diff --git a/crates/chainspec/src/constants/mod.rs b/crates/chainspec/src/constants/mod.rs
index 9af4f946b92d..cde927189c8b 100644
--- a/crates/chainspec/src/constants/mod.rs
+++ b/crates/chainspec/src/constants/mod.rs
@@ -10,40 +10,3 @@ pub(crate) const MAINNET_DEPOSIT_CONTRACT: DepositContract = DepositContract::ne
 
 #[cfg(feature = "optimism")]
 pub(crate) mod optimism;
-
-#[cfg(test)]
-mod tests {
-    use alloy_eips::calc_next_block_base_fee;
-
-    #[test]
-    fn calculate_base_fee_success() {
-        let base_fee = [
-            1000000000, 1000000000, 1000000000, 1072671875, 1059263476, 1049238967, 1049238967, 0,
-            1, 2,
-        ];
-        let gas_used = [
-            10000000, 10000000, 10000000, 9000000, 10001000, 0, 10000000, 10000000, 10000000,
-            10000000,
-        ];
-        let gas_limit = [
-            10000000, 12000000, 14000000, 10000000, 14000000, 2000000, 18000000, 18000000,
-            18000000, 18000000,
-        ];
-        let next_base_fee = [
-            1125000000, 1083333333, 1053571428, 1179939062, 1116028649, 918084097, 1063811730, 1,
-            2, 3,
-        ];
-
-        for i in 0..base_fee.len() {
-            assert_eq!(
-                next_base_fee[i],
-                calc_next_block_base_fee(
-                    gas_used[i] as u128,
-                    gas_limit[i] as u128,
-                    base_fee[i] as u128,
-                    crate::BaseFeeParams::ethereum(),
-                ) as u64
-            );
-        }
-    }
-}
diff --git a/crates/chainspec/src/constants/optimism.rs b/crates/chainspec/src/constants/optimism.rs
index d4a1de6d0ea4..1c32df6f37ed 100644
--- a/crates/chainspec/src/constants/optimism.rs
+++ b/crates/chainspec/src/constants/optimism.rs
@@ -44,105 +44,3 @@ pub(crate) const OP_CANYON_BASE_FEE_PARAMS: BaseFeeParams = BaseFeeParams {
     max_change_denominator: OP_MAINNET_EIP1559_BASE_FEE_MAX_CHANGE_DENOMINATOR_CANYON,
     elasticity_multiplier: OP_MAINNET_EIP1559_DEFAULT_ELASTICITY_MULTIPLIER,
 };
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use alloy_eips::calc_next_block_base_fee;
-
-    #[test]
-    fn calculate_optimism_base_fee_success() {
-        let base_fee = [
-            1000000000, 1000000000, 1000000000, 1072671875, 1059263476, 1049238967, 1049238967, 0,
-            1, 2,
-        ];
-        let gas_used = [
-            10000000, 10000000, 10000000, 9000000, 10001000, 0, 10000000, 10000000, 10000000,
-            10000000,
-        ];
-        let gas_limit = [
-            10000000, 12000000, 14000000, 10000000, 14000000, 2000000, 18000000, 18000000,
-            18000000, 18000000,
-        ];
-        let next_base_fee = [
-            1100000048, 1080000000, 1065714297, 1167067046, 1128881311, 1028254188, 1098203452, 1,
-            2, 3,
-        ];
-
-        for i in 0..base_fee.len() {
-            assert_eq!(
-                next_base_fee[i],
-                calc_next_block_base_fee(
-                    gas_used[i] as u128,
-                    gas_limit[i] as u128,
-                    base_fee[i] as u128,
-                    OP_BASE_FEE_PARAMS,
-                ) as u64
-            );
-        }
-    }
-
-    #[test]
-    fn calculate_optimism_sepolia_base_fee_success() {
-        let base_fee = [
-            1000000000, 1000000000, 1000000000, 1072671875, 1059263476, 1049238967, 1049238967, 0,
-            1, 2,
-        ];
-        let gas_used = [
-            10000000, 10000000, 10000000, 9000000, 10001000, 0, 10000000, 10000000, 10000000,
-            10000000,
-        ];
-        let gas_limit = [
-            10000000, 12000000, 14000000, 10000000, 14000000, 2000000, 18000000, 18000000,
-            18000000, 18000000,
-        ];
-        let next_base_fee = [
-            1100000048, 1080000000, 1065714297, 1167067046, 1128881311, 1028254188, 1098203452, 1,
-            2, 3,
-        ];
-
-        for i in 0..base_fee.len() {
-            assert_eq!(
-                next_base_fee[i],
-                calc_next_block_base_fee(
-                    gas_used[i] as u128,
-                    gas_limit[i] as u128,
-                    base_fee[i] as u128,
-                    OP_SEPOLIA_BASE_FEE_PARAMS,
-                ) as u64
-            );
-        }
-    }
-
-    #[test]
-    fn calculate_base_sepolia_base_fee_success() {
-        let base_fee = [
-            1000000000, 1000000000, 1000000000, 1072671875, 1059263476, 1049238967, 1049238967, 0,
-            1, 2,
-        ];
-        let gas_used = [
-            10000000, 10000000, 10000000, 9000000, 10001000, 0, 10000000, 10000000, 10000000,
-            10000000,
-        ];
-        let gas_limit = [
-            10000000, 12000000, 14000000, 10000000, 14000000, 2000000, 18000000, 18000000,
-            18000000, 18000000,
-        ];
-        let next_base_fee = [
-            1180000000, 1146666666, 1122857142, 1244299375, 1189416692, 1028254188, 1144836295, 1,
-            2, 3,
-        ];
-
-        for i in 0..base_fee.len() {
-            assert_eq!(
-                next_base_fee[i],
-                calc_next_block_base_fee(
-                    gas_used[i] as u128,
-                    gas_limit[i] as u128,
-                    base_fee[i] as u128,
-                    BASE_SEPOLIA_BASE_FEE_PARAMS,
-                ) as u64
-            );
-        }
-    }
-}