diff --git a/src/VirtualBox.js b/src/VirtualBox.js
index 0e1db37fbe..43e550dc7c 100644
--- a/src/VirtualBox.js
+++ b/src/VirtualBox.js
@@ -38,9 +38,6 @@ var VirtualBox = {
   wake: function (name) {
     return util.exec([this.command(), 'startvm', name, '--type', 'headless']);
   },
-  poweroff: function (name) {
-    return util.exec([this.command(), 'controlvm', name, 'poweroff']);
-  },
   vmstate: function (name) {
     return new Promise((resolve, reject) => {
       util.exec([this.command(), 'showvminfo', name, '--machinereadable']).then(stdout => {