diff --git a/config/samples/middleware_v1_redis_cluster.yaml b/config/samples/middleware_v1_redis_cluster.yaml
index 88a5e65..a484af6 100644
--- a/config/samples/middleware_v1_redis_cluster.yaml
+++ b/config/samples/middleware_v1_redis_cluster.yaml
@@ -5,7 +5,6 @@ metadata:
 spec:
   affinityPolicy: AntiAffinityInSharding
   arch: cluster
-  backup: {}
   customConfig:
     acllog-max-len: "128"
     active-defrag-cycle-max: "25"
diff --git a/config/samples/middleware_v1_redis_failover.yaml b/config/samples/middleware_v1_redis_failover.yaml
index 20ac1e0..822eb36 100644
--- a/config/samples/middleware_v1_redis_failover.yaml
+++ b/config/samples/middleware_v1_redis_failover.yaml
@@ -18,7 +18,6 @@ spec:
             - redis-failover
         topologyKey: kubernetes.io/hostname
   arch: sentinel
-  backup: {}
   customConfig:
     acllog-max-len: "128"
     active-defrag-cycle-max: "25"
@@ -128,7 +127,6 @@ spec:
     requests:
       cpu: 300m
       memory: 300Mi
-  restore: {}
   sentinel:
     affinity:
       podAntiAffinity: