
+++ b/_baseUnset.js
@@ -3,12 +3,6 @@ import last from './last.js';
 import parent from './_parent.js';
 import toKey from './_toKey.js';
 
-/** Used for built-in method references. */
-var objectProto = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
 /**
  * The base implementation of `_.unset`.
  *
@@ -20,8 +14,7 @@ var hasOwnProperty = objectProto.hasOwnProperty;
 function baseUnset(object, path) {
   path = castPath(path, object);
   object = parent(object, path);
-  var key = toKey(last(path));
-  return !(object != null && hasOwnProperty.call(object, key)) || delete object[key];
+  return object == null || delete object[toKey(last(path))];
 }
 
 export default baseUnset;
diff --git a/lodash.default.js b/lodash.default.js
index f59f6b1f7..159824daf 100644
--- a/lodash.default.js
+++ b/lodash.default.js
@@ -45,7 +45,7 @@ import toInteger from './toInteger.js';
 import lodash from './wrapperLodash.js';
 
 /** Used as the semantic version number. */
-var VERSION = '4.17.1';
+var VERSION = '4.17.2';
 
 /** Used to compose bitmasks for function metadata. */
 var WRAP_BIND_KEY_FLAG = 2;
diff --git a/omit.js b/omit.js
index 4f01ca99b..f23a9ca4a 100644
--- a/omit.js
+++ b/omit.js
@@ -36,16 +36,16 @@ var omit = flatRest(function(object, paths) {
   if (object == null) {
     return result;
   }
-  var bitmask = CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG;
+  var isDeep = false;
   paths = arrayMap(paths, function(path) {
     path = castPath(path, object);
-    bitmask |= (path.length > 1 ? CLONE_DEEP_FLAG : 0);
+    isDeep || (isDeep = path.length > 1);
     return path;
   });
-
   copyObject(object, getAllKeysIn(object), result);
-  result = baseClone(result, bitmask);
-
+  if (isDeep) {
+    result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG);
+  }
   var length = paths.length;
   while (length--) {
     baseUnset(result, paths[length]);
diff --git a/package.json b/package.json
index 5411a0c4a..7cdba41ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash-es",
-  "version": "4.17.1",
+  "version": "4.17.2",
   "description": "Lodash exported as ES modules.",
   "keywords": "es6, modules, stdlib, util",
   "homepage": "https://lodash.com/custom-builds",
diff --git a/result.js b/result.js
index 9b384e390..fe519c817 100644
--- a/result.js
+++ b/result.js
@@ -39,8 +39,8 @@ function result(object, path, defaultValue) {
 
   // Ensure the loop is entered when path is empty.
   if (!length) {
-    object = undefined;
     length = 1;
+    object = undefined;
   }
   while (++index < length) {
     var value = object == null ? undefined : object[toKey(path[index])];
diff --git a/spread.js b/spread.js
index 0c973425e..cf221cfc9 100644
--- a/spread.js
+++ b/spread.js
@@ -51,15 +51,11 @@ function spread(func, start) {
   start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
   return baseRest(function(args) {
     var array = args[start],
-        lastIndex = args.length - 1,
         otherArgs = castSlice(args, 0, start);
 
     if (array) {
       arrayPush(otherArgs, array);
     }
-    if (start != lastIndex) {
-      arrayPush(otherArgs, castSlice(args, start + 1));
-    }
     return apply(func, this, otherArgs);
   });
 }