diff --git a/ui/src/app/account/login/login.component.ts b/ui/src/app/account/login/login.component.ts
index 9969e4782..f8b06be60 100644
--- a/ui/src/app/account/login/login.component.ts
+++ b/ui/src/app/account/login/login.component.ts
@@ -38,7 +38,7 @@ export class LoginComponent implements AfterViewInit, OnDestroy {
     private ngZone: NgZone
   ) {
     this.sub = this.eventService.on(EventType.LOG_IN_SUCCESS).subscribe((e) => {
-      console.log(e.payload)
+      console.log('login success')
     })
   }
 
@@ -109,7 +109,7 @@ export class LoginComponent implements AfterViewInit, OnDestroy {
       this.router.navigate([''])
     })
 
-    this.eventService.broadcast(new Event(EventType.LOG_IN_SUCCESS, 'logged in'))
+    this.eventService.broadcast(new Event(EventType.LOG_IN_SUCCESS))
 
     // previousState was set in the authExpiredInterceptor before being redirected to login modal.
     // since login is successful, go to stored previousState and clear previousState
diff --git a/ui/src/app/affiliation/affiliation-delete.component.ts b/ui/src/app/affiliation/affiliation-delete.component.ts
index 8dcf23cfe..cedb715f0 100644
--- a/ui/src/app/affiliation/affiliation-delete.component.ts
+++ b/ui/src/app/affiliation/affiliation-delete.component.ts
@@ -45,12 +45,10 @@ export class AffiliationDeleteDialogComponent implements OnInit {
     if (id) {
       this.affiliationService.delete(id).subscribe((response) => {
         if (response) {
-          this.eventService.broadcast(new Event(EventType.AFFILIATION_LIST_MODIFICATION, 'Deleted an affiliation'))
+          this.eventService.broadcast(new Event(EventType.AFFILIATION_LIST_MODIFICATION))
           this.alertService.broadcast(AlertType.AFFILIATION_DELETED)
         } else {
-          this.eventService.broadcast(
-            new Event(EventType.AFFILIATION_LIST_MODIFICATION, 'Failed to delete an affiliation')
-          )
+          this.eventService.broadcast(new Event(EventType.AFFILIATION_LIST_MODIFICATION))
           this.alertService.broadcast(AlertType.AFFILIATION_DELETE_FAILURE)
         }
         this.activeModal.dismiss(true)
diff --git a/ui/src/app/affiliation/affiliation-import-dialog.component.ts b/ui/src/app/affiliation/affiliation-import-dialog.component.ts
index 2daf0db93..4b8a04fe9 100644
--- a/ui/src/app/affiliation/affiliation-import-dialog.component.ts
+++ b/ui/src/app/affiliation/affiliation-import-dialog.component.ts
@@ -63,7 +63,7 @@ export class AffiliationImportDialogComponent {
   }
 
   close() {
-    this.eventService.broadcast(new Event(EventType.IMPORT_AFFILIATIONS, ''))
+    this.eventService.broadcast(new Event(EventType.IMPORT_AFFILIATIONS))
     this.activeModal.dismiss(true)
   }
 }
diff --git a/ui/src/app/affiliation/send-notifications-dialog.component.ts b/ui/src/app/affiliation/send-notifications-dialog.component.ts
index 068f7de96..7d8d4d84e 100644
--- a/ui/src/app/affiliation/send-notifications-dialog.component.ts
+++ b/ui/src/app/affiliation/send-notifications-dialog.component.ts
@@ -70,7 +70,6 @@ export class SendNotificationsDialogComponent implements OnInit {
   close() {
     this.eventService.broadcast({
       type: EventType.SEND_NOTIFICATIONS,
-      payload: 'Send notifications',
     })
     this.activeModal.dismiss(true)
   }
diff --git a/ui/src/app/member/member-import-dialog.component.ts b/ui/src/app/member/member-import-dialog.component.ts
index a60ac72b6..a7db1aeb2 100644
--- a/ui/src/app/member/member-import-dialog.component.ts
+++ b/ui/src/app/member/member-import-dialog.component.ts
@@ -50,7 +50,7 @@ export class MemberImportDialogComponent {
           this.csvErrors = JSON.parse(res)
           this.loading = false
           if (this.csvErrors.length === 0) {
-            this.eventService.broadcast(new Event(EventType.MEMBER_LIST_MODIFICATION, 'New member uploaded'))
+            this.eventService.broadcast(new Event(EventType.MEMBER_LIST_MODIFICATION))
             this.activeModal.dismiss(true)
           }
         }
diff --git a/ui/src/app/shared/model/event.model.ts b/ui/src/app/shared/model/event.model.ts
index 5643c6f10..3fce64cd6 100644
--- a/ui/src/app/shared/model/event.model.ts
+++ b/ui/src/app/shared/model/event.model.ts
@@ -1,8 +1,5 @@
 import { EventType } from 'src/app/app.constants'
 
 export class Event {
-  constructor(
-    public type: EventType,
-    public payload: string
-  ) {}
+  constructor(public type: EventType) {}
 }
diff --git a/ui/src/app/user/user-delete.component.ts b/ui/src/app/user/user-delete.component.ts
index 549765efe..1a1e9f8ef 100644
--- a/ui/src/app/user/user-delete.component.ts
+++ b/ui/src/app/user/user-delete.component.ts
@@ -33,7 +33,7 @@ export class UserDeleteDialogComponent implements OnInit {
   confirmDelete(id: string | undefined) {
     if (id) {
       this.userService.delete(id).subscribe(() => {
-        this.eventService.broadcast(new Event(EventType.USER_LIST_MODIFIED, 'Deleted a user'))
+        this.eventService.broadcast(new Event(EventType.USER_LIST_MODIFIED))
         this.activeModal.dismiss(true)
         this.alertService.broadcast(AlertType.USER_DELETED)
       })
diff --git a/ui/src/app/user/user-import-dialog.component.ts b/ui/src/app/user/user-import-dialog.component.ts
index d9ef0ecb7..5c6f2e11f 100644
--- a/ui/src/app/user/user-import-dialog.component.ts
+++ b/ui/src/app/user/user-import-dialog.component.ts
@@ -52,7 +52,7 @@ export class UserImportDialogComponent {
           this.csvErrors = JSON.parse(res)
           this.loading = false
           if (this.csvErrors.length === 0) {
-            this.eventService.broadcast(new Event(EventType.USER_LIST_MODIFIED, 'New user settings uploaded'))
+            this.eventService.broadcast(new Event(EventType.USER_LIST_MODIFIED))
             this.activeModal.dismiss(true)
           }
         }