diff --git a/Makefile b/Makefile
index 36eda37..f6c0c5f 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,6 @@ CONF_FILE = ./config/oracle_config.yml
 E2E_TEST_DIR = ./e2e_test
 E2E_TEST_PLUGIN_DIR = $(E2E_TEST_DIR)/plugins
 E2E_TEST_TEMPLATE_PLUGIN_DIR = $(E2E_TEST_PLUGIN_DIR)/template_plugins
-E2E_TEST_PRD_PLUGIN_DIR = $(E2E_TEST_PLUGIN_DIR)/production_plugins
 E2E_TEST_SML_PLUGIN_DIR = $(E2E_TEST_PLUGIN_DIR)/simulator_plugins
 E2E_TEST_OUTLIER_PLUGIN_DIR = $(E2E_TEST_PLUGIN_DIR)/outlier_plugins
 E2E_TEST_MIX_PLUGIN_DIR = $(E2E_TEST_PLUGIN_DIR)/mix_plugins
@@ -44,7 +43,6 @@ mkdir:
 	mkdir -p $(SIMULATOR_BIN_DIR)
 	mkdir -p $(E2E_TEST_PLUGIN_DIR)
 	mkdir -p $(E2E_TEST_TEMPLATE_PLUGIN_DIR)
-	mkdir -p $(E2E_TEST_PRD_PLUGIN_DIR)
 	mkdir -p $(E2E_TEST_SML_PLUGIN_DIR)
 	mkdir -p $(E2E_TEST_MIX_PLUGIN_DIR)
 	mkdir -p $(E2E_TEST_FOREX_PLUGIN_DIR)
@@ -74,10 +72,6 @@ e2e-test-stuffs:
 	go build -o $(E2E_TEST_DIR)/simulator $(SIMULATOR_SRC_DIR)/main.go
 	chmod +x $(E2E_TEST_DIR)/simulator
 
-	# build binance plugin for e2e test.
-	go build -o $(E2E_TEST_PRD_PLUGIN_DIR)/binance $(PLUGIN_SRC_DIR)/binance/binance.go
-	chmod +x $(E2E_TEST_PRD_PLUGIN_DIR)/binance
-
 	# build amm plugin for e2e test.
 	go build -o $(E2E_TEST_CRYPTO_PLUGIN_DIR)/crypto_uniswap $(PLUGIN_SRC_DIR)/crypto_uniswap/uniswap_usdcx/crypto_uniswap_usdcx.go
 	chmod +x $(E2E_TEST_CRYPTO_PLUGIN_DIR)/*
@@ -120,13 +114,6 @@ amm-plugins:
 	go build -o $(PLUGIN_DIR)/crypto_uniswap $(PLUGIN_SRC_DIR)/crypto_uniswap/uniswap_usdcx/crypto_uniswap_usdcx.go
 	chmod +x $(PLUGIN_DIR)/*
 
-# legacy piccadilly cax plugin, it sources order books from a CEX service built in python.
-piccadilly-cax-plugin:
-	go build -o $(PLUGIN_DIR)/pcgc_cax $(PLUGIN_SRC_DIR)/pcgc_cax/
-	chmod +x $(PLUGIN_DIR)/pcgc_cax
-	# cp autonity round4 game PCGC CAX plugins for e2e testing
-	cp $(PLUGIN_DIR)/pcgc_cax $(E2E_TEST_CRYPTO_PLUGIN_DIR)/pcgc_cax
-
 # build ATN-USDC, NTN-USDC, NTN-ATN data point simulator binary
 crypto_source_simulator:
 	go build -o $(SIMULATOR_BIN_DIR)/simulator $(SIMULATOR_SRC_DIR)/main.go
diff --git a/e2e_test/e2e_test.go b/e2e_test/e2e_test.go
index 7411bee..3904090 100644
--- a/e2e_test/e2e_test.go
+++ b/e2e_test/e2e_test.go
@@ -201,30 +201,6 @@ func TestAddCommitteeMember(t *testing.T) {
 	testNewValidatorJoinToCommittee(t, network, client, o, aut, endRound, pricePrecision)
 }
 
-func TestHappyCaseWithBinanceDataService(t *testing.T) {
-	var netConf = &NetworkConfig{
-		EnableL1Logs: false,
-		Symbols:      []string{"BTC-USD", "BTC-USDC", "BTC-USDT", "BTC-USD4"},
-		VotePeriod:   defaultVotePeriod,
-		PluginDIRs:   []string{binancePlugDir, binancePlugDir, binancePlugDir, binancePlugDir},
-	}
-	network, err := createNetwork(netConf, numberOfValidators)
-	require.NoError(t, err)
-	defer network.Stop()
-
-	client, err := ethclient.Dial(fmt.Sprintf("ws://%s:%d", network.L1Nodes[0].Host, network.L1Nodes[0].WSPort))
-	require.NoError(t, err)
-	defer client.Close()
-
-	// bind client with oracle contract address
-	o, err := contract.NewOracle(types.OracleContractAddress, client)
-	require.NoError(t, err)
-
-	// first test happy case.
