diff --git a/lib/prune.js b/lib/prune.js
index 010e471e4b328..8d642e5b27928 100644
--- a/lib/prune.js
+++ b/lib/prune.js
@@ -65,4 +65,3 @@ Pruner.prototype.loadAllDepsIntoIdealTree = function (cb) {
 
 Pruner.prototype.runPreinstallTopLevelLifecycles = function (cb) { cb() }
 Pruner.prototype.runPostinstallTopLevelLifecycles = function (cb) { cb() }
-Pruner.prototype.saveToDependencies = function (cb) { cb() }