diff --git a/common/src/main/java/org/tron/common/parameter/CommonParameter.java b/common/src/main/java/org/tron/common/parameter/CommonParameter.java
index 7c8c16ed422..19d03f92a31 100644
--- a/common/src/main/java/org/tron/common/parameter/CommonParameter.java
+++ b/common/src/main/java/org/tron/common/parameter/CommonParameter.java
@@ -521,12 +521,7 @@ public class CommonParameter {
   @Getter
   @Setter
   public int pBFTHttpPort;
-  @Getter
-  @Setter
-  public int maxNestingDepth = 100;
-  @Getter
-  @Setter
-  public int maxTokenCount = 100_000;
+
   @Getter
   @Setter
   public long pBFTExpireNum; // clearParam: 20
diff --git a/common/src/main/java/org/tron/core/Constant.java b/common/src/main/java/org/tron/core/Constant.java
index 1437d319346..ebd1bd4c398 100644
--- a/common/src/main/java/org/tron/core/Constant.java
+++ b/common/src/main/java/org/tron/core/Constant.java
@@ -63,4 +63,8 @@ public class Constant {
   // Network
   public static final String LOCAL_HOST = "127.0.0.1";
 
+  // JSON parsing (DoS protection)
+  public static final int MAX_NESTING_DEPTH = 100;
+  public static final int MAX_TOKEN_COUNT = 100_000;
+
 }
diff --git a/common/src/main/java/org/tron/core/config/args/NodeConfig.java b/common/src/main/java/org/tron/core/config/args/NodeConfig.java
index 82619726b7e..bb6bdc02f4e 100644
--- a/common/src/main/java/org/tron/core/config/args/NodeConfig.java
+++ b/common/src/main/java/org/tron/core/config/args/NodeConfig.java
@@ -199,8 +199,6 @@ public static class HttpConfig {
     private boolean solidityEnable = true;
     private int solidityPort = 8091;
     private long maxMessageSize = 4194304;
-    private int maxNestingDepth = 100;
-    private int maxTokenCount = 100_000;
     private boolean pBFTEnable = true;
     private int pBFTPort = 8092;
   }
diff --git a/common/src/main/java/org/tron/core/config/args/Storage.java b/common/src/main/java/org/tron/core/config/args/Storage.java
index 64a9efab7f1..f1317e04914 100644
--- a/common/src/main/java/org/tron/core/config/args/Storage.java
+++ b/common/src/main/java/org/tron/core/config/args/Storage.java
@@ -70,17 +70,6 @@ public class Storage {
   @Setter
   private int maxFlushCount;
 
-  /**
-   * Index storage directory: /path/to/{indexDirectory}
-   */
-  @Getter
-  @Setter
-  private String indexDirectory;
-
-  @Getter
-  @Setter
-  private String indexSwitch;
-
   @Getter
   @Setter
   private boolean contractParseSwitch;
diff --git a/common/src/main/java/org/tron/core/config/args/StorageConfig.java b/common/src/main/java/org/tron/core/config/args/StorageConfig.java
index 5f8efffb9f3..e8823d81984 100644
--- a/common/src/main/java/org/tron/core/config/args/StorageConfig.java
+++ b/common/src/main/java/org/tron/core/config/args/StorageConfig.java
@@ -21,7 +21,6 @@
 public class StorageConfig {
 
   private DbConfig db = new DbConfig();
-  private IndexConfig index = new IndexConfig();
   private TransHistoryConfig transHistory = new TransHistoryConfig();
   private boolean needToUpdateAsset = true;
   private DbSettingsConfig dbSettings = new DbSettingsConfig();
@@ -60,29 +59,10 @@ public static class DbConfig {
     private String directory = "database";
   }
 
-  @Getter
-  @Setter
-  public static class IndexConfig {
-    private String directory = "index";
-    // "switch" is a Java keyword, but HOCON key is "index.switch"
-    // ConfigBeanFactory would look for setSwitch which works fine in Java
-    @Getter(lombok.AccessLevel.NONE)
-    @Setter(lombok.AccessLevel.NONE)
-    private String switchValue = "on";
-
-    public String getSwitch() {
-      return switchValue;
-    }
-
-    public void setSwitch(String v) {
-      this.switchValue = v;
-    }
-  }
-
   @Getter
   @Setter
   public static class TransHistoryConfig {
-    // "switch" is a Java keyword — same handling as IndexConfig
+    // "switch" is a reserved Java keyword; ConfigBeanFactory calls setSwitch() which works fine
     @Getter(lombok.AccessLevel.NONE)
     @Setter(lombok.AccessLevel.NONE)
     private String switchValue = "on";
diff --git a/common/src/main/java/org/tron/json/JSON.java b/common/src/main/java/org/tron/json/JSON.java
index 88678c49a44..571b9515ade 100644
--- a/common/src/main/java/org/tron/json/JSON.java
+++ b/common/src/main/java/org/tron/json/JSON.java
@@ -10,7 +10,7 @@
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.tron.common.parameter.CommonParameter;
+import org.tron.core.Constant;
 
