diff --git a/Dockerfile b/Dockerfile
index 1f04de4..2863e89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,6 @@
 FROM alpine:3.20.0
 
 ENV TZ=Europe/Paris
-ENV DDNS_MYADDR_NO_UPDATE_LIMIT=30
-ENV DDNS_MYADDR_IP_VERSION="ipv4"
-ENV DDNS_MYADDR_KEY=xxxxx
 
 RUN apk update && apk add --no-cache tzdata curl wget python3 py3-pip
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone