diff --git a/samples/vboxwrapper/vbox.cpp b/samples/vboxwrapper/vbox.cpp
index 40ccf8baac..5e87d66735 100644
--- a/samples/vboxwrapper/vbox.cpp
+++ b/samples/vboxwrapper/vbox.cpp
@@ -258,7 +258,6 @@ int VBOX_VM::generate_vm_root_dir( string& dir ) {
 bool VBOX_VM::is_registered() {
     string command;
     string output;
-    char buf[256];
 
     command  = "showvminfo \"" + vm_name + "\" ";
     command += "--machinereadable ";