diff --git a/x11rb-async/src/connection.rs b/x11rb-async/src/connection.rs
index 4c2f3bb0..c9bbde14 100644
--- a/x11rb-async/src/connection.rs
+++ b/x11rb-async/src/connection.rs
@@ -67,7 +67,7 @@ pub trait RequestConnection: Sync {
     fn send_trait_request_with_reply<'this, 'req, 'future, R>(
         &'this self,
         request: R,
-    ) -> Fut<'future, Cookie<'_, Self, R::Reply>, ConnectionError>
+    ) -> Fut<'future, Cookie<'this, Self, R::Reply>, ConnectionError>
     where
         'this: 'future,
         'req: 'future,
@@ -131,7 +131,7 @@ pub trait RequestConnection: Sync {
     fn send_trait_request_with_reply_with_fds<'this, 'req, 'future, R>(
         &'this self,
         request: R,
-    ) -> Fut<'future, CookieWithFds<'_, Self, R::Reply>, ConnectionError>
+    ) -> Fut<'future, CookieWithFds<'this, Self, R::Reply>, ConnectionError>
     where
         'this: 'future,
         'req: 'future,
diff --git a/x11rb-async/src/cookie.rs b/x11rb-async/src/cookie.rs
index 150890ea..6ea61fee 100644
--- a/x11rb-async/src/cookie.rs
+++ b/x11rb-async/src/cookie.rs
@@ -65,7 +65,7 @@ impl<'conn, C: Connection + ?Sized> VoidCookie<'conn, C> {
     }
 }
 
-impl<'conn, C: RequestConnection + ?Sized> Drop for VoidCookie<'conn, C> {
+impl<C: RequestConnection + ?Sized> Drop for VoidCookie<'_, C> {
     fn drop(&mut self) {
         self.conn.discard_reply(
             self.sequence,
@@ -94,7 +94,7 @@ impl<'a, C: RequestConnection + ?Sized> RawCookie<'a, C> {
     }
 }
 
-impl<'a, C: RequestConnection + ?Sized> Drop for RawCookie<'a, C> {
+impl<C: RequestConnection + ?Sized> Drop for RawCookie<'_, C> {
     fn drop(&mut self) {
         self.conn.discard_reply(
             self.sequence,