diff --git a/ui/admin/app/lib/service/api/toolreferenceService.ts b/ui/admin/app/lib/service/api/toolreferenceService.ts
index 5605786ac..99b902395 100644
--- a/ui/admin/app/lib/service/api/toolreferenceService.ts
+++ b/ui/admin/app/lib/service/api/toolreferenceService.ts
@@ -37,6 +37,11 @@ async function getToolReferencesCategoryMap(type?: ToolReferenceType) {
     const result: ToolCategoryMap = {};
 
     for (const toolReference of toolReferences) {
+        if (toolReference.deleted) {
+            // skip tools if marked with deleted
+            continue;
+        }
+
         const category = !toolReference.builtin
             ? YourToolsToolCategory
             : toolReference.metadata?.category || UncategorizedToolCategory;