diff --git a/src/utils/array.js b/src/utils/array.js
deleted file mode 100644
index 552a2c42..00000000
--- a/src/utils/array.js
+++ /dev/null
@@ -1,2 +0,0 @@
-// https://stackoverflow.com/a/43053803
-export const cartesianProduct = (...a) => a.reduce((b, c) => b.flatMap((d) => c.map((e) => [d, e].flat())));