diff --git a/packages/mui-base/src/Fieldset/Root/FieldsetRoot.types.ts b/packages/mui-base/src/Fieldset/Root/FieldsetRoot.types.ts
deleted file mode 100644
index 5405138555..0000000000
--- a/packages/mui-base/src/Fieldset/Root/FieldsetRoot.types.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import type { BaseUIComponentProps } from '../../utils/types';
-
-export type FieldsetRootOwnerState = {
-  disabled: boolean;
-};
-
-export interface FieldsetRootProps
-  extends BaseUIComponentProps<'fieldset', FieldsetRootOwnerState> {}