diff --git a/docker-compose.yml b/docker-compose.yml
index e6dcb4fd5..cb31405dc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 services:
 
   chain:
-    image: docker-regis.iex.ec/poco-chain:1.0.0-poco-v5.5.0-voucher-v1.0.0-nethermind
+    image: docker-regis.iex.ec/poco-chain:1.2.2-poco-v6.2.0-contracts-nethermind
     expose:
       - "8545"
 
diff --git a/gradle.properties b/gradle.properties
index 4f462100a..5a4a7cd65 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 # x-release-please-start-version
 version=9.2.0
 # x-release-please-end
-iexecCommonsPocoVersion=5.3.1
+iexecCommonsPocoVersion=5.4.0
 iexecCommonVersion=9.2.0
 iexecCommonsContainersVersion=2.0.0
 iexecResultVersion=9.0.0
diff --git a/src/main/java/com/iexec/worker/chain/IexecHubService.java b/src/main/java/com/iexec/worker/chain/IexecHubService.java
index ad350dde8..d609a8cca 100644
--- a/src/main/java/com/iexec/worker/chain/IexecHubService.java
+++ b/src/main/java/com/iexec/worker/chain/IexecHubService.java
@@ -242,10 +242,6 @@ Optional<ChainAccount> getChainAccount() {
         return getChainAccount(signerService.getAddress());
     }
 
-    public boolean hasEnoughGas() {
-        return web3jService.hasEnoughGas(signerService.getAddress());
-    }
-
     public long getLatestBlockNumber() {
         return web3jService.getLatestBlockNumber();
     }