diff --git a/x-pack/test/apm_api_integration/tests/diagnostics/index_pattern_settings.ts b/x-pack/test/apm_api_integration/tests/diagnostics/index_pattern_settings.ts
index 64749066a2e04d..d0ba7b1850d311 100644
--- a/x-pack/test/apm_api_integration/tests/diagnostics/index_pattern_settings.ts
+++ b/x-pack/test/apm_api_integration/tests/diagnostics/index_pattern_settings.ts
@@ -24,7 +24,9 @@ export default function ApiTest({ getService }: FtrProviderContext) {
     describe('When there is no data', () => {
       before(async () => {
         // delete APM index templates
-        await es.indices.deleteIndexTemplate({ name: getApmIndexTemplateNames() });
+        await es.indices.deleteIndexTemplate({
+          name: Object.values(getApmIndexTemplateNames()).flat(),
+        });
       });
 
       it('returns the built-in (non-APM) index templates`', async () => {
diff --git a/x-pack/test/apm_api_integration/tests/diagnostics/index_templates.spec.ts b/x-pack/test/apm_api_integration/tests/diagnostics/index_templates.spec.ts
index 2ece2835b59444..5c94de56abb30d 100644
--- a/x-pack/test/apm_api_integration/tests/diagnostics/index_templates.spec.ts
+++ b/x-pack/test/apm_api_integration/tests/diagnostics/index_templates.spec.ts
@@ -24,7 +24,9 @@ export default function ApiTest({ getService }: FtrProviderContext) {
     describe('When there is no data', () => {
       before(async () => {
         // delete APM index templates
-        await es.indices.deleteIndexTemplate({ name: getApmIndexTemplateNames() });
+        await es.indices.deleteIndexTemplate({
+          name: Object.values(getApmIndexTemplateNames()).flat(),
+        });
       });
 
       it('verifies that none of the default APM index templates exists`', async () => {