diff --git a/src/vstc/virtual_machine/virtual_machine.rs b/src/vstc/virtual_machine/virtual_machine.rs
index ca321eb..84374c7 100644
--- a/src/vstc/virtual_machine/virtual_machine.rs
+++ b/src/vstc/virtual_machine/virtual_machine.rs
@@ -37,13 +37,6 @@ impl VirtualMachine {
     while self.stack.len() > 0 {
       self.step();
     }
-
-    let a = VsNumber::from_f64(1_f64);
-    let b = VsString::from_str("2");
-
-    std::println!("a + b = {}", op_plus(&a, &b));
-
-    std::panic!("Not implemented");
   }
 
   pub fn new() -> VirtualMachine {
diff --git a/src/vstc/virtual_machine/vs_function.rs b/src/vstc/virtual_machine/vs_function.rs
index 56dffd8..e449001 100644
--- a/src/vstc/virtual_machine/vs_function.rs
+++ b/src/vstc/virtual_machine/vs_function.rs
@@ -35,8 +35,8 @@ impl VsValue for VsFunction {
   fn push_frame(&self, vm: &mut VirtualMachine) -> bool {
     let mut registers: Vec<Val> = Vec::with_capacity(self.register_count - 1);
     
-    for i in 0..(self.register_count - 1) {
-      registers[i] = VsUndefined::new();
+    for _ in 0..(self.register_count - 1) {
+      registers.push(VsUndefined::new());
     }
 
     vm.stack.push(StackFrame {