diff --git a/examples/fib/main.rs b/examples/fib/main.rs
index e364deb..da28e67 100644
--- a/examples/fib/main.rs
+++ b/examples/fib/main.rs
@@ -5,8 +5,7 @@ fn main() {
 }
 
 fn fib(i: u64) -> u64 {
-    let mut a = 0;
-    let mut b = 1;
+    let (mut a, mut b) = (0, 1);
 
     for _ in 0..i {
         (a, b) = (b, a + b);
diff --git a/examples/fib/spec.json b/examples/fib/spec.json
index a1ff278..a94070d 100644
--- a/examples/fib/spec.json
+++ b/examples/fib/spec.json
@@ -1,9 +1,6 @@
 {
     "entrypoints": {
         "fib": {
-            "args": [
-                "BinaryName"
-            ],
             "environment": [
                 "Stdout",
                 {