diff --git a/estimator.go b/estimator.go
index 844ad14b..4627d3f5 100644
--- a/estimator.go
+++ b/estimator.go
@@ -829,16 +829,3 @@ func V3Simulate(provider *ethrpc.Provider, wallet common.Address, transactions T
 func Simulate(provider *ethrpc.Provider, wallet common.Address, transactions Transactions, block string, overrides map[common.Address]*CallOverride) ([]SimulatorResult, error) {
 	return V3Simulate(provider, wallet, transactions, block, overrides)
 }
-
-func RandomNonceV3() *big.Int {
-	// Generate a random space using current time nanoseconds
-	space := big.NewInt(int64(time.Now().Nanosecond()))
-
-	// Ensure space is within 15 bytes (120 bits) as per v3 requirements
-	maxSpace := new(big.Int)
-	maxSpace.SetString("ffffffffffffffffffffffffffffff", 16)
-	space.Mod(space, maxSpace)
-
-	// For v3, we directly use the space as the nonce since v3 has different nonce handling
-	return space
-}
diff --git a/estimator_test.go b/estimator_test.go
index d5b63661..7369798d 100644
--- a/estimator_test.go
+++ b/estimator_test.go
@@ -1150,7 +1150,6 @@ func TestEstimateSequenceMultipleSigners(t *testing.T) {
 			&sequence.Transaction{
 				To:    callmockContract.Address,
 				Data:  calldata,
-				Nonce: testChain.RandomNonceV3(),
 			},
 		}
 
@@ -1853,7 +1852,6 @@ func TestEstimateIssue5367MultipleSignersTime(t *testing.T) {
 			&sequence.Transaction{
 				To:    callmockContract.Address,
 				Data:  calldata,
-				Nonce: testChain.RandomNonceV3(),
 			},
 		}
 
@@ -1868,9 +1866,3 @@ func TestEstimateIssue5367MultipleSignersTime(t *testing.T) {
 		}
 	})
 }
-
-func TestRandomNonceV3(t *testing.T) {
-	nonce := sequence.RandomNonceV3()
-
-	assert.True(t, nonce.Cmp(big.NewInt(0)) >= 0)
-}
diff --git a/testutil/testutil.go b/testutil/testutil.go
index c3b456de..11c382e5 100644
--- a/testutil/testutil.go
+++ b/testutil/testutil.go
@@ -583,17 +583,6 @@ func (c *TestChain) RandomNonce() *big.Int {
 	return encoded
 }
 
-func (c *TestChain) RandomNonceV3() *big.Int {
-	// Generate a random space using current time nanoseconds
-	space := big.NewInt(int64(time.Now().Nanosecond()))
-
-	// Ensure space is within 15 bytes (120 bits) as per v3 requirements
-	maxSpace := new(big.Int).Lsh(big.NewInt(1), 120) // 15 bytes = 120 bits
-	space.Mod(space, maxSpace)
-
-	return space
-}
-
 // ... existing code ...
 func (c *TestChain) V1DummySequenceWallet(seed uint64, optSkipDeploy ...bool) (*sequence.Wallet[core.WalletConfig], error) {
 	// Generate a single-owner sequence wallet based on a private key generated from seed above