 /**
  * Drop-in replacement for {@code com.alibaba.fastjson.JSON}.
@@ -22,15 +22,6 @@
 @Deprecated
 public final class JSON {
 
-  // Initialization-order invariant: this class must NOT be loaded before
-  // Args.setParam() completes. The factory's StreamReadConstraints are a
-  // one-shot snapshot of CommonParameter at class-init time. If JSON is
-  // touched too early — e.g. a stray reference in startup code or in a static
-  // initializer that runs before Args — the snapshot captures CommonParameter's
-  // hardcoded defaults (100 / 100_000) and any user override of
-  // node.http.maxNestingDepth / maxTokenCount is silently ignored.
-  // Current production startup (FullNode.main) calls Args.setParam first and
-  // no path in that call chain references this class, so the invariant holds.
   static final ObjectMapper MAPPER = JsonMapper.builder(buildFactory())
       // Fastjson Feature.AllowUnQuotedFieldNames (default ON)
       .enable(JsonReadFeature.ALLOW_UNQUOTED_FIELD_NAMES)
@@ -67,9 +58,9 @@ public final class JSON {
       .build();
 
   private static JsonFactory buildFactory() {
-    CommonParameter p = CommonParameter.getInstance();
     return JsonFactory.builder().streamReadConstraints(StreamReadConstraints.builder()
-            .maxNestingDepth(p.getMaxNestingDepth()).maxTokenCount(p.getMaxTokenCount())
+            .maxNestingDepth(Constant.MAX_NESTING_DEPTH)
+            .maxTokenCount(Constant.MAX_TOKEN_COUNT)
             .build()).build();
   }
 
diff --git a/common/src/main/resources/reference.conf b/common/src/main/resources/reference.conf
index 0864f4d5126..b17f04924df 100644
--- a/common/src/main/resources/reference.conf
+++ b/common/src/main/resources/reference.conf
@@ -49,10 +49,6 @@ storage {
   db.sync = false
   db.directory = "database"
 
-  # Index directory (legacy, not consumed by any runtime code, kept for CLI/test compatibility)
-  index.directory = "index"
-  index.switch = "on"
-
   # Whether to write transaction result in transactionRetStore
   transHistory.switch = "on"
 
@@ -245,8 +241,6 @@ node {
 
     # Maximum HTTP request body size, default 4MB. Independent from rpc.maxMessageSize.
     maxMessageSize = 4M
-    maxNestingDepth = 100
-    maxTokenCount = 100000
   }
 
   rpc {
diff --git a/common/src/test/java/org/tron/core/config/args/StorageConfigTest.java b/common/src/test/java/org/tron/core/config/args/StorageConfigTest.java
index ecb956e406a..d8700880cd0 100644
--- a/common/src/test/java/org/tron/core/config/args/StorageConfigTest.java
+++ b/common/src/test/java/org/tron/core/config/args/StorageConfigTest.java
@@ -26,7 +26,6 @@ public void testDefaults() {
     assertEquals("LEVELDB", sc.getDb().getEngine());
     assertFalse(sc.getDb().isSync());
     assertEquals("database", sc.getDb().getDirectory());
-    assertEquals("index", sc.getIndex().getDirectory());
     assertTrue(sc.isNeedToUpdateAsset());
     assertEquals(7, sc.getDbSettings().getLevelNumber());
     assertEquals(5000, sc.getDbSettings().getMaxOpenFiles());
diff --git a/framework/src/main/java/org/tron/core/config/args/Args.java b/framework/src/main/java/org/tron/core/config/args/Args.java
index 8d8e2500c9f..74e9001177f 100644
--- a/framework/src/main/java/org/tron/core/config/args/Args.java
+++ b/framework/src/main/java/org/tron/core/config/args/Args.java
@@ -80,8 +80,6 @@ public class Args extends CommonParameter {
     m.put("--storage-db-directory", "storage.db.directory");
     m.put("--storage-db-engine", "storage.db.engine");
     m.put("--storage-db-synchronous", "storage.db.sync");
-    m.put("--storage-index-directory", "storage.index.directory");
-    m.put("--storage-index-switch", "storage.index.switch");
     m.put("--storage-transactionHistory-switch", "storage.transHistory.switch");
     m.put("--contract-parse-enable", "event.subscribe.contractParse");
     m.put("--support-constant", "vm.supportConstant");
@@ -215,10 +213,6 @@ private static void applyStorageConfig(StorageConfig sc) {
     PARAMETER.storage.setDbEngine(sc.getDb().getEngine());
     PARAMETER.storage.setDbSync(sc.getDb().isSync());
     PARAMETER.storage.setDbDirectory(sc.getDb().getDirectory());
-    PARAMETER.storage.setIndexDirectory(sc.getIndex().getDirectory());
-    String indexSwitch = sc.getIndex().getSwitch();
-    PARAMETER.storage.setIndexSwitch(
-        org.apache.commons.lang3.StringUtils.isNotEmpty(indexSwitch) ? indexSwitch : "on");
     PARAMETER.storage.setTransactionHistorySwitch(sc.getTransHistory().getSwitch());
     // contractParse is set in applyConfigParams alongside event config, not here
     PARAMETER.storage.setCheckpointVersion(sc.getCheckpoint().getVersion());
@@ -549,8 +543,6 @@ private static void applyNodeConfig(NodeConfig nc) {
     PARAMETER.solidityHttpPort = http.getSolidityPort();
     PARAMETER.pBFTHttpPort = http.getPBFTPort();
     PARAMETER.httpMaxMessageSize = http.getMaxMessageSize();
-    PARAMETER.maxNestingDepth = http.getMaxNestingDepth();
-    PARAMETER.maxTokenCount = http.getMaxTokenCount();
 
