diff --git a/tests/integration/multinodes.nim b/tests/integration/multinodes.nim
index b09507f7..f31d6802 100644
--- a/tests/integration/multinodes.nim
+++ b/tests/integration/multinodes.nim
@@ -196,7 +196,6 @@ template multinodesuite*(name: string, body: untyped) =
     proc startClientNode(conf: CodexConfig): Future[NodeProcess] {.async.} =
       let clientIdx = clients().len
       var config = conf
-      config.addCliOption(StartUpCmd.persistence, "--eth-provider", "http://localhost:8545")
       config.addCliOption(StartUpCmd.persistence, "--eth-account", $accounts[running.len])
       return await newCodexProcess(clientIdx, config, Role.Client)
 
@@ -204,7 +203,6 @@ template multinodesuite*(name: string, body: untyped) =
       let providerIdx = providers().len
       var config = conf
       config.addCliOption("--bootstrap-node", bootstrap)
-      config.addCliOption(StartUpCmd.persistence, "--eth-provider", "http://localhost:8545")
       config.addCliOption(StartUpCmd.persistence, "--eth-account", $accounts[running.len])
       config.addCliOption(PersistenceCmd.prover, "--circom-r1cs",
         "vendor/codex-contracts-eth/verifier/networks/hardhat/proof_main.r1cs")
@@ -219,7 +217,6 @@ template multinodesuite*(name: string, body: untyped) =
       let validatorIdx = validators().len
       var config = conf
       config.addCliOption("--bootstrap-node", bootstrap)
-      config.addCliOption(StartUpCmd.persistence, "--eth-provider", "http://localhost:8545")
       config.addCliOption(StartUpCmd.persistence, "--eth-account", $accounts[running.len])
       config.addCliOption(StartUpCmd.persistence, "--validator")
 
@@ -264,10 +261,7 @@ template multinodesuite*(name: string, body: untyped) =
           quit(1)
 
       try:
-        # Workaround for https://github.com/NomicFoundation/hardhat/issues/2053
-        # Do not use websockets, but use http and polling to stop subscriptions
-        # from being removed after 5 minutes
-        ethProvider = JsonRpcProvider.new("http://localhost:8545")
+        ethProvider = JsonRpcProvider.new("ws://localhost:8545")
         # if hardhat was NOT started by the test, take a snapshot so it can be
         # reverted in the test teardown
         if nodeConfigs.hardhat.isNone:
diff --git a/tests/integration/twonodes.nim b/tests/integration/twonodes.nim
index 1cc2ae89..abf20c57 100644
--- a/tests/integration/twonodes.nim
+++ b/tests/integration/twonodes.nim
@@ -43,7 +43,6 @@ template twonodessuite*(name: string, debug1, debug2: string, body) =
         "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs",
         "--circom-wasm=tests/circuits/fixtures/proof_main.wasm",
         "--circom-zkey=tests/circuits/fixtures/proof_main.zkey",
-        "--eth-provider=http://localhost:8545",
         "--eth-account=" & $account1
       ]
 
@@ -68,7 +67,6 @@ template twonodessuite*(name: string, debug1, debug2: string, body) =
         "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs",
         "--circom-wasm=tests/circuits/fixtures/proof_main.wasm",
         "--circom-zkey=tests/circuits/fixtures/proof_main.zkey",
-        "--eth-provider=http://localhost:8545",
         "--eth-account=" & $account2
       ]
 
diff --git a/vendor/codex-contracts-eth b/vendor/codex-contracts-eth
index 11ccefd7..cc69f3a3 160000
--- a/vendor/codex-contracts-eth
+++ b/vendor/codex-contracts-eth
@@ -1 +1 @@
-Subproject commit 11ccefd720f1932608b67db95af5b72d73d1257b
+Subproject commit cc69f3a3ae7001baa2425e5cbb90f7b1b2cab05b