diff --git a/src/components/Breadcrumbs/Breadcrumbs.tsx b/src/components/Breadcrumbs/Breadcrumbs.tsx
index 8c078234fd..96fdd8bc50 100644
--- a/src/components/Breadcrumbs/Breadcrumbs.tsx
+++ b/src/components/Breadcrumbs/Breadcrumbs.tsx
@@ -24,12 +24,12 @@ type BaseBreadcrumbsItem = {
     title?: string;
 };
 
-type LinkBreadcrumbsItem = {
+export type LinkBreadcrumbsItem = {
     href: string;
     action?: (event: React.MouseEvent<HTMLElement, MouseEvent> | KeyboardEvent) => void;
 } & BaseBreadcrumbsItem;
 
-type ButtonBreadcrumbsItem = {
+export type ButtonBreadcrumbsItem = {
     href?: undefined;
     action: (event: React.MouseEvent<HTMLElement, MouseEvent> | KeyboardEvent) => void;
 } & BaseBreadcrumbsItem;
diff --git a/src/components/Breadcrumbs/BreadcrumbsButton.tsx b/src/components/Breadcrumbs/BreadcrumbsButton.tsx
index 0f3670958e..8cd51ee818 100644
--- a/src/components/Breadcrumbs/BreadcrumbsButton.tsx
+++ b/src/components/Breadcrumbs/BreadcrumbsButton.tsx
@@ -6,7 +6,7 @@ const b = block('breadcrumbs');
 
 export function BreadcrumbsButton(props: {
     title: string;
-    onClick: React.MouseEventHandler<HTMLElement>;
+    onClick?: React.MouseEventHandler<HTMLElement>;
     children: React.ReactNode;
 }) {
     return <button {...props} type="button" className={b('switcher', {more: true})} />;