diff --git a/ui2/src/components/Viewer/ThumbnailsToggle/ThumbnailsToggle.tsx b/ui2/src/components/Viewer/ThumbnailsToggle/ThumbnailsToggle.tsx
index 609586a60..3bf16218a 100644
--- a/ui2/src/components/Viewer/ThumbnailsToggle/ThumbnailsToggle.tsx
+++ b/ui2/src/components/Viewer/ThumbnailsToggle/ThumbnailsToggle.tsx
@@ -43,7 +43,7 @@ export default function ThumbnailsToggle() {
           page: {id: p.page.id, number: p.page.number}
         }
       })
-      dispatch(applyPageOpChanges({pages, panel: mode}))
+      dispatch(applyPageOpChanges({pages: _pages, panel: mode}))
     }
   }
 
diff --git a/ui2/src/slices/dualPanel/types.ts b/ui2/src/slices/dualPanel/types.ts
index 5f271599b..e20dec120 100644
--- a/ui2/src/slices/dualPanel/types.ts
+++ b/ui2/src/slices/dualPanel/types.ts
@@ -8,7 +8,6 @@ import type {
   PaginationType,
   BreadcrumbItemType,
   DocumentVersionWithPageRot,
-  PageType,
   PageAndRotOp
 } from "@/types"