Remove baseKeys and baseKeysIn.

.internal/baseKeys.js

@@ -1,27 +0,0 @@
-import isPrototype from './isPrototype.js'
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * The base implementation of `keys` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeys(object) {
-  object = Object(object)
-  if (!isPrototype(object)) {
-    return Object.keys(object)
-  }
-  const result = []
-  for (const key in object) {
-    if (hasOwnProperty.call(object, key) && key != 'constructor') {
-      result.push(key)
-    }
-  }
-  return result
-}
-
-export default baseKeys

.internal/baseKeysIn.js

@@ -1,34 +0,0 @@
-import isObject from '../isObject.js'
-import isPrototype from './isPrototype.js'
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * The base implementation of `keysIn` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeysIn(object) {
-  const result = []
-  if (object == null) {
-    return result
-  }
-  if (!isObject(object)) {
-    for (const key in Object(object)) {
-      result.push(key)
-    }
-    return result
-  }
-  const isProto = isPrototype(object)
-  for (const key in object) {
-    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
-      result.push(key)
-    }
-  }
-  return result
-}
-
-export default baseKeysIn

.internal/getAllKeysIn.js

@@ -1,5 +1,4 @@
 import getSymbolsIn from './getSymbolsIn.js'
-import baseKeysIn from './baseKeysIn.js'
 
 /**
  * Creates an array of own and inherited enumerable property names and symbols of `object`.
@@ -9,7 +8,10 @@ import baseKeysIn from './baseKeysIn.js'
  * @returns {Array} Returns the array of property names and symbols.
  */
 function getAllKeysIn(object) {
-  const result = baseKeysIn(object)
+  const result = []
+  for (const key in object) {
+    result.push(key)
+  }
   if (!Array.isArray(object)) {
     result.push(...getSymbolsIn(object))
   }