-	endRound := uint64(10)
-	testBinanceDataHappyCase(t, o, endRound)
-}
-
 func TestFeeRefund(t *testing.T) {
 	var netConf = &NetworkConfig{
 		EnableL1Logs: false,
@@ -821,36 +797,6 @@ func testRestartL1Node(t *testing.T, net *Network, index int, o *contract.Oracle
 	}
 }
 
-func testBinanceDataHappyCase(t *testing.T, o *contract.Oracle, beforeRound uint64) {
-	for {
-		time.Sleep(1 * time.Minute)
-		round, err := o.GetRound(nil)
-		require.NoError(t, err)
-
-		// continue to wait until end round.
-		if round.Uint64() < beforeRound {
-			continue
-		}
-
-		symbols, err := o.GetSymbols(nil)
-		require.NoError(t, err)
-
-		// as current round is not finalized yet, thus the round data of it haven't being aggregate,
-		// thus we will query the last round's data for the verification.
-		lastRound := new(big.Int).SetUint64(round.Uint64() - 1)
-
-		// get last round data for each symbol.
-		for _, s := range symbols {
-			d, err := o.GetRoundData(nil, lastRound, s)
-			require.NoError(t, err)
-			require.NotEqual(t, uint64(0), d.Price.Uint64())
-			require.Equal(t, true, d.Success)
-		}
-
-		break
-	}
-}
-
 func testAddNewSymbols(t *testing.T, network *Network, client *ethclient.Client, o *contract.Oracle, beforeRound uint64,
 	pricePrecision decimal.Decimal) {
 	chainID, err := client.ChainID(context.Background())
diff --git a/e2e_test/helpers.go b/e2e_test/helpers.go
index 4518a07..a21496d 100644
--- a/e2e_test/helpers.go
+++ b/e2e_test/helpers.go
@@ -36,7 +36,6 @@ var (
 	outlierPlugDir     = "./plugins/outlier_plugins"
 	forexPlugDir       = "./plugins/forex_plugins"
 	cryptoPlugDir      = "./plugins/crypto_plugins"
-	binancePlugDir     = "./plugins/production_plugins"
 	simulatorPlugDir   = "./plugins/simulator_plugins"
 	mixPluginDir       = "./plugins/mix_plugins"
 	defaultGenesis     = "./autonity_l1_config/genesis_template.json"
diff --git a/plugins/README.md b/plugins/README.md
index becfcb4..4f42d7f 100644
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -419,7 +419,7 @@ func (tc *TemplateClient) FetchPrice(symbols []string) (common.Prices, error) {
 			return nil, err
 		}
 
-		tc.logger.Info("binance", "data", prices)
+		tc.logger.Info("template_plugin", "data", prices)
 	*/
 
 	// in this template, we just return fix values.
