diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mariadb/mariadb.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mariadb/mariadb.yaml
index 49aa23579..def0f07da 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mariadb/mariadb.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mariadb/mariadb.yaml
@@ -29,8 +29,25 @@ spec:
     accessModes:
       - ReadWriteOnce
 
-  service:
-    type: ClusterIP
+  livenessProbe:
+    exec:
+      command:
+        - bash
+        - -c
+        - mysql -u root -p"${MARIADB_ROOT_PASSWORD}" -e "SELECT 1;"
+    initialDelaySeconds: 20
+    periodSeconds: 10
+    timeoutSeconds: 5
+
+  readinessProbe:
+    exec:
+      command:
+        - bash
+        - -c
+        - mysql -u root -p"${MARIADB_ROOT_PASSWORD}" -e "SELECT 1;"
+    initialDelaySeconds: 20
+    periodSeconds: 10
+    timeoutSeconds: 5
 
   metrics:
     exporter:
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/mariadb/mariadb.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/mariadb/mariadb.yaml
index ce83924a4..524e251b3 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/mariadb/mariadb.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/mariadb/mariadb.yaml
@@ -21,47 +21,6 @@ spec:
 
   port: 3306
 
-  replicas: 3
-
-  replication:
-    enabled: true
-    primary:
-      podIndex: 0
-      automaticFailover: true
-    replica:
-      waitPoint: AfterSync
-      connectionTimeout: 10s
-      connectionRetries: 10
-      syncTimeout: 10s
-
-  primaryService:
-    type: ClusterIP
-  primaryConnection:
-    secretName: primary-mariadb-conn
-    secretTemplate:
-      key: dsn
-
-  affinity:
-    podAntiAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        - topologyKey: "kubernetes.io/hostname"
-
-  tolerations:
-    - key: "mariadb.mmontes.io/ha"
-      operator: "Exists"
-      effect: "NoSchedule"
-
-  podDisruptionBudget:
-    minAvailable: "66%"
-
-  myCnf: |
-    [mysqld]
-    bind-address=0.0.0.0
-    default_storage_engine=InnoDB
-    binlog_format=row
-    innodb_autoinc_lock_mode=2
-    max_allowed_packet=256M
-
   volumeClaimTemplate:
     resources:
       requests: