--- /dev/null
+var has = require('./has');
+
+ /**
+ * Unset object property.
+ */
+ function unset(obj, prop){
+ if (has(obj, prop)) {
+ var parts = prop.split('.'),
+ last = parts.pop();
+ while (prop = parts.shift()) {
+ obj = obj[prop];
+ }
+ return (delete obj[last]);
+
+ } else {
+ // if property doesn't exist treat as deleted
+ return true;
+ }
+ }
+
+ module.exports = unset;
+
+