diff --git a/rskj-core/src/test/java/org/ethereum/rpc/Web3ImplTest.java b/rskj-core/src/test/java/org/ethereum/rpc/Web3ImplTest.java
index a4a5b90c9cb..dc651c0d29d 100644
--- a/rskj-core/src/test/java/org/ethereum/rpc/Web3ImplTest.java
+++ b/rskj-core/src/test/java/org/ethereum/rpc/Web3ImplTest.java
@@ -3119,14 +3119,12 @@ private void assertInvalidInput(Function<Map, String> toInvoke) {
 
     //Chain Param Object creations
     private class ChainParams {
-        private final World world;
         private final Web3Impl web3;
         private final String accountAddress;
         private final Block block;
         private CallArguments argsForCall; // for call tests could be null
 
         private ChainParams(World world, String accountAddress, Block block) {
-            this.world = world;
             this.web3 = createWeb3(world);
             this.accountAddress = accountAddress;
             this.block = block;