diff --git a/crates/format/src/input.rs b/crates/format/src/input.rs
index c81dfcf..0631db8 100644
--- a/crates/format/src/input.rs
+++ b/crates/format/src/input.rs
@@ -8,27 +8,6 @@ use semver::VersionReq;
 use serde::{Deserialize, de::Deserializer};
 use serde_json::Value;
 
-/* fn deserialize_calldata<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
-where
-    D: Deserializer<'de>,
-{
-    let calldata_strings: Vec<String> = Vec::deserialize(deserializer)?;
-    let mut result = Vec::with_capacity(calldata_strings.len() * 32);
-
-    for calldata_string in &calldata_strings {
-        match calldata_string.parse::<U256>() {
-            Ok(parsed) => result.extend_from_slice(&parsed.to_be_bytes::<32>()),
-            Err(error) => {
-                return Err(serde::de::Error::custom(format!(
-                    "parsing U256 {calldata_string} error: {error}"
-                )));
-            }
-        };
-    }
-
-    Ok(result)
-} */
-
 #[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq)]
 pub struct Input {
     #[serde(default = "default_caller")]