diff --git a/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java b/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java
index 919dfcc95c796..8841638328ea4 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java
@@ -45,7 +45,6 @@
 import org.opensearch.index.query.QueryStringQueryBuilder;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
-import org.opensearch.search.SearchModule;
 import org.opensearch.search.SearchService;
 import org.opensearch.test.ParameterizedStaticSettingsOpenSearchIntegTestCase;
 import org.junit.Before;
@@ -88,7 +87,7 @@ public static Collection<Object[]> parameters() {
 
     @BeforeClass
     public static void createRandomClusterSetting() {
-        CLUSTER_MAX_CLAUSE_COUNT = randomIntBetween(1024, 2048);
+        CLUSTER_MAX_CLAUSE_COUNT = randomIntBetween(50, 100);
     }
 
     @Before
diff --git a/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java b/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java
index 88578d5eabda3..f01f794e2f64f 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java
@@ -79,6 +79,7 @@
 import static org.opensearch.index.query.QueryBuilders.simpleQueryStringQuery;
 import static org.opensearch.index.query.QueryBuilders.termQuery;
 import static org.opensearch.search.SearchService.CLUSTER_CONCURRENT_SEGMENT_SEARCH_SETTING;
+import static org.opensearch.search.SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING;
 import static org.opensearch.test.StreamsUtils.copyToStringFromClasspath;
 import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertAcked;
 import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertFailures;
@@ -115,7 +116,7 @@ public static void createRandomClusterSetting() {
         // Lower bound can't be small(such as 60), simpleQueryStringQuery("foo Bar 19 127.0.0.1") in testDocWithAllTypes
         // will create many clauses of BooleanClause, In that way, it will throw too_many_nested_clauses exception.
         // So we need to set a higher bound(such as 80) to avoid failures.
-        CLUSTER_MAX_CLAUSE_COUNT = randomIntBetween(1024, 2048);
+        CLUSTER_MAX_CLAUSE_COUNT = randomIntBetween(80, 100);
     }
 
     @Override
@@ -720,6 +721,46 @@ public void testFieldAliasOnDisallowedFieldType() throws Exception {
         assertHits(response.getHits(), "1");
     }
 
+    public void testDynamicClauseCountUpdate() throws Exception {
+        client().prepareIndex("testdynamic").setId("1").setSource("field", "foo bar baz").get();
+        refresh();
+        StringBuilder sb = new StringBuilder("foo");
+
+        // create clause_count + 1 clauses to hit error
+        for (int i = 0; i <= CLUSTER_MAX_CLAUSE_COUNT; i++) {
+            sb.append(" OR foo" + i);
+        }
+
+        QueryStringQueryBuilder qb = queryStringQuery(sb.toString()).field("field");
+
+        SearchPhaseExecutionException e = expectThrows(SearchPhaseExecutionException.class, () -> {
+            client().prepareSearch("testdynamic").setQuery(qb).get();
+        });
+
+        assert (e.getDetailedMessage().contains("maxClauseCount is set to " + (CLUSTER_MAX_CLAUSE_COUNT)));
+
+        // increase clause count by 2
+        assertAcked(
+            client().admin()
+                .cluster()
+                .prepareUpdateSettings()
+                .setTransientSettings(Settings.builder().put(INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT + 2))
+        );
+
+        Thread.sleep(1);
+
+        SearchResponse response = client().prepareSearch("testdynamic").setQuery(qb).get();
+        assertHitCount(response, 1);
+        assertHits(response.getHits(), "1");
+
+        assertAcked(
+            client().admin()
+                .cluster()
+                .prepareUpdateSettings()
+                .setTransientSettings(Settings.builder().putNull(INDICES_MAX_CLAUSE_COUNT_SETTING.getKey()))
+        );
+    }
+
     private void assertHits(SearchHits hits, String... ids) {
         assertThat(hits.getTotalHits().value, equalTo((long) ids.length));
         Set<String> hitIds = new HashSet<>();
diff --git a/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java b/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java
index 2e4c0826b279d..e09f8127bff5c 100644
--- a/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java
+++ b/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java
@@ -148,7 +148,6 @@
 import org.opensearch.repositories.fs.FsRepository;
 import org.opensearch.rest.BaseRestHandler;
 import org.opensearch.script.ScriptService;
-import org.opensearch.search.SearchModule;
 import org.opensearch.search.SearchService;
 import org.opensearch.search.aggregations.MultiBucketConsumerService;
 import org.opensearch.search.backpressure.settings.NodeDuressSettings;
diff --git a/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java b/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java
index 6b94972e5d5c6..6e707aafdde35 100644
--- a/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java
+++ b/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java
@@ -38,7 +38,6 @@
 import org.opensearch.index.mapper.MappedFieldType;
 import org.opensearch.index.query.QueryShardContext;
 import org.opensearch.index.query.QueryShardException;
-import org.opensearch.search.SearchModule;
 import org.opensearch.search.SearchService;
 
 import java.util.Collection;
diff --git a/server/src/main/java/org/opensearch/search/SearchModule.java b/server/src/main/java/org/opensearch/search/SearchModule.java
index 5b207124d82de..b463458847a88 100644
--- a/server/src/main/java/org/opensearch/search/SearchModule.java
+++ b/server/src/main/java/org/opensearch/search/SearchModule.java
@@ -37,7 +37,6 @@
 import org.opensearch.common.Nullable;
 import org.opensearch.common.geo.GeoShapeType;
 import org.opensearch.common.geo.ShapesAvailability;
-import org.opensearch.common.settings.Setting;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.xcontent.ParseFieldRegistry;
 import org.opensearch.core.ParseField;
diff --git a/server/src/main/java/org/opensearch/search/SearchService.java b/server/src/main/java/org/opensearch/search/SearchService.java
index ce945e3f7f277..befd21778a096 100644
--- a/server/src/main/java/org/opensearch/search/SearchService.java
+++ b/server/src/main/java/org/opensearch/search/SearchService.java
@@ -34,7 +34,6 @@
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.FieldDoc;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.TopDocs;