diff --git a/build.gradle b/build.gradle
index be234cfe6..ffb10754c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -396,7 +396,7 @@ testClusters.integTest {
 
     // Increase heap size from default of 512mb to 1gb. When heap size is 512mb, our integ tests sporadically fail due
     // to ml-commons memory circuit breaker exception
-    jvmArgs("-Xms1g", "-Xmx4g")
+    jvmArgs("-Xms1g", "-Xmx2g")
 }
 
 // Remote Integration Tests
diff --git a/src/test/java/org/opensearch/neuralsearch/processor/ScoreNormalizationIT.java b/src/test/java/org/opensearch/neuralsearch/processor/ScoreNormalizationIT.java
index 696aafb26..9f201b4bd 100644
--- a/src/test/java/org/opensearch/neuralsearch/processor/ScoreNormalizationIT.java
+++ b/src/test/java/org/opensearch/neuralsearch/processor/ScoreNormalizationIT.java
@@ -52,11 +52,6 @@ public void setUp() throws Exception {
         updateClusterSettings();
     }
 
-    @Override
-    public boolean isUpdateClusterSettings() {
-        return false;
-    }
-
     /**
      * Using search pipelines with config for l2 norm:
      * {
diff --git a/src/test/java/org/opensearch/neuralsearch/query/HybridQueryAggregationsIT.java b/src/test/java/org/opensearch/neuralsearch/query/HybridQueryAggregationsIT.java
index 2a2fc7f34..9e72dfcb1 100644
--- a/src/test/java/org/opensearch/neuralsearch/query/HybridQueryAggregationsIT.java
+++ b/src/test/java/org/opensearch/neuralsearch/query/HybridQueryAggregationsIT.java
@@ -93,11 +93,6 @@ public void setUp() throws Exception {
         updateClusterSettings();
     }
 
-    @Override
-    public boolean isUpdateClusterSettings() {
-        return false;
-    }
-
     @Override
     protected boolean preserveClusterUponCompletion() {
         return true;
diff --git a/src/test/java/org/opensearch/neuralsearch/query/HybridQueryIT.java b/src/test/java/org/opensearch/neuralsearch/query/HybridQueryIT.java
index be6942232..729fc71d2 100644
--- a/src/test/java/org/opensearch/neuralsearch/query/HybridQueryIT.java
+++ b/src/test/java/org/opensearch/neuralsearch/query/HybridQueryIT.java
@@ -87,11 +87,6 @@ public void setUp() throws Exception {
         updateClusterSettings();
     }
 
-    @Override
-    public boolean isUpdateClusterSettings() {
-        return false;
-    }
-
     @Override
     protected boolean preserveClusterUponCompletion() {
         return true;
diff --git a/src/test/java/org/opensearch/neuralsearch/query/aggregation/BaseAggregationsWithHybridQueryIT.java b/src/test/java/org/opensearch/neuralsearch/query/aggregation/BaseAggregationsWithHybridQueryIT.java
index 521606fda..48fb8f8d6 100644
--- a/src/test/java/org/opensearch/neuralsearch/query/aggregation/BaseAggregationsWithHybridQueryIT.java
+++ b/src/test/java/org/opensearch/neuralsearch/query/aggregation/BaseAggregationsWithHybridQueryIT.java
@@ -89,11 +89,6 @@ public static void setUpCluster() {
         instance.updateClusterSettings();
     }
 
-    @Override
-    public boolean isUpdateClusterSettings() {
-        return false;
-    }
-
     @Override
     protected boolean preserveClusterUponCompletion() {
         return true;