diff --git a/src/features/conversion.ts b/src/features/conversion.ts
index 397eb4a..1918f51 100644
--- a/src/features/conversion.ts
+++ b/src/features/conversion.ts
@@ -10,7 +10,7 @@ import {
     ProcessedComputable
 } from "util/computed";
 import { createLazyProxy } from "util/proxies";
-import { computed, isRef, Ref, unref } from "vue";
+import { computed, Ref, unref } from "vue";
 import { OptionsFunc, Replace, setDefault } from "./feature";
 import { Resource } from "./resources/resource";