diff --git a/io/zenoh-transport/src/shm.rs b/io/zenoh-transport/src/shm.rs
index 04a8f502c4..d169218289 100644
--- a/io/zenoh-transport/src/shm.rs
+++ b/io/zenoh-transport/src/shm.rs
@@ -166,7 +166,6 @@ pub fn map_zmsg_to_shminfo(msg: &mut NetworkMessage) -> ZResult<bool> {
             ResponseBody::Reply(b) => b.map_to_shminfo(),
             ResponseBody::Put(b) => b.map_to_shminfo(),
             ResponseBody::Err(b) => b.map_to_shminfo(),
-            ResponseBody::Ack(_) => Ok(false),
         },
         NetworkBody::ResponseFinal(_) | NetworkBody::Declare(_) | NetworkBody::OAM(_) => Ok(false),
     }
@@ -221,7 +220,6 @@ pub fn map_zmsg_to_shmbuf(
             ResponseBody::Put(b) => b.map_to_shmbuf(shmr),
             ResponseBody::Err(b) => b.map_to_shmbuf(shmr),
             ResponseBody::Reply(b) => b.map_to_shmbuf(shmr),
-            ResponseBody::Ack(_) => Ok(false),
         },
         NetworkBody::ResponseFinal(_) | NetworkBody::Declare(_) | NetworkBody::OAM(_) => Ok(false),
     }
diff --git a/zenoh/src/net/routing/dispatcher/queries.rs b/zenoh/src/net/routing/dispatcher/queries.rs
index 67745ff2c6..40b95538ba 100644
--- a/zenoh/src/net/routing/dispatcher/queries.rs
+++ b/zenoh/src/net/routing/dispatcher/queries.rs
@@ -476,7 +476,6 @@ macro_rules! inc_res_stats {
                             e.ext_body.as_ref().map(|b| b.payload.len()).unwrap_or(0),
                         );
                     }
-                    ResponseBody::Ack(_) => (),
                 }
             }
         }