diff --git a/api/src/utils/getUsernameIpKey.ts b/api/src/utils/getUsernameIpKey.ts
deleted file mode 100644
index 40c4cc4..0000000
--- a/api/src/utils/getUsernameIpKey.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export const getUsernameIPKey = (username: string, ip: string) =>
-  `${username}_${ip}`