diff --git a/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/resthandler/RestChangePolicyActionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/resthandler/RestChangePolicyActionIT.kt
index ee2621bca..5d12c032b 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/resthandler/RestChangePolicyActionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/resthandler/RestChangePolicyActionIT.kt
@@ -7,7 +7,9 @@ package org.opensearch.indexmanagement.indexstatemanagement.resthandler
 
 import org.junit.Before
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.common.settings.Settings
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -92,6 +94,9 @@ class RestChangePolicyActionIT : IndexStateManagementRestTestCase() {
     fun `test nonexistent ism config index`() {
         if (indexExists(INDEX_MANAGEMENT_INDEX)) {
             val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
             adminClient().performRequest(deleteISMIndexRequest)
         }
         try {
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStartRollupActionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStartRollupActionIT.kt
index e165a5b71..02eea1a64 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStartRollupActionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStartRollupActionIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.rollup.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.common.settings.Settings
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementIndices
@@ -203,6 +205,9 @@ class RestStartRollupActionIT : RollupRestAPITestCase() {
     fun `test start rollup when multiple shards configured for IM config index`() {
         // setup ism-config index with multiple primary shards
         val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+        val options = RequestOptions.DEFAULT.toBuilder()
+        options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+        deleteISMIndexRequest.options = options.build()
         adminClient().performRequest(deleteISMIndexRequest)
         val mapping = IndexManagementIndices.indexManagementMappings.trim().trimStart('{').trimEnd('}')
         val settings =
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStopRollupActionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStopRollupActionIT.kt
index 4789e1f50..ecc4f94b7 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStopRollupActionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/rollup/resthandler/RestStopRollupActionIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.rollup.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.common.settings.Settings
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementIndices
@@ -259,6 +261,9 @@ class RestStopRollupActionIT : RollupRestAPITestCase() {
     fun `test stop rollup when multiple shards configured for IM config index`() {
         // setup ism-config index with multiple primary shards
         val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+        val options = RequestOptions.DEFAULT.toBuilder()
+        options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+        deleteISMIndexRequest.options = options.build()
         adminClient().performRequest(deleteISMIndexRequest)
         val mapping = IndexManagementIndices.indexManagementMappings.trim().trimStart('{').trimEnd('}')
         val settings =
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestDeleteSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestDeleteSnapshotManagementIT.kt
index 13ecd4a71..07081bd65 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestDeleteSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestDeleteSnapshotManagementIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -40,6 +42,9 @@ class RestDeleteSnapshotManagementIT : SnapshotManagementRestTestCase() {
     fun `test deleting a snapshot management policy that doesn't exist and config index doesnt exist`() {
         try {
             val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
             adminClient().performRequest(deleteISMIndexRequest)
             client().makeRequest("DELETE", "${IndexManagementPlugin.SM_POLICIES_URI}/nonexistent_policy")
             fail("expected 404 ResponseException")
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestExplainSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestExplainSnapshotManagementIT.kt
index ce64e240f..bf5da3c56 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestExplainSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestExplainSnapshotManagementIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.common.xcontent.XContentType
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -143,6 +145,9 @@ class RestExplainSnapshotManagementIT : SnapshotManagementRestTestCase() {
     fun `test explain sm policy when config index doesn't exist`() {
         try {
             val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
             adminClient().performRequest(deleteISMIndexRequest)
             explainSMPolicy(randomAlphaOfLength(10))
             fail("expected response exception")
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestGetSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestGetSnapshotManagementIT.kt
index ee9eba36c..f8e400b7e 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestGetSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestGetSnapshotManagementIT.kt
@@ -8,7 +8,9 @@ package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 import org.apache.hc.core5.http.HttpHeaders
 import org.apache.hc.core5.http.message.BasicHeader
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -51,6 +53,9 @@ class RestGetSnapshotManagementIT : SnapshotManagementRestTestCase() {
     fun `test getting a snapshot management policy that doesn't exist and config index doesnt exist`() {
         try {
             val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
             adminClient().performRequest(deleteISMIndexRequest)
             getSMPolicy(randomAlphaOfLength(20))
             fail("expected response exception")
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestIndexSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestIndexSnapshotManagementIT.kt
index f40467f81..0183300f3 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestIndexSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestIndexSnapshotManagementIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.common.xcontent.XContentType
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -132,6 +134,9 @@ class RestIndexSnapshotManagementIT : SnapshotManagementRestTestCase() {
     @Suppress("UNCHECKED_CAST")
     fun `test mappings after sm policy creation`() {
         val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+        val options = RequestOptions.DEFAULT.toBuilder()
+        options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+        deleteISMIndexRequest.options = options.build()
         adminClient().performRequest(deleteISMIndexRequest)
         createSMPolicy(randomSMPolicy())
 
