diff --git a/x-pack/legacy/plugins/integrations_manager/common/types.ts b/x-pack/legacy/plugins/integrations_manager/common/types.ts
index 96622a84bbe71..6049a33f45893 100644
--- a/x-pack/legacy/plugins/integrations_manager/common/types.ts
+++ b/x-pack/legacy/plugins/integrations_manager/common/types.ts
@@ -10,15 +10,14 @@ export { Request, ResponseToolkit, Server, ServerRoute } from 'hapi';
 
 export type InstallationStatus = Installed['status'] | NotInstalled['status'];
 
-export enum AssetType {
-  config = 'config',
-  dashboard = 'dashboard',
-  visualization = 'visualization',
-  search = 'search',
-  ingestPipeline = 'ingest-pipeline',
-  indexPattern = 'index-pattern',
-  timelionSheet = 'timelion-sheet',
-}
+export type AssetType =
+  | 'config'
+  | 'dashboard'
+  | 'visualization'
+  | 'search'
+  | 'ingest-pipeline'
+  | 'index-pattern'
+  | 'timelion-sheet';
 
 // Registry's response types
 // from /search
diff --git a/x-pack/legacy/plugins/integrations_manager/server/packages/index.ts b/x-pack/legacy/plugins/integrations_manager/server/packages/index.ts
index 301b7b1c2de7f..44369e3574692 100644
--- a/x-pack/legacy/plugins/integrations_manager/server/packages/index.ts
+++ b/x-pack/legacy/plugins/integrations_manager/server/packages/index.ts
@@ -15,12 +15,12 @@ export * from './handlers';
 export type CallESAsCurrentUser = ScopedClusterClient['callAsCurrentUser'];
 
 export const SAVED_OBJECT_TYPES = new Set<AssetType>([
-  AssetType.config,
-  AssetType.dashboard,
-  AssetType.indexPattern,
-  AssetType.search,
-  AssetType.timelionSheet,
-  AssetType.visualization,
+  'config',
+  'dashboard',
+  'index-pattern',
+  'search',
+  'timelion-sheet',
+  'visualization',
 ]);
 
 export function getClusterAccessor(esClient: IClusterClient, req: Request) {
diff --git a/x-pack/legacy/plugins/integrations_manager/server/packages/install.ts b/x-pack/legacy/plugins/integrations_manager/server/packages/install.ts
index 7aec740846978..6df6cefb3723b 100644
--- a/x-pack/legacy/plugins/integrations_manager/server/packages/install.ts
+++ b/x-pack/legacy/plugins/integrations_manager/server/packages/install.ts
@@ -45,7 +45,7 @@ export async function installAssets(options: {
 
   // Only install certain Kibana assets during package installation.
   // All other asset types need special handling
-  const typesToInstall = [AssetType.visualization, AssetType.dashboard, AssetType.search];
+  const typesToInstall: AssetType[] = ['visualization', 'dashboard', 'search'];
 
   const installationPromises = typesToInstall.map(async assetType =>
     installKibanaSavedObjects({ savedObjectsClient, pkgkey, assetType })
diff --git a/x-pack/legacy/plugins/integrations_manager/server/packages/remove.ts b/x-pack/legacy/plugins/integrations_manager/server/packages/remove.ts
index 030c68ca20b48..69ba20b77c166 100644
--- a/x-pack/legacy/plugins/integrations_manager/server/packages/remove.ts
+++ b/x-pack/legacy/plugins/integrations_manager/server/packages/remove.ts
@@ -29,9 +29,10 @@ export async function removeInstallation(options: {
 
   // Delete the installed assets
   const deletePromises = installedObjects.map(async ({ id, type }) => {
-    if (assetUsesObjects(type as AssetType)) {
-      savedObjectsClient.delete(type, id);
-    } else if (type === AssetType.ingestPipeline) {
+    const assetType = type as AssetType;
+    if (assetUsesObjects(assetType)) {
+      savedObjectsClient.delete(assetType, id);
+    } else if (assetType === 'ingest-pipeline') {
       deletePipeline(callCluster, id);
     }
   });