     // ---- JSON-RPC sub-bean ----
     NodeConfig.JsonRpcConfig jsonrpc = nc.getJsonrpc();
@@ -865,12 +857,6 @@ private static void applyCLIParams(CLIParameter cmd, JCommander jc) {
     if (assigned.contains("--contract-parse-enable")) {
       PARAMETER.storage.setContractParseSwitch(Boolean.valueOf(cmd.contractParseEnable));
     }
-    if (assigned.contains("--storage-index-directory")) {
-      PARAMETER.storage.setIndexDirectory(cmd.storageIndexDirectory);
-    }
-    if (assigned.contains("--storage-index-switch")) {
-      PARAMETER.storage.setIndexSwitch(cmd.storageIndexSwitch);
-    }
     if (assigned.contains("--storage-transactionHistory-switch")) {
       PARAMETER.storage.setTransactionHistorySwitch(cmd.storageTransactionHistorySwitch);
     }
diff --git a/framework/src/main/java/org/tron/core/services/jsonrpc/JsonRpcServlet.java b/framework/src/main/java/org/tron/core/services/jsonrpc/JsonRpcServlet.java
index 29869403988..a332757457f 100644
--- a/framework/src/main/java/org/tron/core/services/jsonrpc/JsonRpcServlet.java
+++ b/framework/src/main/java/org/tron/core/services/jsonrpc/JsonRpcServlet.java
@@ -24,6 +24,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.tron.common.parameter.CommonParameter;
+import org.tron.core.Constant;
 import org.tron.core.services.filter.BufferedResponseWrapper;
 import org.tron.core.services.filter.CachedBodyRequestWrapper;
 import org.tron.core.services.http.RateLimiterServlet;
@@ -32,15 +33,13 @@
 @Slf4j(topic = "API")
 public class JsonRpcServlet extends RateLimiterServlet {
 
-  // Snapshot of node.http.maxNestingDepth / maxTokenCount at class-load time (after Args.setParam).
   private static final ObjectMapper MAPPER = buildMapper();
 
   private static ObjectMapper buildMapper() {
-    CommonParameter p = CommonParameter.getInstance();
     JsonFactory factory = JsonFactory.builder()
         .streamReadConstraints(StreamReadConstraints.builder()
-            .maxNestingDepth(p.getMaxNestingDepth())
-            .maxTokenCount(p.getMaxTokenCount())
+            .maxNestingDepth(Constant.MAX_NESTING_DEPTH)
+            .maxTokenCount(Constant.MAX_TOKEN_COUNT)
             .build())
         .build();
     return new ObjectMapper(factory);
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeTest.java b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeTest.java
index 582f5157b27..85829e474f0 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeTest.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeTest.java
@@ -61,7 +61,6 @@ public class BandWidthRuntimeOutOfTimeTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static final String dbDirectory = "db_BandWidthRuntimeOutOfTimeTest_test";
-  private static final String indexDirectory = "index_BandWidthRuntimeOutOfTimeTest_test";
 
