diff --git a/examples/circuit.rs b/examples/circuit.rs
index 6be77bee..c183653b 100644
--- a/examples/circuit.rs
+++ b/examples/circuit.rs
@@ -31,12 +31,10 @@ impl Circuit for TestCircuit {
         let d = composer.append_witness(self.d);
 
         // 1) a < 2^6
-        const HALF_SIX: usize = 3;
-        composer.component_range::<HALF_SIX>(a);
+        composer.component_range::<3>(a); // 3 BIT_PAIRS = 6 bits
 
         // 2) b < 2^4
-        const HALF_FOUR: usize = 2;
-        composer.component_range::<HALF_FOUR>(b);
+        composer.component_range::<2>(b); // 2 BIT_PAIRS = 4 bits
 
         // 3) a + b + 42 = c where c is public input
         let constraint = Constraint::new()