diff --git a/lapin/src/config.rs b/lapin/src/config.rs
index db53229..d1061c5 100644
--- a/lapin/src/config.rs
+++ b/lapin/src/config.rs
@@ -44,7 +44,7 @@ pub struct Config {
 }
 
 pub(crate) struct ConnProps<'a>(pub(crate) &'a lapin::ConnectionProperties);
-impl<'a> std::fmt::Debug for ConnProps<'a> {
+impl std::fmt::Debug for ConnProps<'_> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         f.debug_struct("ConnectionProperties")
             .field("locale", &self.0.locale)
diff --git a/postgres/src/lib.rs b/postgres/src/lib.rs
index ec141ec..7aac5cb 100644
--- a/postgres/src/lib.rs
+++ b/postgres/src/lib.rs
@@ -552,7 +552,7 @@ impl<'a> Transaction<'a> {
     }
 }
 
-impl<'a> fmt::Debug for Transaction<'a> {
+impl fmt::Debug for Transaction<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("Transaction")
             //.field("txn", &self.txn)
@@ -636,7 +636,7 @@ impl<'a> TransactionBuilder<'a> {
     }
 }
 
-impl<'a> fmt::Debug for TransactionBuilder<'a> {
+impl fmt::Debug for TransactionBuilder<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("TransactionBuilder")
             //.field("builder", &self.builder)
@@ -653,7 +653,7 @@ impl<'a> Deref for TransactionBuilder<'a> {
     }
 }
 
-impl<'a> DerefMut for TransactionBuilder<'a> {
+impl DerefMut for TransactionBuilder<'_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.builder
     }
diff --git a/redis/tests/redis_cluster.rs b/redis/tests/redis_cluster.rs
index f200edf..a73b6aa 100644
--- a/redis/tests/redis_cluster.rs
+++ b/redis/tests/redis_cluster.rs
@@ -57,7 +57,7 @@ async fn test_read_from_replicas() {
     use deadpool_redis::redis::pipe;
     let mut cfg = Config::from_env();
     cfg.redis_cluster.read_from_replicas = true;
-    assert_eq!(cfg.redis_cluster.read_from_replicas, true);
+    assert!(cfg.redis_cluster.read_from_replicas);
 
     let pool = cfg
         .redis_cluster
diff --git a/redis/tests/redis_sentinel.rs b/redis/tests/redis_sentinel.rs
index 2037634..acf5e81 100644
--- a/redis/tests/redis_sentinel.rs
+++ b/redis/tests/redis_sentinel.rs
@@ -187,13 +187,13 @@ async fn test_recycled_with_watch() {
                 .unwrap();
         }
 
-        let get_pipe = pipe()
+        let _get_pipe = pipe()
             .atomic()
             .get("key2")
             .query_async::<Value>(&mut txn_conn)
             .await
             .unwrap();
-        let get = cmd("GET")
+        let _get = cmd("GET")
             .arg("key2")
             .query_async::<Value>(&mut txn_conn)
             .await
diff --git a/src/managed/mod.rs b/src/managed/mod.rs
index dd3373a..1450ea2 100644
--- a/src/managed/mod.rs
+++ b/src/managed/mod.rs
@@ -151,16 +151,16 @@ struct UnreadyObject<'a, M: Manager> {
     pool: &'a PoolInner<M>,
 }
 
-impl<'a, M: Manager> UnreadyObject<'a, M> {
+impl<M: Manager> UnreadyObject<'_, M> {
     fn ready(mut self) -> ObjectInner<M> {
         self.inner.take().unwrap()
     }
     fn inner(&mut self) -> &mut ObjectInner<M> {
-        return self.inner.as_mut().unwrap();
+        self.inner.as_mut().unwrap()
     }
 }
 
-impl<'a, M: Manager> Drop for UnreadyObject<'a, M> {
+impl<M: Manager> Drop for UnreadyObject<'_, M> {
     fn drop(&mut self) {
         if let Some(mut inner) = self.inner.take() {
             self.pool.slots.lock().unwrap().size -= 1;
diff --git a/sync/src/lib.rs b/sync/src/lib.rs
index b6a6831..5aeba7f 100644
--- a/sync/src/lib.rs
+++ b/sync/src/lib.rs
@@ -176,26 +176,26 @@ where
 #[derive(Debug)]
 pub struct SyncGuard<'a, T: Send>(MutexGuard<'a, Option<T>>);
 
-impl<'a, T: Send> Deref for SyncGuard<'a, T> {
+impl<T: Send> Deref for SyncGuard<'_, T> {
     type Target = T;
     fn deref(&self) -> &Self::Target {
         self.0.as_ref().unwrap()
     }
 }
 
-impl<'a, T: Send> DerefMut for SyncGuard<'a, T> {
+impl<T: Send> DerefMut for SyncGuard<'_, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         self.0.as_mut().unwrap()
     }
 }
 
-impl<'a, T: Send> AsRef<T> for SyncGuard<'a, T> {
+impl<T: Send> AsRef<T> for SyncGuard<'_, T> {
     fn as_ref(&self) -> &T {
         self.0.as_ref().unwrap()
     }
 }
 
-impl<'a, T: Send> AsMut<T> for SyncGuard<'a, T> {
+impl<T: Send> AsMut<T> for SyncGuard<'_, T> {
     fn as_mut(&mut self) -> &mut T {
         self.0.as_mut().unwrap()
     }