diff --git a/core/src/services/redis/backend.rs b/core/src/services/redis/backend.rs
index b3fd69c5dab..df08c46864a 100644
--- a/core/src/services/redis/backend.rs
+++ b/core/src/services/redis/backend.rs
@@ -28,7 +28,6 @@ use std::fmt::Debug;
 use std::fmt::Formatter;
 use std::path::PathBuf;
 use std::time::Duration;
-
 use tokio::sync::OnceCell;
 
 use crate::raw::adapters::kv;
@@ -301,7 +300,7 @@ impl Adapter {
                     .map_err(|err| {
                         Error::new(ErrorKind::ConfigInvalid, "connect to redis failed")
                             .set_source(err)
-                    });
+                    })
             })
             .await?;
         pool.get().await.map_err(|err| match err {
@@ -335,7 +334,6 @@ impl kv::Adapter for Adapter {
             Capability {
                 read: true,
                 write: true,
-                delete: true,
                 ..Default::default()
             },
         )
diff --git a/core/src/services/redis/core.rs b/core/src/services/redis/core.rs
index 2121237507b..ce77dc4f83e 100644
--- a/core/src/services/redis/core.rs
+++ b/core/src/services/redis/core.rs
@@ -15,11 +15,20 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::{Buffer, Error, ErrorKind};
-use redis::aio::{ConnectionLike, ConnectionManager};
+use crate::Buffer;
+use crate::Error;
+use crate::ErrorKind;
+
+use redis::aio::ConnectionLike;
+use redis::aio::ConnectionManager;
+
 use redis::cluster::ClusterClient;
 use redis::cluster_async::ClusterConnection;
-use redis::{from_redis_value, AsyncCommands, Client, RedisError};
+use redis::from_redis_value;
+use redis::AsyncCommands;
+use redis::Client;
+use redis::RedisError;
+
 use std::time::Duration;
 
 #[derive(Clone)]
@@ -131,7 +140,7 @@ impl bb8::ManageConnection for RedisConnectionManager {
         };
         let pong: String = from_redis_value(&pong_value).map_err(format_redis_error)?;
 
-        if pong == String::from("PONG") {
+        if pong == "PONG" {
             Ok(())
         } else {
             Err(Error::new(ErrorKind::Unexpected, "PING ERROR"))
diff --git a/core/src/services/redis/mod.rs b/core/src/services/redis/mod.rs
index 63fac0c8e6d..7ec39a5e832 100644
--- a/core/src/services/redis/mod.rs
+++ b/core/src/services/redis/mod.rs
@@ -19,7 +19,7 @@
 mod backend;
 #[cfg(feature = "services-redis")]
 pub use backend::RedisBuilder as Redis;
+mod config;
 #[cfg(feature = "services-redis")]
 mod core;
-mod config;
-pub use config::RedisConfig;
\ No newline at end of file
+pub use config::RedisConfig;