   private static final String OwnerAddress = "TCWHANtDDdkZCTo2T2peyEq3Eg9c2XB7ut";
   private static final String TriggerOwnerAddress = "TCSgeWapPJhCqgWRxXCKb6jJ5AgNWSGjPA";
@@ -72,7 +71,6 @@ public class BandWidthRuntimeOutOfTimeTest extends BaseTest {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
             "--debug"
         },
         "config-test-mainnet.conf"
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeWithCheckTest.java b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeWithCheckTest.java
index 7e75f2b31d1..be8fc952188 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeWithCheckTest.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeOutOfTimeWithCheckTest.java
@@ -63,7 +63,6 @@ public class BandWidthRuntimeOutOfTimeWithCheckTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static final String dbDirectory = "db_BandWidthRuntimeOutOfTimeTest_test";
-  private static final String indexDirectory = "index_BandWidthRuntimeOutOfTimeTest_test";
   private static final String OwnerAddress = "TCWHANtDDdkZCTo2T2peyEq3Eg9c2XB7ut";
   private static final String TriggerOwnerAddress = "TCSgeWapPJhCqgWRxXCKb6jJ5AgNWSGjPA";
   private static boolean init;
@@ -73,7 +72,6 @@ public class BandWidthRuntimeOutOfTimeWithCheckTest extends BaseTest {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
             "--debug"
         },
         "config-test-mainnet.conf"
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeTest.java b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeTest.java
index 8e38c08c4d8..1245f5cefd6 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeTest.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeTest.java
@@ -57,7 +57,6 @@ public class BandWidthRuntimeTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static final String dbDirectory = "db_BandWidthRuntimeTest_test";
-  private static final String indexDirectory = "index_BandWidthRuntimeTest_test";
   private static final String OwnerAddress = "TCWHANtDDdkZCTo2T2peyEq3Eg9c2XB7ut";
   private static final String TriggerOwnerAddress = "TCSgeWapPJhCqgWRxXCKb6jJ5AgNWSGjPA";
   private static final String TriggerOwnerTwoAddress = "TPMBUANrTwwQAPwShn7ZZjTJz1f3F8jknj";
@@ -69,7 +68,6 @@ public static void init() {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
         },
         "config-test-mainnet.conf"
     );
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeWithCheckTest.java b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeWithCheckTest.java
index aae8cb5702d..13c75f3e40a 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeWithCheckTest.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/BandWidthRuntimeWithCheckTest.java
@@ -63,7 +63,6 @@ public class BandWidthRuntimeWithCheckTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static final String dbDirectory = "db_BandWidthRuntimeWithCheckTest_test";
-  private static final String indexDirectory = "index_BandWidthRuntimeWithCheckTest_test";
   private static final String OwnerAddress = "TCWHANtDDdkZCTo2T2peyEq3Eg9c2XB7ut";
   private static final String TriggerOwnerAddress = "TCSgeWapPJhCqgWRxXCKb6jJ5AgNWSGjPA";
   private static final String TriggerOwnerTwoAddress = "TPMBUANrTwwQAPwShn7ZZjTJz1f3F8jknj";
@@ -75,7 +74,6 @@ public class BandWidthRuntimeWithCheckTest extends BaseTest {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
         },
         "config-test-mainnet.conf"
     );
diff --git a/framework/src/test/java/org/tron/core/config/args/ArgsTest.java b/framework/src/test/java/org/tron/core/config/args/ArgsTest.java
index 3ae5677fbda..43f21157f47 100644
--- a/framework/src/test/java/org/tron/core/config/args/ArgsTest.java
+++ b/framework/src/test/java/org/tron/core/config/args/ArgsTest.java
@@ -303,8 +303,6 @@ public void testCliOverridesStorageConfig() {
         "--storage-db-directory", "cli-db-dir",
         "--storage-db-engine", "ROCKSDB",
         "--storage-db-synchronous", "true",
-        "--storage-index-directory", "cli-index-dir",
-        "--storage-index-switch", "cli-index-switch",
         "--storage-transactionHistory-switch", "off",
         "--contract-parse-enable", "false"
     }, TestConstants.TEST_CONF);
@@ -314,8 +312,6 @@ public void testCliOverridesStorageConfig() {
     Assert.assertEquals("cli-db-dir", parameter.getStorage().getDbDirectory());
     Assert.assertEquals("ROCKSDB", parameter.getStorage().getDbEngine());
     Assert.assertTrue(parameter.getStorage().isDbSync());
-    Assert.assertEquals("cli-index-dir", parameter.getStorage().getIndexDirectory());
-    Assert.assertEquals("cli-index-switch", parameter.getStorage().getIndexSwitch());
     Assert.assertEquals("off", parameter.getStorage().getTransactionHistorySwitch());
     Assert.assertFalse(parameter.getStorage().isContractParseSwitch());
 
@@ -413,35 +409,6 @@ public void testFetchBlockTimeoutClampedAboveMax() {
     Args.clearParam();
   }
 
