diff --git a/crates/air-lib/interpreter-value/src/value/index.rs b/crates/air-lib/interpreter-value/src/value/index.rs
index e2ad2985d..8fe2b2b67 100644
--- a/crates/air-lib/interpreter-value/src/value/index.rs
+++ b/crates/air-lib/interpreter-value/src/value/index.rs
@@ -48,7 +48,6 @@
 */
 
 use super::JValue;
-use core::fmt::{self, Display};
 use core::ops;
 use std::string::String;
 
@@ -113,22 +112,6 @@ mod private {
     impl<'a, T> Sealed for &'a T where T: ?Sized + Sealed {}
 }
 
-/// Used in panic messages.
-struct Type<'a>(&'a JValue);
-
-impl<'a> Display for Type<'a> {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        match *self.0 {
-            JValue::Null => formatter.write_str("null"),
-            JValue::Bool(_) => formatter.write_str("boolean"),
-            JValue::Number(_) => formatter.write_str("number"),
-            JValue::String(_) => formatter.write_str("string"),
-            JValue::Array(_) => formatter.write_str("array"),
-            JValue::Object(_) => formatter.write_str("object"),
-        }
-    }
-}
-
 // The usual semantics of Index is to panic on invalid indexing.
 //
 // That said, the usual semantics are for things like Vec and BTreeMap which
diff --git a/tools/cli/air/src/main.rs b/tools/cli/air/src/main.rs
index b753b1201..47af4f278 100644
--- a/tools/cli/air/src/main.rs
+++ b/tools/cli/air/src/main.rs
@@ -28,6 +28,8 @@
     unused_unsafe,
     unreachable_patterns
 )]
+// risc0 feature flag is commented out, but the code remains for future experiments
+#![allow(unexpected_cfgs)]
 
 mod beautify;
 mod data;