diff --git a/plugins/binance/binance.go b/plugins/binance/binance.go
deleted file mode 100644
index d01f45e..0000000
--- a/plugins/binance/binance.go
+++ /dev/null
@@ -1,127 +0,0 @@
-package main
-
-import (
-	"autonity-oracle/config"
-	"autonity-oracle/plugins/common"
-	"autonity-oracle/types"
-	"encoding/json"
-	"github.com/hashicorp/go-hclog"
-	"io"
-	"net/url"
-	"os"
-	"time"
-)
-
-const (
-	version = "v0.0.2"
-	apiPath = "api/v3/ticker/price"
-	symbol  = "symbols"
-)
-
-var defaultConfig = config.PluginConfig{
-	Key:                "",
-	Scheme:             "https",
-	Endpoint:           "api.binance.us",
-	Timeout:            10, //10s
-	DataUpdateInterval: 30, //10s
-}
-
-type BIClient struct {
-	conf   *config.PluginConfig
-	client *common.Client
-	logger hclog.Logger
-}
-
-func NewBIClient(conf *config.PluginConfig) *BIClient {
-	client := common.NewClient(conf.Key, time.Second*time.Duration(conf.Timeout), conf.Endpoint)
-	logger := hclog.New(&hclog.LoggerOptions{
-		Name:   conf.Name,
-		Level:  hclog.Info,
-		Output: os.Stdout,
-	})
-
-	return &BIClient{conf: conf, client: client, logger: logger}
-}
-
-func (bi *BIClient) KeyRequired() bool {
-	return false
-}
-
-func (bi *BIClient) FetchPrice(symbols []string) (common.Prices, error) {
-	var prices common.Prices
-	u, err := bi.buildURL(symbols)
-	if err != nil {
-		return nil, err
-	}
-
-	res, err := bi.client.Conn.Request(bi.conf.Scheme, u)
-	if err != nil {
-		bi.logger.Error("https get", "error", err.Error())
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	if err = common.CheckHTTPStatusCode(res.StatusCode); err != nil {
-		return nil, err
-	}
-
-	body, err := io.ReadAll(res.Body)
-	if err != nil {
-		bi.logger.Error("io read", "error", err.Error())
-		return nil, err
-	}
-
-	err = json.Unmarshal(body, &prices)
-	if err != nil {
-		return nil, err
-	}
-
-	for i := range prices {
-		prices[i].Volume = types.DefaultVolume.String()
-	}
-
-	return prices, nil
-}
-
-func (bi *BIClient) AvailableSymbols() ([]string, error) {
-	var res []string
-	prices, err := bi.FetchPrice(nil)
-	if err != nil {
-		return nil, err
-	}
-
-	for _, p := range prices {
-		res = append(res, p.Symbol)
-	}
-	return res, nil
-}
-
-func (bi *BIClient) Close() {
-	bi.client.Conn.Close()
-}
-
-func (bi *BIClient) buildURL(symbols []string) (*url.URL, error) {
-	endpoint := &url.URL{}
-	endpoint.Path = apiPath
-
-	if len(symbols) != 0 {
-		parameters, err := json.Marshal(symbols)
-		if err != nil {
-			return nil, err
-		}
-
-		query := endpoint.Query()
-		query.Set(symbol, string(parameters))
-		endpoint.RawQuery = query.Encode()
-	}
-
-	return endpoint, nil
-}
-
-func main() {
-	conf := common.ResolveConf(os.Args[0], &defaultConfig)
-	adapter := common.NewPlugin(conf, NewBIClient(conf), version, types.SrcCEX, nil)
-	defer adapter.Close()
-
-	common.PluginServe(adapter)
-}
diff --git a/plugins/binance/binance_test.go b/plugins/binance/binance_test.go
deleted file mode 100644
index 6959d35..0000000
--- a/plugins/binance/binance_test.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package main
-
-import (
-	"github.com/stretchr/testify/require"
-	"testing"
-)
-
-func TestNewBIClient(t *testing.T) {
-	client := NewBIClient(&defaultConfig)
-	defer client.Close()
-	prices, err := client.FetchPrice([]string{"BTCUSD", "ETHUSD"})
-	require.NoError(t, err)
-	require.Equal(t, 2, len(prices))
-}
-
-func TestBIClient_AvailableSymbols(t *testing.T) {
-	client := NewBIClient(&defaultConfig)
-	defer client.Close()
-	symbols, err := client.AvailableSymbols()
-	require.NoError(t, err)
-
-	require.Contains(t, symbols, "BTCUSD")
-}
diff --git a/plugins/pcgc_cax/pcgc_cax.go b/plugins/pcgc_cax/pcgc_cax.go
deleted file mode 100644
index 7391a03..0000000
--- a/plugins/pcgc_cax/pcgc_cax.go
+++ /dev/null
@@ -1,193 +0,0 @@
-package main
-
-import (
-	"autonity-oracle/config"
-	"autonity-oracle/plugins/common"
-	"autonity-oracle/types"
-	"encoding/json"
-	"github.com/hashicorp/go-hclog"
-	"github.com/shopspring/decimal"
-	"io"
-	"net/url"
-	"os"
-	"strings"
-	"time"
-)
-
-// This plugin is only used for autonity round 4 game purpose, the data of NTN-USDC & ATN-USDC come from a simulated
-// exchange service build by Clearmatics.