-
-  @Test
-  public void testHttpJsonParseConstraints() {
-    Map<String, String> override = new HashMap<>();
-    override.put("storage.db.directory", "database");
-    Config config = ConfigFactory.parseMap(override)
-        .withFallback(ConfigFactory.defaultReference());
-    Args.applyConfigParams(config);
-
-    Assert.assertEquals(100, Args.getInstance().getMaxNestingDepth());
-    Assert.assertEquals(100_000, Args.getInstance().getMaxTokenCount());
-    Args.clearParam();
-  }
-
-  @Test
-  public void testHttpJsonParseConstraintsApplied() {
-    Map<String, String> override = new HashMap<>();
-    override.put("storage.db.directory", "database");
-    override.put("node.http.maxNestingDepth", "42");
-    override.put("node.http.maxTokenCount", "12345");
-    Config config = ConfigFactory.parseMap(override)
-        .withFallback(ConfigFactory.defaultReference());
-    Args.applyConfigParams(config);
-
-    Assert.assertEquals(42, Args.getInstance().getMaxNestingDepth());
-    Assert.assertEquals(12345, Args.getInstance().getMaxTokenCount());
-    Args.clearParam();
-  }
-
   @Test
   public void testFetchBlockTimeoutInRangeUnchanged() {
     Map<String, String> override = new HashMap<>();
diff --git a/framework/src/test/java/org/tron/core/config/args/StorageTest.java b/framework/src/test/java/org/tron/core/config/args/StorageTest.java
index eb349a2d146..a925b9c8fc0 100644
--- a/framework/src/test/java/org/tron/core/config/args/StorageTest.java
+++ b/framework/src/test/java/org/tron/core/config/args/StorageTest.java
@@ -42,7 +42,6 @@ public static void cleanup() {
   @Test
   public void getDirectory() {
     Assert.assertEquals("database", storage.getDbDirectory());
-    Assert.assertEquals("index", storage.getIndexDirectory());
   }
 
   @Test
diff --git a/framework/src/test/java/org/tron/core/db/AccountIndexStoreTest.java b/framework/src/test/java/org/tron/core/db/AccountIndexStoreTest.java
index 4971132b8c5..1ae1ab4b029 100755
--- a/framework/src/test/java/org/tron/core/db/AccountIndexStoreTest.java
+++ b/framework/src/test/java/org/tron/core/db/AccountIndexStoreTest.java
@@ -16,7 +16,6 @@
 public class AccountIndexStoreTest extends BaseTest {
 
   private static String dbDirectory = "db_AccountIndexStore_test";
-  private static String indexDirectory = "index_AccountIndexStore_test";
   @Resource
   private AccountIndexStore accountIndexStore;
   private static byte[] address = TransactionStoreTest.randomBytes(32);
@@ -26,8 +25,7 @@ public class AccountIndexStoreTest extends BaseTest {
     Args.setParam(
         new String[]{
             "--output-directory", dbPath(),
-            "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory
+            "--storage-db-directory", dbDirectory
         },
         TestConstants.TEST_CONF
     );
diff --git a/framework/src/test/java/org/tron/core/db/AccountStoreTest.java b/framework/src/test/java/org/tron/core/db/AccountStoreTest.java
index 2fae33870cb..003c3fe4ab3 100755
--- a/framework/src/test/java/org/tron/core/db/AccountStoreTest.java
+++ b/framework/src/test/java/org/tron/core/db/AccountStoreTest.java
@@ -33,7 +33,6 @@ public class AccountStoreTest extends BaseTest {
 
   private static final byte[] data = TransactionStoreTest.randomBytes(32);
   private static String dbDirectory = "db_AccountStore_test";
-  private static String indexDirectory = "index_AccountStore_test";
   @Resource
   private AccountStore accountStore;
   @Resource
@@ -48,8 +47,7 @@ public class AccountStoreTest extends BaseTest {
     Args.setParam(
         new String[]{
             "--output-directory", dbPath(),
-            "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory
+            "--storage-db-directory", dbDirectory
         },
         TestConstants.TEST_CONF
     );
diff --git a/framework/src/test/java/org/tron/core/db/TransactionHistoryTest.java b/framework/src/test/java/org/tron/core/db/TransactionHistoryTest.java
index 676293efbc0..e6d5fbb7bcf 100644
--- a/framework/src/test/java/org/tron/core/db/TransactionHistoryTest.java
+++ b/framework/src/test/java/org/tron/core/db/TransactionHistoryTest.java
@@ -17,7 +17,6 @@ public class TransactionHistoryTest extends BaseTest {
 
   private static final byte[] transactionId = TransactionStoreTest.randomBytes(32);
   private static String dbDirectory = "db_TransactionHistoryStore_test";
-  private static String indexDirectory = "index_TransactionHistoryStore_test";
   @Resource
   private TransactionHistoryStore transactionHistoryStore;
 
