diff --git a/src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts b/src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts
index c9e04de87f2c0..b78da99da4dc0 100644
--- a/src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts
+++ b/src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts
@@ -57,7 +57,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
       Object {
         "action": "6cfc277ed3211639e37546ac625f4a68f2494215",
         "action_task_params": "5f419caba96dd8c77d0f94013e71d43890e3d5d6",
-        "alert": "1e4cd6941f1eb39c729c646e91fbfb9700de84b9",
+        "alert": "cd2ec6f540cbb9305452e1582ccff8ad00917903",
         "api_key_pending_invalidation": "16e7bcf8e78764102d7f525542d5b616809a21ee",
         "apm-indices": "d19dd7fb51f2d2cbc1f8769481721e0953f9a6d2",
         "apm-server-schema": "1d42f17eff9ec6c16d3a9324d9539e2d123d0a9a",
@@ -123,7 +123,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
         "osquery-pack-asset": "18e08979d46ee7e5538f54c080aec4d8c58516ca",
         "osquery-saved-query": "f5e4e303f65c7607248ea8b2672f1ee30e4fb15e",
         "query": "ec6000b775f06f81470df42d23f7a88cb31d64ba",
-        "rules-settings": "9854495c3b54b16a6625fb250c35e5504da72266",
+        "rules-settings": "2b8b610c10eccd3d5577a1bd817f3e1103abc366",
         "sample-data-telemetry": "c38daf1a49ed24f2a4fb091e6e1e833fccf19935",
         "search": "01bc42d635e9ea0588741c4c7a2bbd3feb3ac5dc",
         "search-session": "58a44d14ec991739166b2ec28d718001ab0f4b28",
diff --git a/x-pack/plugins/alerting/server/saved_objects/mappings.ts b/x-pack/plugins/alerting/server/saved_objects/mappings.ts
index 9e3bc06e7ca39..eba45ebd3f85d 100644
--- a/x-pack/plugins/alerting/server/saved_objects/mappings.ts
+++ b/x-pack/plugins/alerting/server/saved_objects/mappings.ts
@@ -58,20 +58,8 @@ export const alertMappings: SavedObjectsTypeMappingDefinition = {
           properties: {},
         },
         frequency: {
-          properties: {
-            summary: {
-              index: false,
-              type: 'boolean',
-            },
-            notifyWhen: {
-              index: false,
-              type: 'keyword',
-            },
-            throttle: {
-              index: false,
-              type: 'keyword',
-            },
-          },
+          dynamic: false,
+          properties: {},
         },
       },
     },
diff --git a/x-pack/plugins/alerting/server/saved_objects/rules_settings_mappings.ts b/x-pack/plugins/alerting/server/saved_objects/rules_settings_mappings.ts
index d20567edc2832..f719d7cf0a131 100644
--- a/x-pack/plugins/alerting/server/saved_objects/rules_settings_mappings.ts
+++ b/x-pack/plugins/alerting/server/saved_objects/rules_settings_mappings.ts
@@ -10,36 +10,8 @@ import { SavedObjectsTypeMappingDefinition } from '@kbn/core/server';
 export const rulesSettingsMappings: SavedObjectsTypeMappingDefinition = {
   properties: {
     flapping: {
-      properties: {
-        enabled: {
-          type: 'boolean',
-          index: false,
-        },
-        lookBackWindow: {
-          type: 'long',
-          index: false,
-        },
-        statusChangeThreshold: {
-          type: 'long',
-          index: false,
-        },
-        createdBy: {
-          type: 'keyword',
-          index: false,
-        },
-        updatedBy: {
-          type: 'keyword',
-          index: false,
-        },
-        createdAt: {
-          type: 'date',
-          index: false,
-        },
-        updatedAt: {
-          type: 'date',
-          index: false,
-        },
-      },
+      dynamic: false,
+      properties: {},
     },
   },
 };
diff --git a/x-pack/plugins/apm/server/saved_objects/apm_server_settings.ts b/x-pack/plugins/apm/server/saved_objects/apm_server_settings.ts
index 4515903d306f8..86d913d037a4a 100644
--- a/x-pack/plugins/apm/server/saved_objects/apm_server_settings.ts
+++ b/x-pack/plugins/apm/server/saved_objects/apm_server_settings.ts
@@ -17,7 +17,7 @@ export const apmServerSettings: SavedObjectsType = {
     properties: {
       schemaJson: {
         type: 'text',
-        index: false,
+        index: false, // referenced directly in `createCloudApmPackgePolicy`
       },
     },
   },