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStartSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStartSnapshotManagementIT.kt
index 8f8d0c67c..ac9ed0fd5 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStartSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStartSnapshotManagementIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -61,8 +63,11 @@ class RestStartSnapshotManagementIT : SnapshotManagementRestTestCase() {
 
     fun `test starting a snapshot management policy with no config index fails`() {
         try {
-            val request = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
-            adminClient().performRequest(request)
+            val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
+            adminClient().performRequest(deleteISMIndexRequest)
             client().makeRequest("POST", "${IndexManagementPlugin.SM_POLICIES_URI}/nonexistent_foo/_start")
             fail("expected response exception")
         } catch (e: ResponseException) {
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStopSnapshotManagementIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStopSnapshotManagementIT.kt
index fa308e552..ef281e9ec 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStopSnapshotManagementIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/snapshotmanagement/resthandler/RestStopSnapshotManagementIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.snapshotmanagement.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
@@ -62,6 +64,9 @@ class RestStopSnapshotManagementIT : SnapshotManagementRestTestCase() {
     fun `test stopping a snapshot management policy with no config index fails`() {
         try {
             val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+            val options = RequestOptions.DEFAULT.toBuilder()
+            options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+            deleteISMIndexRequest.options = options.build()
             adminClient().performRequest(deleteISMIndexRequest)
             client().makeRequest("POST", "${IndexManagementPlugin.SM_POLICIES_URI}/nonexistent_foo/_stop")
             fail("expected response exception")
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestDeleteTransformActionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestDeleteTransformActionIT.kt
index bc58daa3e..e7ec92eb6 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestDeleteTransformActionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestDeleteTransformActionIT.kt
@@ -6,7 +6,9 @@
 package org.opensearch.indexmanagement.transform.resthandler
 
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.TRANSFORM_BASE_URI
@@ -79,6 +81,9 @@ class RestDeleteTransformActionIT : TransformRestTestCase() {
         try {
             if (indexExists(INDEX_MANAGEMENT_INDEX)) {
                 val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+                val options = RequestOptions.DEFAULT.toBuilder()
+                options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+                deleteISMIndexRequest.options = options.build()
                 adminClient().performRequest(deleteISMIndexRequest)
             }
             val res = client().makeRequest("DELETE", "$TRANSFORM_BASE_URI/foobarbaz")
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestExplainTransformActionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestExplainTransformActionIT.kt
index b9af789d7..b301eb915 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestExplainTransformActionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/transform/resthandler/RestExplainTransformActionIT.kt
@@ -7,7 +7,9 @@ package org.opensearch.indexmanagement.transform.resthandler
 
 import org.junit.Assert
 import org.opensearch.client.Request
+import org.opensearch.client.RequestOptions
 import org.opensearch.client.ResponseException
+import org.opensearch.client.WarningsHandler
 import org.opensearch.core.rest.RestStatus
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.INDEX_MANAGEMENT_INDEX
 import org.opensearch.indexmanagement.IndexManagementPlugin.Companion.TRANSFORM_BASE_URI
@@ -162,6 +164,9 @@ class RestExplainTransformActionIT : TransformRestTestCase() {
     @Throws(Exception::class)
     fun `test explain transform when config doesnt exist`() {
         val deleteISMIndexRequest = Request("DELETE", "/$INDEX_MANAGEMENT_INDEX")
+        val options = RequestOptions.DEFAULT.toBuilder()
+        options.setWarningsHandler(WarningsHandler.PERMISSIVE)
+        deleteISMIndexRequest.options = options.build()
         adminClient().performRequest(deleteISMIndexRequest)
         val responseExplicit = client().makeRequest("GET", "$TRANSFORM_BASE_URI/no_config_some_transform/_explain")
         val expectedResponse = mapOf("no_config_some_transform" to "Failed to search transform metadata")