@@ -27,8 +26,7 @@ public class TransactionHistoryTest extends BaseTest {
     Args.setParam(
         new String[]{
             "--output-directory", dbPath(),
-            "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory
+            "--storage-db-directory", dbDirectory
         },
         TestConstants.TEST_CONF
     );
diff --git a/framework/src/test/java/org/tron/core/db/TransactionRetStoreTest.java b/framework/src/test/java/org/tron/core/db/TransactionRetStoreTest.java
index 6cd7af96577..3a13c7d5606 100644
--- a/framework/src/test/java/org/tron/core/db/TransactionRetStoreTest.java
+++ b/framework/src/test/java/org/tron/core/db/TransactionRetStoreTest.java
@@ -21,7 +21,6 @@ public class TransactionRetStoreTest extends BaseTest {
   private static final byte[] transactionId = TransactionStoreTest.randomBytes(32);
   private static final byte[] blockNum = ByteArray.fromLong(1);
   private static String dbDirectory = "db_TransactionRetStore_test";
-  private static String indexDirectory = "index_TransactionRetStore_test";
   @Resource
   private TransactionRetStore transactionRetStore;
   private static Transaction transaction;
@@ -33,8 +32,7 @@ public class TransactionRetStoreTest extends BaseTest {
 
   static {
     Args.setParam(new String[]{"--output-directory", dbPath(),
-        "--storage-db-directory", dbDirectory,
-        "--storage-index-directory", indexDirectory}, TestConstants.TEST_CONF);
+        "--storage-db-directory", dbDirectory}, TestConstants.TEST_CONF);
   }
 
   @BeforeClass
diff --git a/framework/src/test/java/org/tron/core/db/TransactionStoreTest.java b/framework/src/test/java/org/tron/core/db/TransactionStoreTest.java
index 5341cffd171..b79c4cdfc14 100644
--- a/framework/src/test/java/org/tron/core/db/TransactionStoreTest.java
+++ b/framework/src/test/java/org/tron/core/db/TransactionStoreTest.java
@@ -41,7 +41,6 @@ public class TransactionStoreTest extends BaseTest {
   private static final String WITNESS_ADDRESS =
       Wallet.getAddressPreFixString() + "548794500882809695a8a687866e76d4271a1abc";
   private static String dbDirectory = "db_TransactionStore_test";
-  private static String indexDirectory = "index_TransactionStore_test";
   @Resource
   private TransactionStore transactionStore;
 
diff --git a/framework/src/test/java/org/tron/core/db/TransactionTraceTest.java b/framework/src/test/java/org/tron/core/db/TransactionTraceTest.java
index 08848fc9da1..162b2d793d4 100644
--- a/framework/src/test/java/org/tron/core/db/TransactionTraceTest.java
+++ b/framework/src/test/java/org/tron/core/db/TransactionTraceTest.java
@@ -52,7 +52,6 @@ public class TransactionTraceTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static String dbDirectory = "db_TransactionTrace_test";
-  private static String indexDirectory = "index_TransactionTrace_test";
   private static ByteString ownerAddress = ByteString.copyFrom(ByteArray.fromInt(1));
   private static ByteString contractAddress = ByteString.copyFrom(ByteArray.fromInt(2));
   private static String OwnerAddress = "TCWHANtDDdkZCTo2T2peyEq3Eg9c2XB7ut";
@@ -64,7 +63,6 @@ public class TransactionTraceTest extends BaseTest {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
             "--debug"
         },
         "config-test-mainnet.conf"
diff --git a/framework/src/test/java/org/tron/core/db/TxCacheDBTest.java b/framework/src/test/java/org/tron/core/db/TxCacheDBTest.java
index e47ef72a29d..1793fb0e6a9 100644
--- a/framework/src/test/java/org/tron/core/db/TxCacheDBTest.java
+++ b/framework/src/test/java/org/tron/core/db/TxCacheDBTest.java
@@ -18,9 +18,8 @@ public class TxCacheDBTest extends BaseTest {
   @BeforeClass
   public static void init() {
     String dbDirectory = "db_TransactionCache_test";
-    String indexDirectory = "index_TransactionCache_test";
     Args.setParam(new String[]{"--output-directory", dbPath(), "--storage-db-directory",
-        dbDirectory, "--storage-index-directory", indexDirectory}, TestConstants.TEST_CONF);
+        dbDirectory}, TestConstants.TEST_CONF);
   }
 
