diff --git a/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/Event.java b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/Event.java
index 3eaa98e..44867ce 100644
--- a/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/Event.java
+++ b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/Event.java
@@ -19,7 +19,7 @@ public class Event {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @Column(nullable = false, unique = true)
+    @Column
     private String code;
 
     @Column(nullable = false)
diff --git a/support-portal-frontend/src/app/component/event-form/event-form.component.html b/support-portal-frontend/src/app/component/event-form/event-form.component.html
index c4fdaa9..cc0b864 100644
--- a/support-portal-frontend/src/app/component/event-form/event-form.component.html
+++ b/support-portal-frontend/src/app/component/event-form/event-form.component.html
@@ -28,7 +28,7 @@
                 <div class="form-group">
                   <label for="code">
                     <i class="bi bi-upc"></i>
-                    Event Code *
+                    Event Code
                   </label>
                   <input id="code" formControlName="code" class="form-input" placeholder="Enter event code">
                 </div>
diff --git a/support-portal-frontend/src/app/component/event-form/event-form.component.ts b/support-portal-frontend/src/app/component/event-form/event-form.component.ts
index 0d4ed07..e9b06ab 100644
--- a/support-portal-frontend/src/app/component/event-form/event-form.component.ts
+++ b/support-portal-frontend/src/app/component/event-form/event-form.component.ts
@@ -28,7 +28,7 @@ export class EventFormComponent implements OnInit {
 
   ngOnInit() {
     this.eventForm = this.fb.group({
-      code: ['', Validators.required],
+      code: [''],
       year: ['', Validators.required],
       subject: ['', Validators.required],
       title: ['', Validators.required],