diff --git a/src/plugins/data/public/query/query_string/dataset_service/lib/index_type.ts b/src/plugins/data/public/query/query_string/dataset_service/lib/index_type.ts
index 272db09eabe8..5d81e157e413 100644
--- a/src/plugins/data/public/query/query_string/dataset_service/lib/index_type.ts
+++ b/src/plugins/data/public/query/query_string/dataset_service/lib/index_type.ts
@@ -119,19 +119,17 @@ const fetchDataSources = async (client: SavedObjectsClientContract) => {
     type: 'data-source',
     perPage: 10000,
   });
-  const dataSources: DataStructure[] = [DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE].concat(
-    response.savedObjects
-      .filter(
-        (savedObject) =>
-          typeof savedObject.attributes?.dataSourceEngineType === 'string' &&
-          !savedObject.attributes?.dataSourceEngineType?.includes('OpenSearch Serverless')
-      )
-      .map((savedObject) => ({
-        id: savedObject.id,
-        title: savedObject.attributes.title,
-        type: 'DATA_SOURCE',
-      }))
-  );
+  const dataSources: DataStructure[] = response.savedObjects
+    .filter(
+      (savedObject) =>
+        typeof savedObject.attributes?.dataSourceEngineType === 'string' &&
+        !savedObject.attributes?.dataSourceEngineType?.includes('OpenSearch Serverless')
+    )
+    .map((savedObject) => ({
+      id: savedObject.id,
+      title: savedObject.attributes.title,
+      type: 'DATA_SOURCE',
+    }));
 
   return injectMetaToDataStructures(dataSources);
 };
diff --git a/src/plugins/query_enhancements/public/datasets/s3_type.test.ts b/src/plugins/query_enhancements/public/datasets/s3_type.test.ts
index 3f085c135f28..eb1df6736303 100644
--- a/src/plugins/query_enhancements/public/datasets/s3_type.test.ts
+++ b/src/plugins/query_enhancements/public/datasets/s3_type.test.ts
@@ -150,8 +150,8 @@ describe('s3TypeConfig', () => {
         { id: 'unknown', title: 'Unknown', type: 'UNKNOWN' },
       ]);
 
-      expect(result.children).toHaveLength(2); // Including DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE
-      expect(result.children?.[1].title).toBe('DataSource 1');
+      expect(result.children).toHaveLength(1); // Including DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE
+      expect(result.children?.[0].title).toBe('DataSource 1');
       expect(result.hasNext).toBe(true);
     });
 
@@ -171,9 +171,9 @@ describe('s3TypeConfig', () => {
         { id: 'unknown', title: 'Unknown', type: 'UNKNOWN' },
       ]);
 
-      expect(result.children).toHaveLength(3); // Including DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE
-      expect(result.children?.[1].title).toBe('DataSource 1');
-      expect(result.children?.[2].title).toBe('DataSource 3');
+      expect(result.children).toHaveLength(2); // Including DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE
+      expect(result.children?.[0].title).toBe('DataSource 1');
+      expect(result.children?.[1].title).toBe('DataSource 3');
       expect(result.children?.some((child) => child.title === 'DataSource 2')).toBe(false);
       expect(result.hasNext).toBe(true);
     });
diff --git a/src/plugins/query_enhancements/public/datasets/s3_type.ts b/src/plugins/query_enhancements/public/datasets/s3_type.ts
index a62f2d21cecc..948ed9461ac6 100644
--- a/src/plugins/query_enhancements/public/datasets/s3_type.ts
+++ b/src/plugins/query_enhancements/public/datasets/s3_type.ts
@@ -196,26 +196,24 @@ const fetchDataSources = async (client: SavedObjectsClientContract): Promise<Dat
     type: 'data-source',
     perPage: 10000,
   });
-  const dataSources: DataStructure[] = [DEFAULT_DATA.STRUCTURES.LOCAL_DATASOURCE];
-  return dataSources.concat(
-    resp.savedObjects
-      .filter(
-        (savedObject) =>
-          typeof savedObject.attributes?.dataSourceEngineType === 'string' &&
-          !savedObject.attributes?.dataSourceEngineType?.includes('OpenSearch Serverless')
-      )
-      .map((savedObject) => ({
-        id: savedObject.id,
-        title: savedObject.attributes.title,
-        type: 'DATA_SOURCE',
-        meta: {
-          query: {
-            id: savedObject.id,
-          },
-          type: DATA_STRUCTURE_META_TYPES.CUSTOM,
-        } as DataStructureCustomMeta,
-      }))
-  );
+  const dataSources: DataStructure[] = resp.savedObjects
+    .filter(
+      (savedObject) =>
+        typeof savedObject.attributes?.dataSourceEngineType === 'string' &&
+        !savedObject.attributes?.dataSourceEngineType?.includes('OpenSearch Serverless')
+    )
+    .map((savedObject) => ({
+      id: savedObject.id,
+      title: savedObject.attributes.title,
+      type: 'DATA_SOURCE',
+      meta: {
+        query: {
+          id: savedObject.id,
+        },
+        type: DATA_STRUCTURE_META_TYPES.CUSTOM,
+      } as DataStructureCustomMeta,
+    }));
+  return dataSources;
 };
 
 const fetchConnections = async (