From 15fe5632c77f7736e52baf07181043375700a957 Mon Sep 17 00:00:00 2001
From: Kevin Jue <kjue235@gmail.com>
Date: Sun, 18 Feb 2024 15:00:15 -0800
Subject: [PATCH] some deserialization stuff

---
 core/src/stark/types.rs |  4 ----
 core/src/utils/prove.rs | 11 ++---------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/core/src/stark/types.rs b/core/src/stark/types.rs
index e2ef76298c..c55ee198ff 100644
--- a/core/src/stark/types.rs
+++ b/core/src/stark/types.rs
@@ -129,10 +129,6 @@ pub struct ShardOpenedValues<T: Serialize> {
 
 #[cfg(feature = "perf")]
 #[derive(Serialize, Deserialize)]
-#[serde(bound(
-    serialize = "SC: StarkGenericConfig",
-    deserialize = "SC: StarkGenericConfig"
-))]
 pub struct ShardProof<SC: StarkGenericConfig> {
     pub index: usize,
     pub commitment: ShardCommitment<Com<SC>>,
diff --git a/core/src/utils/prove.rs b/core/src/utils/prove.rs
index 318faa3755..23fb9326cd 100644
--- a/core/src/utils/prove.rs
+++ b/core/src/utils/prove.rs
@@ -467,6 +467,8 @@ pub(super) mod baby_bear_blake3 {
     type Pcs =
         TwoAdicFriPcs<TwoAdicFriPcsConfig<Val, Challenge, Challenger, Dft, ValMmcs, ChallengeMmcs>>;
 
+    #[derive(Deserialize)]
+    #[serde(from = "std::marker::PhantomData<BabyBearBlake3>")]
     pub struct BabyBearBlake3 {
         perm: Perm,
         pcs: Pcs,
@@ -488,15 +490,6 @@ pub(super) mod baby_bear_blake3 {
         }
     }
 
-    impl<'de> Deserialize<'de> for BabyBearBlake3 {
-        fn deserialize<D>(_deserializer: D) -> Result<Self, D::Error>
-        where
-            D: serde::Deserializer<'de>,
-        {
-            Ok(Self::new())
-        }
-    }
-
     impl BabyBearBlake3 {
         pub fn new() -> Self {
             let perm = Perm::new(8, 22, RC_16_30.to_vec(), DiffusionMatrixBabybear);