--- /dev/null
+var castPath = require('./_castPath'),
+ last = require('./last'),
+ parent = require('./_parent'),
+ toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.unset`.
+ *
+ * @private
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The property path to unset.
+ * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+ */
+function baseUnset(object, path) {
+ path = castPath(path, object);
+ object = parent(object, path);
+ return object == null || delete object[toKey(last(path))];
+}
+
+module.exports = baseUnset;