diff --git a/lib/lambda_ethereum_consensus/state_transition/operations.ex b/lib/lambda_ethereum_consensus/state_transition/operations.ex
index 8f7d8f5d6..7128971c6 100644
--- a/lib/lambda_ethereum_consensus/state_transition/operations.ex
+++ b/lib/lambda_ethereum_consensus/state_transition/operations.ex
@@ -3,7 +3,6 @@ defmodule LambdaEthereumConsensus.StateTransition.Operations do
   This module contains functions for handling state transition
   """
 
-  alias LambdaEthereumConsensus.Engine
   alias LambdaEthereumConsensus.StateTransition.{Accessors, Math, Misc, Mutators, Predicates}
   alias LambdaEthereumConsensus.Utils.BitVector
   alias SszTypes.BeaconBlockBody