diff --git a/.github/workflows/reload-dns.yml b/.github/workflows/reload-dns.yml
deleted file mode 100644
index 540ac7f..0000000
--- a/.github/workflows/reload-dns.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: reload-dns
-concurrency: fogtype.com
-on:
-  workflow_dispatch:
-  schedule:
-    # 土曜日 02:30 (JST) は 金曜日 17:30 (UTC)
-    # https://time.is/compare/JST
-    # https://crontab.guru/#30_17_*_*_FRI
-    - cron: 30 17 * * FRI
-jobs:
-  main:
-    runs-on: ubuntu-latest
-    steps:
-      - run: install -m 700 -d ~/.ssh
-      - run: install -m 600 <(echo '${{ secrets.DEPLOY_KEY }}') ~/.ssh/deploy_key
-      - run: ssh -i ~/.ssh/deploy_key -o 'StrictHostKeyChecking no' kou029w@fogtype.com 'sh -c "cd ~/fogtype.com && docker compose restart dns"'
diff --git a/compose.yml b/compose.yml
index 9241273..bac55a1 100644
--- a/compose.yml
+++ b/compose.yml
@@ -15,28 +15,6 @@ services:
       - caddy_config:/config
     networks:
       - fogtype
-  dns:
-    image: coredns/coredns:1.11.1@sha256:1eeb4c7316bacb1d4c8ead65571cd92dd21e27359f0d4917f1a5822a73b75db1
-    restart: unless-stopped
-    expose: ["443"]
-    ports:
-      - "853:853"
-      - "127.0.0.1:9153:9153"
-    volumes:
-      - ./etc/coredns:/etc/coredns
-      - coredns_data:/var/lib/coredns
-    command: "-conf /etc/coredns/Corefile"
-    networks:
-      - fogtype
-  cron:
-    image: alpine:3.20@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
-    restart: unless-stopped
-    volumes:
-      - ./etc/periodic:/etc/periodic:ro
-      - caddy_data:/var/lib/caddy/data:ro
-      - coredns_data:/var/lib/coredns
-    init: true
-    command: ["/usr/sbin/crond", "-f", "-L", "/dev/stdout"]
   gts:
     image: superseriousbusiness/gotosocial:0.15.0@sha256:0b5d2a6707d0ecb841644141cd823d73cb3421dd7db78fe0f403dbe2d5fe33f4
     restart: unless-stopped
@@ -82,7 +60,6 @@ services:
 volumes:
   caddy_data:
   caddy_config:
-  coredns_data:
   gotosocial_data:
   maddy_data:
   headscale_data:
diff --git a/etc/caddy/Caddyfile b/etc/caddy/Caddyfile
index 359bccd..dd685f9 100644
--- a/etc/caddy/Caddyfile
+++ b/etc/caddy/Caddyfile
@@ -9,13 +9,6 @@ fogtype.com {
 www.fogtype.com {
 	redir https://fogtype.com{uri} 308
 }
-dns.fogtype.com {
-	reverse_proxy /dns-query https://dns {
-		transport http {
-			tls_server_name dns.fogtype.com
-		}
-	}
-}
 net.fogtype.com {
 	reverse_proxy headscale:8080
 }
diff --git a/etc/coredns/Corefile b/etc/coredns/Corefile
deleted file mode 100644
index 21b7a86..0000000
--- a/etc/coredns/Corefile
+++ /dev/null
@@ -1,12 +0,0 @@
-https://. tls://. {
-	tls /var/lib/coredns/certificates/acme-v02.api.letsencrypt.org-directory/dns.fogtype.com/dns.fogtype.com.crt /var/lib/coredns/certificates/acme-v02.api.letsencrypt.org-directory/dns.fogtype.com/dns.fogtype.com.key
-	reload
-	prometheus 0.0.0.0:9153
-	cache 10
-	hosts {
-		fallthrough
-	}
-	forward . tls://1.1.1.1 tls://1.0.0.1 {
-		tls_servername tls.cloudflare-dns.com
-	}
-}
diff --git a/etc/periodic/weekly/certificates b/etc/periodic/weekly/certificates
deleted file mode 100755
index 575ec81..0000000
--- a/etc/periodic/weekly/certificates
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-set -eu
-install \
-  -D \
-  -m 644 \
-  -t /var/lib/coredns/certificates/acme-v02.api.letsencrypt.org-directory/dns.fogtype.com/ \
-  /var/lib/caddy/data/caddy/certificates/acme-v02.api.letsencrypt.org-directory/dns.fogtype.com/dns.fogtype.com.*