   @Test
diff --git a/framework/src/test/java/org/tron/core/metrics/MetricsApiServiceTest.java b/framework/src/test/java/org/tron/core/metrics/MetricsApiServiceTest.java
index 6894d91cdbe..f96a03d92e3 100644
--- a/framework/src/test/java/org/tron/core/metrics/MetricsApiServiceTest.java
+++ b/framework/src/test/java/org/tron/core/metrics/MetricsApiServiceTest.java
@@ -14,7 +14,6 @@
 public class MetricsApiServiceTest extends BaseMethodTest {
 
   private static String dbDirectory = "metrics-database";
-  private static String indexDirectory = "metrics-index";
   private static int port = 10001;
   private MetricsApiService metricsApiService;
   private RpcApiService rpcApiService;
@@ -23,7 +22,6 @@ public class MetricsApiServiceTest extends BaseMethodTest {
   protected String[] extraArgs() {
     return new String[]{
         "--storage-db-directory", dbDirectory,
-        "--storage-index-directory", indexDirectory,
         "--debug"
     };
   }
diff --git a/framework/src/test/java/org/tron/core/services/jsonrpc/JsonRpcServletTest.java b/framework/src/test/java/org/tron/core/services/jsonrpc/JsonRpcServletTest.java
index b66298d6779..c5e87384b99 100644
--- a/framework/src/test/java/org/tron/core/services/jsonrpc/JsonRpcServletTest.java
+++ b/framework/src/test/java/org/tron/core/services/jsonrpc/JsonRpcServletTest.java
@@ -25,6 +25,7 @@
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.tron.common.parameter.CommonParameter;
+import org.tron.core.Constant;
 
 public class JsonRpcServletTest {
 
@@ -365,7 +366,7 @@ public void batchWithNumericAndStringElements_allGetInvalidRequest() throws Exce
 
   @Test
   public void excessivelyNestedRequest_returnsParseError() throws Exception {
-    int limit = CommonParameter.getInstance().getMaxNestingDepth();
+    int limit = Constant.MAX_NESTING_DEPTH;
     StringBuilder sb = new StringBuilder();
     for (int i = 0; i <= limit; i++) {
       sb.append('[');
@@ -383,7 +384,7 @@ public void excessivelyNestedRequest_returnsParseError() throws Exception {
 
   @Test
   public void tooManyTokens_returnsParseError() throws Exception {
-    int limit = CommonParameter.getInstance().getMaxTokenCount();
+    int limit = Constant.MAX_TOKEN_COUNT;
     StringBuilder sb = new StringBuilder("[");
     for (int i = 0; i < limit; i++) {
       if (i > 0) {
diff --git a/framework/src/test/java/org/tron/core/zksnark/LibrustzcashTest.java b/framework/src/test/java/org/tron/core/zksnark/LibrustzcashTest.java
index 5d403b54f90..67a95e29beb 100644
--- a/framework/src/test/java/org/tron/core/zksnark/LibrustzcashTest.java
+++ b/framework/src/test/java/org/tron/core/zksnark/LibrustzcashTest.java
@@ -69,7 +69,6 @@
 @Slf4j
 public class LibrustzcashTest extends BaseTest {
   private static final String dbDirectory = "db_Librustzcash_test";
-  private static final String indexDirectory = "index_Librustzcash_test";
   @Resource
   private Wallet wallet;
 
@@ -79,7 +78,6 @@ public static void init() {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
             "--debug"
         },
         "config-test-mainnet.conf"
diff --git a/framework/src/test/java/org/tron/core/zksnark/MerkleTreeTest.java b/framework/src/test/java/org/tron/core/zksnark/MerkleTreeTest.java
index e21ba8010b5..407a0641f3a 100644
--- a/framework/src/test/java/org/tron/core/zksnark/MerkleTreeTest.java
+++ b/framework/src/test/java/org/tron/core/zksnark/MerkleTreeTest.java
@@ -27,7 +27,6 @@ public class MerkleTreeTest extends BaseTest {
 
   public static final long totalBalance = 1000_0000_000_000L;
   private static final String dbDirectory = "db_ShieldedTransaction_test";
-  private static final String indexDirectory = "index_ShieldedTransaction_test";
   private static boolean init;
 
   static {
@@ -35,7 +34,6 @@ public class MerkleTreeTest extends BaseTest {
         new String[]{
             "--output-directory", dbPath(),
             "--storage-db-directory", dbDirectory,
-            "--storage-index-directory", indexDirectory,
             "--debug"
         },
         "config-test-mainnet.conf"
diff --git a/framework/src/test/java/org/tron/json/JsonTest.java b/framework/src/test/java/org/tron/json/JsonTest.java
index 2a6d73931be..eb9fed8ff2c 100644
--- a/framework/src/test/java/org/tron/json/JsonTest.java
+++ b/framework/src/test/java/org/tron/json/JsonTest.java
@@ -16,6 +16,7 @@
 import java.util.List;
 import java.util.Locale;
 import org.junit.Test;
+import org.tron.core.Constant;
 
