diff --git a/docs/development/core/server/kibana-plugin-core-server.savedobjectmigrationfn.md b/docs/development/core/server/kibana-plugin-core-server.savedobjectmigrationfn.md
index 20b13174f0a2c7..666b9f2c352388 100644
--- a/docs/development/core/server/kibana-plugin-core-server.savedobjectmigrationfn.md
+++ b/docs/development/core/server/kibana-plugin-core-server.savedobjectmigrationfn.md
@@ -9,14 +9,14 @@ A migration function for a [saved object type](./kibana-plugin-core-server.saved
 <b>Signature:</b>
 
 ```typescript
-export declare type SavedObjectMigrationFn<InputProps = any, MigratedProps = any> = (doc: SavedObjectUnsanitizedDoc<InputProps>, context: SavedObjectMigrationContext) => SavedObjectUnsanitizedDoc<MigratedProps>;
+export declare type SavedObjectMigrationFn<InputAttributes = unknown, MigratedAttributes = unknown> = (doc: SavedObjectUnsanitizedDoc<InputAttributes>, context: SavedObjectMigrationContext) => SavedObjectUnsanitizedDoc<MigratedAttributes>;
 ```
 
 ## Example
 
 
 ```typescript
-const migrateProperty: SavedObjectMigrationFn = (doc, { log }) => {
+const migrateProperty: SavedObjectMigrationFn<MyUnmigratedAttributes, MyMigratedAttributes> = (doc, { log }) => {
   if(doc.attributes.someProp === null) {
     log.warn('Skipping migration');
   } else {
diff --git a/src/core/server/server.api.md b/src/core/server/server.api.md
index 12524b5d9e90a2..9af2dcc9ff891b 100644
--- a/src/core/server/server.api.md
+++ b/src/core/server/server.api.md
@@ -1682,7 +1682,7 @@ export interface SavedObjectMigrationContext {
 // Warning: (ae-forgotten-export) The symbol "SavedObjectUnsanitizedDoc" needs to be exported by the entry point index.d.ts
 //
 // @public
-export type SavedObjectMigrationFn<InputProps = any, MigratedProps = any> = (doc: SavedObjectUnsanitizedDoc<InputProps>, context: SavedObjectMigrationContext) => SavedObjectUnsanitizedDoc<MigratedProps>;
+export type SavedObjectMigrationFn<InputAttributes = unknown, MigratedAttributes = unknown> = (doc: SavedObjectUnsanitizedDoc<InputAttributes>, context: SavedObjectMigrationContext) => SavedObjectUnsanitizedDoc<MigratedAttributes>;
 
 // @public
 export interface SavedObjectMigrationMap {