diff --git a/server/src/main/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfig.java b/server/src/main/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfig.java
index b2511c5e..37fc3cb8 100644
--- a/server/src/main/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfig.java
+++ b/server/src/main/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfig.java
@@ -68,7 +68,6 @@ public InfoContributor externalApiInfoContributor(
     public HealthIndicator ogcApiHealth(
             @Value("${elasticsearch.vocabs_index.name}") String vocabIndexName,
             @Value("${elasticsearch.index.name}") String indexName,
-            @Value("${elasticsearch.cloud_optimized_index.name}") String coIndexName,
             ElasticsearchClient client) {
         return () -> {
             try {
@@ -91,13 +90,6 @@ public HealthIndicator ogcApiHealth(
                             .build();
                 }
 
-                if(!client.indices().exists(ExistsRequest.of(b -> b.index(coIndexName))).value()) {
-                    return Health.status(ErrorCode.MISSING_CO_CORE_INDEX.getStatus())
-                            .withDetail("reason", ErrorCode.MISSING_CO_CORE_INDEX.getMessage())
-                            .withDetail("code", ErrorCode.MISSING_CO_CORE_INDEX.getCode())
-                            .build();
-                }
-
                 if(!client.indices().exists(ExistsRequest.of(b -> b.index(vocabIndexName))).value()) {
                     return Health.status(ErrorCode.MISSING_VOCAB_INDEX.getStatus())
                             .withDetail("reason", ErrorCode.MISSING_VOCAB_INDEX.getMessage())
diff --git a/server/src/test/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfigTest.java b/server/src/test/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfigTest.java
index 63cf02c0..d01cf7c9 100644
--- a/server/src/test/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfigTest.java
+++ b/server/src/test/java/au/org/aodn/ogcapi/server/core/configuration/ActuatorConfigTest.java
@@ -50,7 +50,6 @@ public class ActuatorConfigTest {
     private ActuatorConfig config;
 
     private static final String INDEX       = "test-core";
-    private static final String CO_INDEX    = "test-co-core";
     private static final String VOCAB_INDEX = "test-vocabs";
 
     @BeforeEach
@@ -74,7 +73,7 @@ void greenCluster_allIndicesExist_returnsUp() throws Exception {
         when(clusterHealth.status()).thenReturn(HealthStatus.Green);
         when(client.indices().exists(any(ExistsRequest.class))).thenReturn(booleanHealthTrue);
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
         assertEquals(Status.UP, health.getStatus());
     }
 
@@ -84,7 +83,7 @@ void redCluster_returnsUnavailable() throws Exception {
         when(client.cluster().health(any(Function.class))).thenReturn(clusterHealth);
         when(clusterHealth.status()).thenReturn(HealthStatus.Red);
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
 
         assertEquals(ErrorCode.ELASTICSEARCH_UNAVAILABLE.getStatus(), health.getStatus().toString());
         assertTrue(health.getDetails().containsValue(ErrorCode.ELASTICSEARCH_UNAVAILABLE.getMessage()));
@@ -96,7 +95,7 @@ void yellowCluster_returnsUnavailable() throws Exception {
         when(client.cluster().health(any(Function.class))).thenReturn(clusterHealth);
         when(clusterHealth.status()).thenReturn(HealthStatus.Yellow);
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
         assertEquals(ErrorCode.ELASTICSEARCH_UNAVAILABLE.getStatus(), health.getStatus().toString());
     }
 
@@ -105,7 +104,7 @@ void yellowCluster_returnsUnavailable() throws Exception {
     void exceptionThrown_returnsUnavailableWithException() throws Exception {
         when(client.cluster().health(any(Function.class))).thenThrow(new RuntimeException("connection failed"));
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
 
         assertEquals(ErrorCode.ELASTICSEARCH_UNAVAILABLE.getStatus(), health.getStatus().toString());
         // Exception details in error section
@@ -128,7 +127,7 @@ void missingCoreIndex_returnsMissingCoreIndex() throws Exception {
             return req.index().contains(INDEX) ? booleanHealthFalse : booleanHealthTrue;
         });
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
         assertEquals(ErrorCode.MISSING_CORE_INDEX.getCode(), health.getDetails().get("code").toString());
     }
 
@@ -141,7 +140,7 @@ void missingVocabIndex_returnsMissingVocabIndex() throws Exception {
             return req.index().contains(VOCAB_INDEX) ? booleanHealthFalse : booleanHealthTrue;
         });
 
-        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, CO_INDEX, client).health();
+        Health health = config.ogcApiHealth(VOCAB_INDEX, INDEX, client).health();
         assertEquals(ErrorCode.MISSING_VOCAB_INDEX.getCode(), health.getDetails().get("code").toString());
     }
 }