diff --git a/packages/performance-tests/test/cases/identity-transformer.ts b/packages/performance-tests/test/cases/identity-transformer.ts
index ab6b0367..42b62814 100644
--- a/packages/performance-tests/test/cases/identity-transformer.ts
+++ b/packages/performance-tests/test/cases/identity-transformer.ts
@@ -50,7 +50,7 @@ export default async function identityTransformer(context: TestCaseContext) {
       path.join(os.tmpdir(), "identity-test-schemas-dump-")
     );
     // eslint-disable-next-line @itwin/no-internal, deprecation/deprecation
-    sourceDb.nativeDb.exportSchemas(schemaDumpDir);
+    sourceDb.exportSchemas(schemaDumpDir);
     Logger.logInfo(loggerCategory, `dumped schemas to: ${schemaDumpDir}`);
     throw err;
   } finally {
diff --git a/packages/performance-tests/test/cases/prepare-fork.ts b/packages/performance-tests/test/cases/prepare-fork.ts
index bdb6147b..8c3a65bd 100644
--- a/packages/performance-tests/test/cases/prepare-fork.ts
+++ b/packages/performance-tests/test/cases/prepare-fork.ts
@@ -52,7 +52,7 @@ export default async function prepareFork(context: TestCaseContext) {
       path.join(os.tmpdir(), "fork-test-schemas-dump-")
     );
     // eslint-disable-next-line @itwin/no-internal, deprecation/deprecation
-    sourceDb.nativeDb.exportSchemas(schemaDumpDir);
+    sourceDb.exportSchemas(schemaDumpDir);
     Logger.logInfo(loggerCategory, `dumped schemas to: ${schemaDumpDir}`);
     throw err;
   } finally {
diff --git a/packages/performance-tests/test/iModelUtils.ts b/packages/performance-tests/test/iModelUtils.ts
index e83ff963..610bc88f 100644
--- a/packages/performance-tests/test/iModelUtils.ts
+++ b/packages/performance-tests/test/iModelUtils.ts
@@ -31,16 +31,7 @@ export interface IModelParams {
 // TODO: dedup with other packages
 // for testing purposes only, based on SetToStandalone.ts, force a snapshot to mimic a standalone iModel
 export function setToStandalone(iModelPath: string) {
-  // eslint-disable-next-line @itwin/no-internal, deprecation/deprecation
-  const nativeDb = new IModelHost.platform.DgnDb();
-  nativeDb.openIModel(iModelPath, OpenMode.ReadWrite);
-  nativeDb.setITwinId(Guid.empty); // empty iTwinId means "standalone"
-  nativeDb.saveChanges(); // save change to iTwinId
-  nativeDb.deleteAllTxns(); // necessary before resetting briefcaseId
-  nativeDb.resetBriefcaseId(BriefcaseIdValue.Unassigned); // standalone iModels should always have BriefcaseId unassigned
-  nativeDb.saveLocalValue("StandaloneEdit", JSON.stringify({ txns: true }));
-  nativeDb.saveChanges(); // save change to briefcaseId
-  nativeDb.closeFile();
+  StandaloneDb.convertToStandalone(iModelPath);
 }
 
 export function generateTestIModel(iModelParam: IModelParams): TestIModel {