diff --git a/src/editor/config/config.ts b/src/editor/config/config.ts
index 27708c890..abb3fa6af 100644
--- a/src/editor/config/config.ts
+++ b/src/editor/config/config.ts
@@ -15,6 +15,7 @@ import { SelectorManagerConfig } from '../../selector_manager/config/config';
 import { StorageManagerConfig } from '../../storage_manager/config/config';
 import { UndoManagerConfig } from '../../undo_manager/config';
 import { Plugin } from '../../plugin_manager';
+import { TraitManagerConfig } from '../../trait_manager/config/config';
 
 type AnyObject = Record<string, any>;
 
@@ -378,11 +379,10 @@ export interface EditorConfig {
    */
   blockManager?: BlockManagerConfig;
 
-  // TODO
   /**
    * Configurations for Trait Manager.
    */
-  traitManager?: AnyObject;
+  traitManager?: TraitManagerConfig;
 
   /**
    * Configurations for Page Manager.
diff --git a/src/trait_manager/config/config.ts b/src/trait_manager/config/config.ts
index 88ab1a933..b22397eec 100644
--- a/src/trait_manager/config/config.ts
+++ b/src/trait_manager/config/config.ts
@@ -12,7 +12,7 @@ export interface TraitManagerConfig {
    */
   appendTo?: string | HTMLElement;
 
-  optionsTarget: Record<string, any>[];
+  optionsTarget?: Record<string, any>[];
 }
 
 const config: TraitManagerConfig = {