diff --git a/dnsapi/dns_burp.sh b/dnsapi/dns_burp.sh
index 62815062..93169621 100644
--- a/dnsapi/dns_burp.sh
+++ b/dnsapi/dns_burp.sh
@@ -8,7 +8,6 @@
 ########  Public functions #####################
 
 dns_burp_add() {
-  fulldomain=$1
   txtvalue=$2
   _info "Using burp"
   BURP_COLLABORATOR_CONFIG="${BURP_COLLABORATOR_CONFIG:-$(_readaccountconf_mutable BURP_COLLABORATOR_CONFIG)}"