diff --git a/common/constants.go b/common/constants.go
index ad2828aeec58..cde3ac972bc6 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -36,6 +36,8 @@ var TIP2019Block = big.NewInt(1)
 var TIPSigning = big.NewInt(3000000)
 var TIPRandomize = big.NewInt(3464000)
 
+var TIPV2SwitchBlock = big.NewInt(99999999999)
+
 var TIPIncreaseMasternodes = big.NewInt(5000000) // Upgrade MN Count at Block.
 var TIPNoHalvingMNReward = big.NewInt(38383838)  // hardfork no halving masternodes reward
 var BlackListHFNumber = uint64(38383838)
diff --git a/common/constants/constants.go.devnet b/common/constants/constants.go.devnet
index dbf98083429c..1bcdf676cace 100644
--- a/common/constants/constants.go.devnet
+++ b/common/constants/constants.go.devnet
@@ -36,6 +36,8 @@ var TIP2019Block = big.NewInt(1)
 var TIPSigning = big.NewInt(225000)
 var TIPRandomize = big.NewInt(225000)
 
+var TIPV2SwitchBlock = big.NewInt(7074000)
+
 var TIPIncreaseMasternodes = big.NewInt(225000) // Upgrade MN Count at Block.
 var TIPNoHalvingMNReward = big.NewInt(429987)   // hardfork no halving masternodes reward
 var BlackListHFNumber = uint64(225000)
diff --git a/consensus/tests/engine_v2_tests/authorised_masternode_test.go b/consensus/tests/engine_v2_tests/authorised_masternode_test.go
index 316adb0f154d..d93a5747f12d 100644
--- a/consensus/tests/engine_v2_tests/authorised_masternode_test.go
+++ b/consensus/tests/engine_v2_tests/authorised_masternode_test.go
@@ -34,7 +34,7 @@ func TestIsAuthorisedMNForConsensusV2(t *testing.T) {
 func TestIsYourTurnConsensusV2(t *testing.T) {
 	// we skip test for v1 since it's hard to make a real genesis block
 	blockchain, _, currentBlock, signer, signFn, _ := PrepareXDCTestBlockChainForV2Engine(t, 900, params.TestXDPoSMockChainConfig, nil)
-	minePeriod := params.TestV2Configs[0].MinePeriod
+	minePeriod := params.UnitTestV2Configs[0].MinePeriod
 	adaptor := blockchain.Engine().(*XDPoS.XDPoS)
 	blockNum := 901
 	blockCoinBase := "0x111000000000000000000000000000000123"
diff --git a/consensus/tests/engine_v2_tests/timeout_test.go b/consensus/tests/engine_v2_tests/timeout_test.go
index 870fb73c570d..5d78b99c598c 100644
--- a/consensus/tests/engine_v2_tests/timeout_test.go
+++ b/consensus/tests/engine_v2_tests/timeout_test.go
@@ -140,7 +140,7 @@ func TestTimeoutPeriodAndThreadholdConfigChange(t *testing.T) {
 
 // Timeout handler
 func TestTimeoutMessageHandlerSuccessfullyGenerateTCandSyncInfo(t *testing.T) {
-	params.TestXDPoSMockChainConfig.XDPoS.V2.CurrentConfig = params.TestV2Configs[0]
+	params.TestXDPoSMockChainConfig.XDPoS.V2.CurrentConfig = params.UnitTestV2Configs[0]
 	blockchain, _, _, _, _, _ := PrepareXDCTestBlockChainForV2Engine(t, 11, params.TestXDPoSMockChainConfig, nil)
 	engineV2 := blockchain.Engine().(*XDPoS.XDPoS).EngineV2
 
diff --git a/params/config.go b/params/config.go
index c722eb1bfcd9..dbb945f4ec78 100644
--- a/params/config.go
+++ b/params/config.go
@@ -57,7 +57,8 @@ var (
 			MinePeriod:           10,
 		},
 	}
-	TestV2Configs = map[uint64]*V2Config{
+
+	TestnetV2Configs = map[uint64]*V2Config{
 		Default: {
 			SwitchRound:          0,
 			CertThreshold:        3,
@@ -66,22 +67,6 @@ var (
 			WaitPeriod:           1,
 			MinePeriod:           2,
 		},
-		10: {
-			SwitchRound:          10,
-			CertThreshold:        5,
-			TimeoutSyncThreshold: 2,
-			TimeoutPeriod:        4,
-			WaitPeriod:           2,
-			MinePeriod:           3,
-		},
-		899: {
-			SwitchRound:          899,
-			CertThreshold:        5,
-			TimeoutSyncThreshold: 4,
-			TimeoutPeriod:        5,
-			WaitPeriod:           2,
-			MinePeriod:           3,
-		},
 	}
 