 /**
  * Tests for Jackson {@code JsonReadFeature} compatibility with Fastjson 1.x.
@@ -369,8 +370,8 @@ public void testTypeUtilsCoercion() {
   @Test
   public void testJsonMapperHasConfiguredConstraints() {
     StreamReadConstraints sr = JSON.MAPPER.getFactory().streamReadConstraints();
-    assertEquals(100, sr.getMaxNestingDepth());
-    assertEquals(100_000L, sr.getMaxTokenCount());
+    assertEquals(Constant.MAX_NESTING_DEPTH, sr.getMaxNestingDepth());
+    assertEquals((long) Constant.MAX_TOKEN_COUNT, sr.getMaxTokenCount());
   }
 
   @Test
diff --git a/framework/src/test/resources/args-test.conf b/framework/src/test/resources/args-test.conf
index db889483270..a65b44b0dff 100644
--- a/framework/src/test/resources/args-test.conf
+++ b/framework/src/test/resources/args-test.conf
@@ -9,7 +9,6 @@ storage {
 
   db.engine = "LEVELDB"
   db.directory = "database",
-  index.directory = "index",
 
   # You can custom these 14 databases' configs:
 
diff --git a/framework/src/test/resources/config-localtest.conf b/framework/src/test/resources/config-localtest.conf
index 4c6910e3d7a..26b273efa89 100644
--- a/framework/src/test/resources/config-localtest.conf
+++ b/framework/src/test/resources/config-localtest.conf
@@ -7,13 +7,6 @@ storage {
   # Directory for storing persistent data
   db.engine ="LEVELDB",
   db.directory = "database",
-  index.directory = "index",
-
-  # This configuration item is only for SolidityNode.
-  # Turn off the index is "off", else "on".
-  # Turning off the index will significantly improve the performance of the SolidityNode sync block.
-  # You can turn off the index if you don't use the two interfaces getTransactionsToThis and getTransactionsFromThis.
-  index.switch = "on"
 
   # You can custom these 14 databases' configs:
 
diff --git a/framework/src/test/resources/config-test-index.conf b/framework/src/test/resources/config-test-index.conf
index 583064a37f5..8dbff89219c 100644
--- a/framework/src/test/resources/config-test-index.conf
+++ b/framework/src/test/resources/config-test-index.conf
@@ -8,7 +8,6 @@ storage {
   # Directory for storing persistent data
 
   db.directory = "database",
-  index.directory = "index",
 
   # You can custom these 14 databases' configs:
 
diff --git a/framework/src/test/resources/config-test-mainnet.conf b/framework/src/test/resources/config-test-mainnet.conf
index 938812f8214..ec2c0884cac 100644
--- a/framework/src/test/resources/config-test-mainnet.conf
+++ b/framework/src/test/resources/config-test-mainnet.conf
@@ -8,7 +8,6 @@ storage {
   # Directory for storing persistent data
 
   db.directory = "database",
-  index.directory = "index",
 
   # You can custom these 14 databases' configs:
 
diff --git a/framework/src/test/resources/config-test-storagetest.conf b/framework/src/test/resources/config-test-storagetest.conf
index 113c8371ba1..f0f993a2fb7 100644
--- a/framework/src/test/resources/config-test-storagetest.conf
+++ b/framework/src/test/resources/config-test-storagetest.conf
@@ -9,7 +9,6 @@ storage {
 
   db.engine = "LEVELDB"
   db.directory = "database",
-  index.directory = "index",
 
   # You can custom these 14 databases' configs:
 
diff --git a/framework/src/test/resources/config-test.conf b/framework/src/test/resources/config-test.conf
index 85172c37710..fbe4850db01 100644
--- a/framework/src/test/resources/config-test.conf
+++ b/framework/src/test/resources/config-test.conf
@@ -9,7 +9,6 @@ storage {
 
   db.engine = "LEVELDB"
   db.directory = "database",
-  index.directory = "index",
 
   # You can custom these 14 databases' configs:
 
diff --git a/plugins/src/test/resources/config-duplicate.conf b/plugins/src/test/resources/config-duplicate.conf
index f2eb7fbf357..05358016810 100644
--- a/plugins/src/test/resources/config-duplicate.conf
+++ b/plugins/src/test/resources/config-duplicate.conf
@@ -4,7 +4,6 @@ storage {
   db.engine = "LEVELDB",
   db.sync = false,
   db.directory = "database",
-  index.directory = "index",
   transHistory.switch = "on",
   properties = [
     {