diff --git a/src/Nethermind/Nethermind.Optimism/OptimismChainSpecEngineParameters.cs b/src/Nethermind/Nethermind.Optimism/OptimismChainSpecEngineParameters.cs
index 37f14bb91c1..5b04a0015f7 100644
--- a/src/Nethermind/Nethermind.Optimism/OptimismChainSpecEngineParameters.cs
+++ b/src/Nethermind/Nethermind.Optimism/OptimismChainSpecEngineParameters.cs
@@ -37,22 +37,6 @@ public class OptimismChainSpecEngineParameters : IChainSpecEngineParameters
 
     public byte[]? Create2DeployerCode { get; set; }
 
-    public void AddTransitions(SortedSet<long> blockNumbers, SortedSet<ulong> timestamps)
-    {
-        ArgumentNullException.ThrowIfNull(BedrockBlockNumber);
-        ArgumentNullException.ThrowIfNull(RegolithTimestamp);
-        ArgumentNullException.ThrowIfNull(CanyonTimestamp);
-        ArgumentNullException.ThrowIfNull(EcotoneTimestamp);
-        ArgumentNullException.ThrowIfNull(FjordTimestamp);
-        ArgumentNullException.ThrowIfNull(GraniteTimestamp);
-        blockNumbers.Add(BedrockBlockNumber.Value);
-        timestamps.Add(RegolithTimestamp.Value);
-        timestamps.Add(CanyonTimestamp.Value);
-        timestamps.Add(EcotoneTimestamp.Value);
-        timestamps.Add(FjordTimestamp.Value);
-        timestamps.Add(GraniteTimestamp.Value);
-    }
-
     public void ApplyToReleaseSpec(ReleaseSpec spec, long startBlock, ulong? startTimestamp)
     {
         ArgumentNullException.ThrowIfNull(CanyonBaseFeeChangeDenominator);