diff --git a/dos/src/main.rs b/dos/src/main.rs
index 8e6c3c5b2b11b5..b9e0dceba40bf0 100644
--- a/dos/src/main.rs
+++ b/dos/src/main.rs
@@ -39,6 +39,7 @@
 //! ```
 //!
 #![allow(clippy::arithmetic_side_effects)]
+#![allow(deprecated)]
 use {
     crossbeam_channel::{select, tick, unbounded, Receiver, Sender},
     itertools::Itertools,
diff --git a/gossip/src/gossip_service.rs b/gossip/src/gossip_service.rs
index 806ee23a4fb0be..404a685aa75567 100644
--- a/gossip/src/gossip_service.rs
+++ b/gossip/src/gossip_service.rs
@@ -194,6 +194,7 @@ pub fn discover(
 }
 
 /// Creates a ThinClient by selecting a valid node at random
+#[deprecated(since = "1.18.0", note = "Interface will change")]
 pub fn get_client(
     nodes: &[ContactInfo],
     socket_addr_space: &SocketAddrSpace,
@@ -209,6 +210,7 @@ pub fn get_client(
     ThinClient::new(rpc, tpu, connection_cache)
 }
 
+#[deprecated(since = "1.18.0", note = "Will be removed in favor of get_client")]
 pub fn get_multi_client(
     nodes: &[ContactInfo],
     socket_addr_space: &SocketAddrSpace,