diff --git a/evm-tests/src/subtensor.ts b/evm-tests/src/subtensor.ts
index b1ff81803..9b351628d 100644
--- a/evm-tests/src/subtensor.ts
+++ b/evm-tests/src/subtensor.ts
@@ -268,15 +268,6 @@ export async function setMinDelegateTake(api: TypedApi<typeof devnet>, minDelega
     assert.equal(minDelegateTake, await api.query.SubtensorModule.MinDelegateTake.getValue())
 }
 
-export async function becomeDelegate(api: TypedApi<typeof devnet>, ss58Address: string, keypair: KeyPair) {
-    const signer = getSignerFromKeypair(keypair)
-
-    const tx = api.tx.SubtensorModule.become_delegate({
-        hotkey: ss58Address
-    })
-    await waitForTransactionWithRetry(api, tx, signer)
-}
-
 export async function addStake(api: TypedApi<typeof devnet>, netuid: number, ss58Address: string, amount_staked: bigint, keypair: KeyPair) {
     const signer = getSignerFromKeypair(keypair)
     let tx = api.tx.SubtensorModule.add_stake({
diff --git a/evm-tests/test/staking.precompile.reward.test.ts b/evm-tests/test/staking.precompile.reward.test.ts
index 3735329ff..79ad97751 100644
--- a/evm-tests/test/staking.precompile.reward.test.ts
+++ b/evm-tests/test/staking.precompile.reward.test.ts
@@ -7,7 +7,7 @@ import { tao } from "../src/balance-math"
 import {
     forceSetBalanceToSs58Address, addNewSubnetwork, burnedRegister,
     setTxRateLimit, setTempo, setWeightsSetRateLimit, setSubnetOwnerCut, setMaxAllowedUids,
-    setMinDelegateTake, becomeDelegate, setActivityCutoff, addStake, setWeight, rootRegister,
+    setMinDelegateTake, setActivityCutoff, addStake, setWeight, rootRegister,
     startCall
 } from "../src/subtensor"
 
@@ -52,8 +52,6 @@ describe("Test neuron precompile reward", () => {
         await setActivityCutoff(api, netuid, 65535)
         await setMaxAllowedUids(api, netuid, 65535)
         await setMinDelegateTake(api, 0)
-        await becomeDelegate(api, convertPublicKeyToSs58(validator.publicKey), coldkey)
-        await becomeDelegate(api, convertPublicKeyToSs58(miner.publicKey), coldkey)
     })
 
     it("Staker receives rewards", async () => {
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 7675c962c..f0dce12ca 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -220,7 +220,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 307,
+    spec_version: 308,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,