diff --git a/crates/circuits/poseidon2-air/src/config.rs b/crates/circuits/poseidon2-air/src/config.rs
index 37a87d07e0..393399aac6 100644
--- a/crates/circuits/poseidon2-air/src/config.rs
+++ b/crates/circuits/poseidon2-air/src/config.rs
@@ -4,10 +4,7 @@ use p3_poseidon2::ExternalLayerConstants;
 use p3_poseidon2_air::RoundConstants;
 
 use super::{
-    // BABYBEAR_BEGIN_EXT_CONSTS, BABYBEAR_END_EXT_CONSTS, BABYBEAR_PARTIAL_CONSTS,
-    BABY_BEAR_POSEIDON2_HALF_FULL_ROUNDS,
-    BABY_BEAR_POSEIDON2_PARTIAL_ROUNDS,
-    POSEIDON2_WIDTH,
+    BABY_BEAR_POSEIDON2_HALF_FULL_ROUNDS, BABY_BEAR_POSEIDON2_PARTIAL_ROUNDS, POSEIDON2_WIDTH,
 };
 use crate::{BABYBEAR_BEGIN_EXT_CONSTS, BABYBEAR_END_EXT_CONSTS, BABYBEAR_PARTIAL_CONSTS};
 
@@ -33,12 +30,12 @@ pub struct Poseidon2Constants<F> {
     pub ending_full_round_constants: [[F; POSEIDON2_WIDTH]; BABY_BEAR_POSEIDON2_HALF_FULL_ROUNDS],
 }
 
-impl<F: Field> Into<Plonky3RoundConstants<F>> for Poseidon2Constants<F> {
-    fn into(self) -> Plonky3RoundConstants<F> {
+impl<F: Field> From<Poseidon2Constants<F>> for Plonky3RoundConstants<F> {
+    fn from(constants: Poseidon2Constants<F>) -> Self {
         Plonky3RoundConstants::new(
-            self.beginning_full_round_constants,
-            self.partial_round_constants,
-            self.ending_full_round_constants,
+            constants.beginning_full_round_constants,
+            constants.partial_round_constants,
+            constants.ending_full_round_constants,
         )
     }
 }