diff --git a/Cargo.lock b/Cargo.lock
index 74d6572b21be5b..eaed590a7792cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8891,8 +8891,10 @@ dependencies = [
  "async-trait",
  "solana-connection-cache",
  "solana-net-utils",
- "solana-sdk",
+ "solana-packet",
+ "solana-signer",
  "solana-streamer",
+ "solana-transaction-error",
  "thiserror",
  "tokio",
 ]
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index 9637d41654dd78..b2b0c550fd71be 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -7384,8 +7384,9 @@ dependencies = [
  "async-trait",
  "solana-connection-cache",
  "solana-net-utils",
- "solana-sdk",
+ "solana-signer",
  "solana-streamer",
+ "solana-transaction-error",
  "thiserror",
  "tokio",
 ]
diff --git a/udp-client/Cargo.toml b/udp-client/Cargo.toml
index e285159ff26c04..619d9e7e30d51c 100644
--- a/udp-client/Cargo.toml
+++ b/udp-client/Cargo.toml
@@ -13,7 +13,11 @@ edition = { workspace = true }
 async-trait = { workspace = true }
 solana-connection-cache = { workspace = true }
 solana-net-utils = { workspace = true }
-solana-sdk = { workspace = true }
+solana-signer = { workspace = true, features = ["keypair"] }
 solana-streamer = { workspace = true }
+solana-transaction-error = { workspace = true }
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["full"] }
+
+[dev-dependencies]
+solana-packet = { workspace = true }
diff --git a/udp-client/src/lib.rs b/udp-client/src/lib.rs
index bb0c897a3dbc7a..7b1db0af474e38 100644
--- a/udp-client/src/lib.rs
+++ b/udp-client/src/lib.rs
@@ -15,7 +15,7 @@ use {
         },
         connection_cache_stats::ConnectionCacheStats,
     },
-    solana_sdk::signature::Keypair,
+    solana_signer::keypair::Keypair,
     std::{
         net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket},
         sync::Arc,
diff --git a/udp-client/src/nonblocking/udp_client.rs b/udp-client/src/nonblocking/udp_client.rs
index ab904914702954..65569985bcd8bb 100644
--- a/udp-client/src/nonblocking/udp_client.rs
+++ b/udp-client/src/nonblocking/udp_client.rs
@@ -4,7 +4,7 @@
 use {
     async_trait::async_trait, core::iter::repeat,
     solana_connection_cache::nonblocking::client_connection::ClientConnection,
-    solana_sdk::transport::Result as TransportResult,
+    solana_transaction_error::TransportResult,
     solana_streamer::nonblocking::sendmmsg::batch_send, std::net::SocketAddr,
     tokio::net::UdpSocket,
 };
@@ -47,7 +47,7 @@ impl ClientConnection for UdpClientConnection {
 mod tests {
     use {
         super::*,
-        solana_sdk::packet::{Packet, PACKET_DATA_SIZE},
+        solana_packet::{Packet, PACKET_DATA_SIZE},
         solana_streamer::nonblocking::recvmmsg::recv_mmsg,
         std::net::{IpAddr, Ipv4Addr},
         tokio::net::UdpSocket,
diff --git a/udp-client/src/udp_client.rs b/udp-client/src/udp_client.rs
index 9ca7d23df94b6a..b2bc64c5866601 100644
--- a/udp-client/src/udp_client.rs
+++ b/udp-client/src/udp_client.rs
@@ -4,7 +4,7 @@
 use {
     core::iter::repeat,
     solana_connection_cache::client_connection::ClientConnection,
-    solana_sdk::transport::Result as TransportResult,
+    solana_transaction_error::TransportResult,
     solana_streamer::sendmmsg::batch_send,
     std::{
         net::{SocketAddr, UdpSocket},