diff --git a/src/main/java/org/opensearch/security/configuration/ConfigurationLoaderSecurity7.java b/src/main/java/org/opensearch/security/configuration/ConfigurationLoaderSecurity7.java
index 2ac2bf8cdb..f1062cede3 100644
--- a/src/main/java/org/opensearch/security/configuration/ConfigurationLoaderSecurity7.java
+++ b/src/main/java/org/opensearch/security/configuration/ConfigurationLoaderSecurity7.java
@@ -300,23 +300,6 @@ private SecurityDynamicConfiguration<?> toConfig(GetResponse singleGetResponse,
                 log.debug("Load " + id + " with version " + configVersion);
             }
 
-            if (CType.ACTIONGROUPS.toLCString().equals(id)) {
-                try {
-                    return SecurityDynamicConfiguration.fromJson(
-                        jsonAsString,
-                        CType.fromString(id),
-                        configVersion,
-                        seqNo,
-                        primaryTerm,
-                        acceptInvalid
-                    );
-                } catch (Exception e) {
-                    if (log.isDebugEnabled()) {
-                        log.debug("Unable to load " + id + " with version " + configVersion + " - Try loading legacy format ...");
-                    }
-                    return SecurityDynamicConfiguration.fromJson(jsonAsString, CType.fromString(id), 0, seqNo, primaryTerm, acceptInvalid);
-                }
-            }
             return SecurityDynamicConfiguration.fromJson(
                 jsonAsString,
                 CType.fromString(id),
diff --git a/src/main/java/org/opensearch/security/securityconf/impl/SecurityDynamicConfiguration.java b/src/main/java/org/opensearch/security/securityconf/impl/SecurityDynamicConfiguration.java
index a56d8e8aa3..6abe37b542 100644
--- a/src/main/java/org/opensearch/security/securityconf/impl/SecurityDynamicConfiguration.java
+++ b/src/main/java/org/opensearch/security/securityconf/impl/SecurityDynamicConfiguration.java
@@ -127,7 +127,7 @@ public static <T> SecurityDynamicConfiguration<T> fromMap(Map<String, Object> ma
 
     public static void validate(SecurityDynamicConfiguration<?> sdc, int version, CType<?> ctype) throws IOException {
         if (version < 2) {
-            throw new IOException("Config version " + version + " is not supported");
+            throw new IOException("Config version " + version + " is not supported; config type: " + ctype);
         }
 
         if (sdc.get_meta() == null) {
diff --git a/src/test/java/org/opensearch/security/SecurityAdminTests.java b/src/test/java/org/opensearch/security/SecurityAdminTests.java
index 44c2934469..0f2d5b3caa 100644
--- a/src/test/java/org/opensearch/security/SecurityAdminTests.java
+++ b/src/test/java/org/opensearch/security/SecurityAdminTests.java
@@ -598,21 +598,6 @@ public void testSecurityAdminValidateConfig() throws Exception {
         returnCode = SecurityAdmin.execute(argsAsList.toArray(new String[0]));
         Assert.assertNotEquals(0, returnCode);
 
-        argsAsList = new ArrayList<>();
-        addDirectoryPath(argsAsList, TEST_RESOURCE_ABSOLUTE_PATH + "legacy/securityconfig_v6");
-        argsAsList.add("-vc");
-
-        returnCode = SecurityAdmin.execute(argsAsList.toArray(new String[0]));
-        Assert.assertNotEquals(0, returnCode);
-
-        argsAsList = new ArrayList<>();
-        addDirectoryPath(argsAsList, TEST_RESOURCE_ABSOLUTE_PATH + "legacy/securityconfig_v6");
-        argsAsList.add("-vc");
-        argsAsList.add("6");
-
-        returnCode = SecurityAdmin.execute(argsAsList.toArray(new String[0]));
-        assertThat(returnCode, is(0));
-
         argsAsList = new ArrayList<>();
         addDirectoryPath(argsAsList, TEST_RESOURCE_ABSOLUTE_PATH);
         argsAsList.add("-vc");
diff --git a/src/test/resources/ldap/internal_users.yml b/src/test/resources/ldap/internal_users.yml
index ae3789c1c8..d07fe17947 100644
--- a/src/test/resources/ldap/internal_users.yml
+++ b/src/test/resources/ldap/internal_users.yml
@@ -1,3 +1,6 @@
+_meta:
+  type: "internalusers"
+  config_version: 2
 admin:
   hash: $2a$12$VcCDgh2NDk07JGN0rjGbM.Ad41qVR/YFJcgHp0UGns5JDymv..TOG
   #password is: admin