-const (
-	version = "v0.2.0"
-	quote   = "quote"
-	NTNATN  = "NTN-ATN"
-	NTNUSDC = "NTN-USDC"
-	ATNUSDC = "ATN-USDC"
-)
-
-// take piccadilly setup as the default setting
-var routers = "api/orderbooks"
-var defaultEndpoint = "cax.piccadilly.autonity.org"
-
-var defaultConfig = config.PluginConfig{
-	Name:               "pcgc_cax",
-	Key:                "",
-	Scheme:             "https",
-	Endpoint:           defaultEndpoint,
-	Timeout:            10, //10s
-	DataUpdateInterval: 30, //30s,
-}
-
-type CAXQuote struct {
-	Timestamp string `json:"timestamp"`
-	BidPrice  string `json:"bid_price"`
-	BidAmount string `json:"bid_amount"`
-	AskPrice  string `json:"ask_price"`
-	AskAmount string `json:"ask_amount"`
-}
-
-type CAXClient struct {
-	conf   *config.PluginConfig
-	client *common.Client
-	logger hclog.Logger
-}
-
-func NewCAXClient(conf *config.PluginConfig) *CAXClient {
-	client := common.NewClient(conf.Key, time.Second*time.Duration(conf.Timeout), conf.Endpoint)
-	logger := hclog.New(&hclog.LoggerOptions{
-		Name:   "AutonityR4CAX",
-		Level:  hclog.Info,
-		Output: os.Stdout,
-	})
-
-	return &CAXClient{
-		conf:   conf,
-		client: client,
-		logger: logger,
-	}
-}
-
-func (cc *CAXClient) KeyRequired() bool {
-	return false
-}
-
-func (cc *CAXClient) FetchPrice(symbols []string) (common.Prices, error) {
-	var prices common.Prices
-	priceMap := make(map[string]common.Price)
-
-	for _, s := range symbols {
-		// all CAXs of Autonity test networks do not provice NTN-ATN price, thus the price of NTN-ATN is derived from
-		// the price of NTN-USDC and ATN-USDC for the time being.
-		if s == NTNATN {
-			continue
-		}
-		p, err := cc.fetchPrice(s)
-		if err != nil {
-			cc.logger.Error("query price", "error", err.Error())
-			continue
-		}
-		priceMap[s] = p
-		prices = append(prices, p)
-	}
-
-	if len(prices) == 0 {
-		return nil, common.ErrDataNotAvailable
-	}
-
-	// for autonity round4 game, the price of "NTN-ATN" is derived from the price of "NTN-USDC" and "ATN-USDC"
-	if _, ok := priceMap[NTNATN]; !ok && len(priceMap) == 2 {
-		pNTN, ok := priceMap[NTNUSDC]
-		if !ok {
-			cc.logger.Error("missing NTN-USDC data to compute derived price: NTN-ATN")
-			return prices, nil
-		}
-
-		pATN, ok := priceMap[ATNUSDC]
-		if !ok {
-			cc.logger.Error("missing ATN-USDC data to compute derived price: NTN-ATN")
-			return prices, nil
-		}
-
-		// since only 3 symbols are supported, thus we assume the collected two symbols are NTN-USDC and ATN-USDC.
