diff --git a/ykrt/src/compile/jitc_yk/jit_ir.rs b/ykrt/src/compile/jitc_yk/jit_ir.rs
index 836cedd91..eea2bb255 100644
--- a/ykrt/src/compile/jitc_yk/jit_ir.rs
+++ b/ykrt/src/compile/jitc_yk/jit_ir.rs
@@ -100,12 +100,6 @@ macro_rules! index_16bit {
             }
         }
 
-        // impl From<usize> for $struct {
-        //     fn from(idx: usize) -> Self {
-        //         Self(idx)
-        //     }
-        // }
-
         impl From<$struct> for usize {
             fn from(s: $struct) -> usize {
                 s.0.into()