1 files changed, 0 insertions, 15 deletions
diff --git a/middleware/pkg/dnsutil/cname.go b/middleware/pkg/dnsutil/cname.go
deleted file mode 100644
index 281e03218..000000000
--- a/middleware/pkg/dnsutil/cname.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package dnsutil
-
-import "github.com/miekg/dns"
-
-// DuplicateCNAME returns true if r already exists in records.
-func DuplicateCNAME(r *dns.CNAME, records []dns.RR) bool {
-	for _, rec := range records {
-		if v, ok := rec.(*dns.CNAME); ok {
-			if v.Target == r.Target {
-				return true
-			}
-		}
-	}
-	return false
-}