diff --git a/src/executor/delete.rs b/src/executor/delete.rs
index 2fa5f64a..c4a8c7de 100644
--- a/src/executor/delete.rs
+++ b/src/executor/delete.rs
@@ -18,7 +18,7 @@ impl<'a, A: 'a> DeleteOne<A>
 where
     A: ActiveModelTrait,
 {
-    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<DeleteResult, DbErr>> + 'a
+    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<DeleteResult, DbErr>> + '_
     where
         C: ConnectionTrait<'a>,
     {
@@ -31,7 +31,7 @@ impl<'a, E> DeleteMany<E>
 where
     E: EntityTrait,
 {
-    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<DeleteResult, DbErr>> + 'a
+    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<DeleteResult, DbErr>> + '_
     where
         C: ConnectionTrait<'a>,
     {
@@ -61,8 +61,7 @@ where
     Deleter::new(query).exec(db).await
 }
 
-// Only Statement impl Send
-async fn exec_delete<'a, C>(statement: Statement, db: &C) -> Result<DeleteResult, DbErr>
+async fn exec_delete<'a, C>(statement: Statement, db: &'a C) -> Result<DeleteResult, DbErr>
 where
     C: ConnectionTrait<'a>,
 {
diff --git a/src/executor/insert.rs b/src/executor/insert.rs
index e7437854..b4da10c0 100644
--- a/src/executor/insert.rs
+++ b/src/executor/insert.rs
@@ -28,7 +28,7 @@ where
     A: ActiveModelTrait,
 {
     #[allow(unused_mut)]
-    pub fn exec<'a, C>(self, db: &'a C) -> impl Future<Output = Result<InsertResult<A>, DbErr>> + 'a
+    pub fn exec<'a, C>(self, db: &'a C) -> impl Future<Output = Result<InsertResult<A>, DbErr>> + '_
     where
         C: ConnectionTrait<'a>,
         A: 'a,
@@ -61,7 +61,7 @@ where
         }
     }
 
-    pub fn exec<'a, C>(self, db: &'a C) -> impl Future<Output = Result<InsertResult<A>, DbErr>> + 'a
+    pub fn exec<'a, C>(self, db: &'a C) -> impl Future<Output = Result<InsertResult<A>, DbErr>> + '_
     where
         C: ConnectionTrait<'a>,
         A: 'a,
@@ -71,7 +71,6 @@ where
     }
 }
 
-// Only Statement impl Send
 async fn exec_insert<'a, A, C>(
     primary_key: Option<ValueTuple>,
     statement: Statement,
diff --git a/src/executor/update.rs b/src/executor/update.rs
index 3fb4a5c8..c228730b 100644
--- a/src/executor/update.rs
+++ b/src/executor/update.rs
@@ -32,7 +32,7 @@ impl<'a, E> UpdateMany<E>
 where
     E: EntityTrait,
 {
-    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<UpdateResult, DbErr>> + 'a
+    pub fn exec<C>(self, db: &'a C) -> impl Future<Output = Result<UpdateResult, DbErr>> + '_
     where
         C: ConnectionTrait<'a>,
     {
@@ -83,7 +83,6 @@ where
     Ok(model)
 }
 
-// Only Statement impl Send
 async fn exec_update<'a, C>(
     statement: Statement,
     db: &'a C,