diff --git a/src/utils/taxonomy.ts b/src/utils/taxonomy.ts
index 01ddfb1..6d9d6b0 100644
--- a/src/utils/taxonomy.ts
+++ b/src/utils/taxonomy.ts
@@ -25,10 +25,6 @@ export function getTaxonomyMap(type: string): TaxonomyMap {
   return taxonomies[type] ?? new Map();
 }
 
-export function registerTaxonomy(type: string, data: TaxonomyItem[]): void {
-  taxonomies[type] = buildMap(data);
-}
-
 function buildHierarchicalPath(
   slug: string,
   map: TaxonomyMap,