 	DevnetV2Configs = map[uint64]*V2Config{
@@ -135,6 +120,33 @@ var (
 		},
 	}
 
+	UnitTestV2Configs = map[uint64]*V2Config{
+		Default: {
+			SwitchRound:          0,
+			CertThreshold:        3,
+			TimeoutSyncThreshold: 2,
+			TimeoutPeriod:        4,
+			WaitPeriod:           1,
+			MinePeriod:           2,
+		},
+		10: {
+			SwitchRound:          10,
+			CertThreshold:        5,
+			TimeoutSyncThreshold: 2,
+			TimeoutPeriod:        4,
+			WaitPeriod:           2,
+			MinePeriod:           3,
+		},
+		899: {
+			SwitchRound:          899,
+			CertThreshold:        5,
+			TimeoutSyncThreshold: 4,
+			TimeoutPeriod:        5,
+			WaitPeriod:           2,
+			MinePeriod:           3,
+		},
+	}
+
 	// XDPoSChain mainnet config
 	XDCMainnetChainConfig = &ChainConfig{
 		ChainId:        big.NewInt(50),
@@ -152,7 +164,7 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("xdc92a289fe95a85c53b8d0d113cbaef0c1ec98ac65"),
 			V2: &V2{
-				SwitchBlock:   big.NewInt(9999999999),
+				SwitchBlock:   common.TIPV2SwitchBlock,
 				CurrentConfig: MainnetV2Configs[0],
 				AllConfigs:    MainnetV2Configs,
 			},
@@ -194,9 +206,9 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("xdc746249c61f5832c5eed53172776b460491bdcd5c"),
 			V2: &V2{
-				SwitchBlock:      big.NewInt(900),
-				CurrentConfig:    TestV2Configs[0],
-				AllConfigs:       TestV2Configs,
+				SwitchBlock:      common.TIPV2SwitchBlock,
+				CurrentConfig:    TestnetV2Configs[0],
+				AllConfigs:       TestnetV2Configs,
 				SkipV2Validation: true,
 			},
 		},
@@ -219,7 +231,7 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("0x746249c61f5832c5eed53172776b460491bdcd5c"),
 			V2: &V2{
-				SwitchBlock:   big.NewInt(7074000),
+				SwitchBlock:   common.TIPV2SwitchBlock,
 				CurrentConfig: DevnetV2Configs[0],
 				AllConfigs:    DevnetV2Configs,
 			},
@@ -286,8 +298,8 @@ var (
 			Reward:              250,
 			V2: &V2{
 				SwitchBlock:   big.NewInt(900),
-				CurrentConfig: TestV2Configs[0],
-				AllConfigs:    TestV2Configs,
+				CurrentConfig: UnitTestV2Configs[0],
+				AllConfigs:    UnitTestV2Configs,
 			},
 		},
 	}
diff --git a/params/config_test.go b/params/config_test.go
index 8992e15b4f73..7d31c57337dc 100644
--- a/params/config_test.go
+++ b/params/config_test.go
@@ -83,37 +83,37 @@ func TestCheckCompatible(t *testing.T) {
 }
 
 func TestUpdateV2Config(t *testing.T) {
-	TestnetChainConfig.XDPoS.V2.BuildConfigIndex()
-	c := TestnetChainConfig.XDPoS.V2.CurrentConfig
+	TestXDPoSMockChainConfig.XDPoS.V2.BuildConfigIndex()
+	c := TestXDPoSMockChainConfig.XDPoS.V2.CurrentConfig
 	assert.Equal(t, 3, c.CertThreshold)
 
-	TestnetChainConfig.XDPoS.V2.UpdateConfig(10)
-	c = TestnetChainConfig.XDPoS.V2.CurrentConfig
+	TestXDPoSMockChainConfig.XDPoS.V2.UpdateConfig(10)
+	c = TestXDPoSMockChainConfig.XDPoS.V2.CurrentConfig
 	assert.Equal(t, 5, c.CertThreshold)
 
-	TestnetChainConfig.XDPoS.V2.UpdateConfig(899)
-	c = TestnetChainConfig.XDPoS.V2.CurrentConfig
+	TestXDPoSMockChainConfig.XDPoS.V2.UpdateConfig(899)
+	c = TestXDPoSMockChainConfig.XDPoS.V2.CurrentConfig
 	assert.Equal(t, 4, c.TimeoutSyncThreshold)
 }
 
 func TestV2Config(t *testing.T) {
-	TestnetChainConfig.XDPoS.V2.BuildConfigIndex()
-	c := TestnetChainConfig.XDPoS.V2.Config(1)
+	TestXDPoSMockChainConfig.XDPoS.V2.BuildConfigIndex()
+	c := TestXDPoSMockChainConfig.XDPoS.V2.Config(1)
 	assert.Equal(t, 3, c.CertThreshold)
 
-	c = TestnetChainConfig.XDPoS.V2.Config(5)
+	c = TestXDPoSMockChainConfig.XDPoS.V2.Config(5)
 	assert.Equal(t, 3, c.CertThreshold)
 
-	c = TestnetChainConfig.XDPoS.V2.Config(10)
+	c = TestXDPoSMockChainConfig.XDPoS.V2.Config(10)
 	assert.Equal(t, 3, c.CertThreshold)
 
-	c = TestnetChainConfig.XDPoS.V2.Config(11)
+	c = TestXDPoSMockChainConfig.XDPoS.V2.Config(11)
 	assert.Equal(t, 5, c.CertThreshold)
 }
 
 func TestBuildConfigIndex(t *testing.T) {
-	TestnetChainConfig.XDPoS.V2.BuildConfigIndex()
-	index := TestnetChainConfig.XDPoS.V2.ConfigIndex()
+	TestXDPoSMockChainConfig.XDPoS.V2.BuildConfigIndex()
+	index := TestXDPoSMockChainConfig.XDPoS.V2.ConfigIndex()
 	expected := []uint64{899, 10, 0}
 	assert.Equal(t, expected, index)
 }