diff --git a/guests/reth-ethereum/Cargo.lock b/guests/reth-ethereum/Cargo.lock
index 294fb562..f7bf3b7c 100644
--- a/guests/reth-ethereum/Cargo.lock
+++ b/guests/reth-ethereum/Cargo.lock
@@ -795,7 +795,7 @@ dependencies = [
 [[package]]
 name = "c-kzg"
 version = "1.0.3"
-source = "git+https://github.com/risc0/c-kzg-4844.git?branch=p1.0.3#795934e2e8768d0a4dcb79e280e58fd73d6c9e17"
+source = "git+https://github.com/risc0/c-kzg-4844.git?branch=p1.0.3#a42f908740c7e7d66b2d8b9846eeab67cf5fb76c"
 dependencies = [
  "blst",
  "cc",
@@ -3948,10 +3948,7 @@ dependencies = [
 name = "zeth-guests-reth-ethereum"
 version = "0.1.0"
 dependencies = [
- "anyhow",
  "c-kzg",
- "lazy_static",
- "reth-chainspec",
  "risc0-zkvm",
  "risc0-zkvm-platform",
  "zeth-core",
diff --git a/guests/reth-ethereum/Cargo.toml b/guests/reth-ethereum/Cargo.toml
index c461f624..8b33eb70 100644
--- a/guests/reth-ethereum/Cargo.toml
+++ b/guests/reth-ethereum/Cargo.toml
@@ -34,13 +34,7 @@ path = "../../crates/core-ethereum"
 default-features = false
 
 [dependencies]
-anyhow = { version = "1.0.86", default-features = false }
 c-kzg = { version = "=1.0.3", features = ["risc0-ffi"] }
-lazy_static = "1.5.0"
-
-reth-chainspec = { git = "https://github.com/risc0/reth", branch = "p1.1.0_zstd", default-features = false, features = [
-    "std",
-] }
 
 [patch.crates-io]
 c-kzg = { git = "https://github.com/risc0/c-kzg-4844.git", branch = "p1.0.3" }
diff --git a/guests/reth-ethereum/src/main.rs b/guests/reth-ethereum/src/main.rs
index a4be958d..2db0d6a5 100644
--- a/guests/reth-ethereum/src/main.rs
+++ b/guests/reth-ethereum/src/main.rs
@@ -12,20 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// use c_kzg::KzgSettings;
 use risc0_zkvm::guest::env;
 use zeth_core::db::trie::TrieDB;
 use zeth_core::stateless::client::StatelessClient;
 use zeth_core_ethereum::{RethCoreDriver, RethStatelessClient};
-// todo: use this instead of the alloy KzgEnv to save cycles
-// lazy_static::lazy_static! {
-//     /// KZG Ceremony data
-//     pub static ref KZG: (Vec<u8>, KzgSettings) = {
-//         let mut data = Vec::from(include_bytes!("../kzg_settings_raw.bin"));
-//         let settings = KzgSettings::from_u8_slice(&mut data);
-//         (data, settings)
-//     };
-// }
 
 #[no_mangle]
 pub extern "C" fn __ctzsi2(x: u32) -> usize {
diff --git a/guests/reth-optimism/Cargo.lock b/guests/reth-optimism/Cargo.lock
index ca2cc5c4..0f25a72b 100644
--- a/guests/reth-optimism/Cargo.lock
+++ b/guests/reth-optimism/Cargo.lock
@@ -771,7 +771,7 @@ dependencies = [
 [[package]]
 name = "c-kzg"
 version = "1.0.3"
-source = "git+https://github.com/risc0/c-kzg-4844.git?branch=p1.0.3#795934e2e8768d0a4dcb79e280e58fd73d6c9e17"
+source = "git+https://github.com/risc0/c-kzg-4844.git?branch=p1.0.3#a42f908740c7e7d66b2d8b9846eeab67cf5fb76c"
 dependencies = [
  "blst",
  "cc",
@@ -3991,10 +3991,7 @@ dependencies = [
 name = "zeth-guests-reth-optimism"
 version = "0.1.0"
 dependencies = [
- "anyhow",
  "c-kzg",
- "lazy_static",
- "reth-optimism-chainspec",
  "risc0-zkvm",
  "risc0-zkvm-platform",
  "zeth-core",
diff --git a/guests/reth-optimism/Cargo.toml b/guests/reth-optimism/Cargo.toml
index c8be82de..6b981d83 100644
--- a/guests/reth-optimism/Cargo.toml
+++ b/guests/reth-optimism/Cargo.toml
@@ -34,13 +34,7 @@ path = "../../crates/core-optimism"
 default-features = false
 
 [dependencies]
-anyhow = { version = "1.0.86", default-features = false }
 c-kzg = { version = "=1.0.3", features = ["risc0-ffi"] }
-lazy_static = "1.5.0"
-
-reth-optimism-chainspec = { git = "https://github.com/risc0/reth", branch = "p1.1.0_zstd", default-features = false, features = [
-    "std",
-] }
 
 [patch.crates-io]
 c-kzg = { git = "https://github.com/risc0/c-kzg-4844.git", branch = "p1.0.3" }
diff --git a/guests/reth-optimism/src/main.rs b/guests/reth-optimism/src/main.rs
index 7a376bc5..e86f9c36 100644
--- a/guests/reth-optimism/src/main.rs
+++ b/guests/reth-optimism/src/main.rs
@@ -12,20 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// use c_kzg::KzgSettings;
 use risc0_zkvm::guest::env;
 use zeth_core::db::trie::TrieDB;
 use zeth_core::stateless::client::StatelessClient;
 use zeth_core_optimism::{OpRethCoreDriver, OpRethStatelessClient};
-// todo: use this instead of the alloy KzgEnv to save cycles
-// lazy_static::lazy_static! {
-//     /// KZG Ceremony data
-//     pub static ref KZG: (Vec<u8>, KzgSettings) = {
-//         let mut data = Vec::from(include_bytes!("../kzg_settings_raw.bin"));
-//         let settings = KzgSettings::from_u8_slice(&mut data);
-//         (data, settings)
-//     };
-// }
 
 #[no_mangle]
 pub extern "C" fn __ctzsi2(x: u32) -> usize {