-		pNTNATN, err := common.ComputeDerivedPrice(pNTN.Price, pATN.Price)
-		if err != nil {
-			cc.logger.Error("compute derived price NTN-ATN", "error", err.Error())
-			return prices, nil
-		}
-		prices = append(prices, pNTNATN)
-	}
-
-	return prices, nil
-}
-
-func (cc *CAXClient) fetchPrice(symbol string) (common.Price, error) {
-	var price common.Price
-	u := cc.buildURL(symbol)
-	res, err := cc.client.Conn.Request(cc.conf.Scheme, u)
-	if err != nil {
-		cc.logger.Error("https request", "error", err.Error())
-		return price, err
-	}
-	defer res.Body.Close()
-
-	if err = common.CheckHTTPStatusCode(res.StatusCode); err != nil {
-		return price, err
-	}
-
-	body, err := io.ReadAll(res.Body)
-	if err != nil {
-		cc.logger.Error("io read", "error", err.Error())
-		return price, err
-	}
-
-	var result CAXQuote
-	err = json.Unmarshal(body, &result)
-	if err != nil {
-		cc.logger.Error("unmarshal quote", "error", err.Error())
-		return price, err
-	}
-
-	if result.Timestamp == "" {
-		cc.logger.Error("data source returns", "data", string(body))
-		return price, common.ErrDataNotAvailable
-	}
-
-	askPrice, err := decimal.NewFromString(result.AskPrice)
-	if err != nil {
-		cc.logger.Error("invalid askPrice value", "error", err)
-		return price, err
-	}
-
-	bidPrice, err := decimal.NewFromString(result.BidPrice)
-	if err != nil {
-		cc.logger.Error("invalid bidPrice value", "error", err)
-		return price, err
-	}
-
-	// the aggregated price takes the average value of ask and bid prices.
-	price.Price = askPrice.Add(bidPrice).Div(decimal.NewFromInt(2)).String()
-	price.Symbol = symbol
-	price.Volume = types.DefaultVolume.String()
-
-	return price, nil
-}
-
-func (cc *CAXClient) buildURL(symbol string) *url.URL {
-	endpoint := &url.URL{}
-	endpoint.Path = strings.Join([]string{routers, symbol, quote}, "/")
-	return endpoint
-}
-
-func (cc *CAXClient) AvailableSymbols() ([]string, error) {
-	return common.DefaultCryptoSymbols, nil
-}
-
-func (cc *CAXClient) Close() {
-	cc.client.Conn.Close()
-}
-
-func main() {
-	conf := common.ResolveConf(os.Args[0], &defaultConfig)
-	adapter := common.NewPlugin(conf, NewCAXClient(conf), version, types.SrcCEX, common.ChainIDPiccadilly)
-	defer adapter.Close()
-	common.PluginServe(adapter)
-}
diff --git a/plugins/pcgc_cax/pcgc_cax_test.go b/plugins/pcgc_cax/pcgc_cax_test.go
deleted file mode 100644
index 2c578d7..0000000
--- a/plugins/pcgc_cax/pcgc_cax_test.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package main
-
-import (
-	"github.com/stretchr/testify/require"
-	"testing"
-)
-
-func TestNewCAXClient(t *testing.T) {
-	// set the CAX of dev-net for testing by default since piccadilly CAX is not ready.
-	defaultConfig.Endpoint = "cax.devnet.clearmatics.network"
-	client := NewCAXClient(&defaultConfig)
-	defer client.Close()
-	prices, err := client.FetchPrice([]string{"ATN-USDC", "NTN-USDC", "NTN-ATN"})
-	require.NoError(t, err)
-	require.Equal(t, 3, len(prices))
-}
diff --git a/plugins/template_plugin/template_plugin.go b/plugins/template_plugin/template_plugin.go
index 182e56b..b34099c 100644
--- a/plugins/template_plugin/template_plugin.go
+++ b/plugins/template_plugin/template_plugin.go
@@ -235,7 +235,7 @@ func (tc *TemplateClient) FetchPrice(symbols []string) (common.Prices, error) {
 			return nil, err
 		}
 
-		tc.logger.Info("binance", "data", prices)
+		tc.logger.Info("template_plugin", "data", prices)
 	*/
 
 	// in this template, we just return fix values.