diff --git a/src/internal/bot/common.go b/src/internal/bot/common.go
deleted file mode 100644
index 8eae14e..0000000
--- a/src/internal/bot/common.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package bot
-
-func orderMap(m map[string]int64) []string {
-	keys := make([]string, 0, len(m))
-	for k := range m {
-		keys = append(keys, k)
-	}
-
-	return keys
-}