diff --git a/Cargo.lock b/Cargo.lock
index 7d015ada9184f0..6e93d5b66b56c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8717,12 +8717,20 @@ dependencies = [
  "rustls 0.23.16",
  "smallvec",
  "socket2 0.5.7",
+ "solana-keypair",
  "solana-logger",
  "solana-measure",
  "solana-metrics",
+ "solana-packet",
  "solana-perf",
+ "solana-pubkey",
+ "solana-quic-definitions",
  "solana-sdk",
+ "solana-signature",
+ "solana-signer",
  "solana-streamer",
+ "solana-time-utils",
+ "solana-transaction-error",
  "solana-transaction-metrics-tracker",
  "thiserror 1.0.69",
  "tokio",
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index ba57249ce81a99..31bf76e5485cf7 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -7388,10 +7388,17 @@ dependencies = [
  "rustls 0.23.16",
  "smallvec",
  "socket2 0.5.7",
+ "solana-keypair",
  "solana-measure",
  "solana-metrics",
+ "solana-packet",
  "solana-perf",
- "solana-sdk",
+ "solana-pubkey",
+ "solana-quic-definitions",
+ "solana-signature",
+ "solana-signer",
+ "solana-time-utils",
+ "solana-transaction-error",
  "solana-transaction-metrics-tracker",
  "thiserror 1.0.69",
  "tokio",
diff --git a/streamer/Cargo.toml b/streamer/Cargo.toml
index f44e99771c0783..3c2e62890d9b5a 100644
--- a/streamer/Cargo.toml
+++ b/streamer/Cargo.toml
@@ -31,10 +31,17 @@ rand = { workspace = true }
 rustls = { workspace = true }
 smallvec = { workspace = true }
 socket2 = { workspace = true }
+solana-keypair = { workspace = true }
 solana-measure = { workspace = true }
 solana-metrics = { workspace = true }
+solana-packet = { workspace = true }
 solana-perf = { workspace = true }
-solana-sdk = { workspace = true }
+solana-pubkey = { workspace = true }
+solana-quic-definitions = { workspace = true }
+solana-signature = { workspace = true }
+solana-signer = { workspace = true }
+solana-time-utils = { workspace = true }
+solana-transaction-error = { workspace = true }
 solana-transaction-metrics-tracker = { workspace = true }
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["full"] }
@@ -44,6 +51,7 @@ x509-parser = { workspace = true }
 [dev-dependencies]
 assert_matches = { workspace = true }
 solana-logger = { workspace = true }
+solana-sdk = { workspace = true }
 solana-streamer = { path = ".", features = ["dev-context-only-utils"] }
 
 [features]
diff --git a/streamer/src/nonblocking/quic.rs b/streamer/src/nonblocking/quic.rs
index acc04c11c768ce..2de8adc1babb08 100644
--- a/streamer/src/nonblocking/quic.rs
+++ b/streamer/src/nonblocking/quic.rs
@@ -23,20 +23,19 @@ use {
     quinn_proto::VarIntBoundsExceeded,
     rand::{thread_rng, Rng},
     smallvec::SmallVec,
+    solana_keypair::Keypair,
     solana_measure::measure::Measure,
+    solana_packet::{Meta, PACKET_DATA_SIZE},
     solana_perf::packet::{PacketBatch, PACKETS_PER_BATCH},
-    solana_sdk::{
-        packet::{Meta, PACKET_DATA_SIZE},
-        pubkey::Pubkey,
-        quic::{
-            QUIC_CONNECTION_HANDSHAKE_TIMEOUT, QUIC_MAX_STAKED_CONCURRENT_STREAMS,
-            QUIC_MAX_STAKED_RECEIVE_WINDOW_RATIO, QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS,
-            QUIC_MIN_STAKED_CONCURRENT_STREAMS, QUIC_MIN_STAKED_RECEIVE_WINDOW_RATIO,
-            QUIC_TOTAL_STAKED_CONCURRENT_STREAMS, QUIC_UNSTAKED_RECEIVE_WINDOW_RATIO,
-        },
-        signature::{Keypair, Signature},
-        timing,
+    solana_pubkey::Pubkey,
+    solana_quic_definitions::{
+        QUIC_CONNECTION_HANDSHAKE_TIMEOUT, QUIC_MAX_STAKED_CONCURRENT_STREAMS,
+        QUIC_MAX_STAKED_RECEIVE_WINDOW_RATIO, QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS,
+        QUIC_MIN_STAKED_CONCURRENT_STREAMS, QUIC_MIN_STAKED_RECEIVE_WINDOW_RATIO,
+        QUIC_TOTAL_STAKED_CONCURRENT_STREAMS, QUIC_UNSTAKED_RECEIVE_WINDOW_RATIO,
     },
+    solana_signature::Signature,
+    solana_time_utils as timing,
     solana_transaction_metrics_tracker::signature_if_should_track_packet,
     std::{
         array,
@@ -1522,18 +1521,22 @@ impl<'a> Future for EndpointAccept<'a> {
 pub mod test {
     use {
         super::*,
-        crate::nonblocking::{
-            quic::compute_max_allowed_uni_streams,
-            testing_utilities::{
-                get_client_config, make_client_endpoint, setup_quic_server, SpawnTestServerResult,
-                TestServerConfig,
+        crate::{
+            nonblocking::{
+                quic::compute_max_allowed_uni_streams,
+                testing_utilities::{
+                    get_client_config, make_client_endpoint, setup_quic_server,
+                    SpawnTestServerResult, TestServerConfig,
+                },
             },
+            quic::DEFAULT_TPU_COALESCE,
         },
         assert_matches::assert_matches,
         async_channel::unbounded as async_unbounded,
         crossbeam_channel::{unbounded, Receiver},
         quinn::{ApplicationClose, ConnectionError},
-        solana_sdk::{net::DEFAULT_TPU_COALESCE, signature::Keypair, signer::Signer},
+        solana_keypair::Keypair,
+        solana_signer::Signer,
         std::collections::HashMap,
         tokio::time::sleep,
     };
diff --git a/streamer/src/nonblocking/sendmmsg.rs b/streamer/src/nonblocking/sendmmsg.rs
index 15217b906eb5da..352651d1d61c90 100644
--- a/streamer/src/nonblocking/sendmmsg.rs
+++ b/streamer/src/nonblocking/sendmmsg.rs
@@ -61,7 +61,7 @@ mod tests {
             sendmmsg::SendPktsError,
         },
         assert_matches::assert_matches,
-        solana_sdk::packet::PACKET_DATA_SIZE,
+        solana_packet::PACKET_DATA_SIZE,
         std::{
             io::ErrorKind,
             net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
diff --git a/streamer/src/nonblocking/testing_utilities.rs b/streamer/src/nonblocking/testing_utilities.rs
index e1a13c23fb2e69..aa484cbc511a5d 100644
--- a/streamer/src/nonblocking/testing_utilities.rs
+++ b/streamer/src/nonblocking/testing_utilities.rs
@@ -6,7 +6,10 @@ use {
         DEFAULT_WAIT_FOR_CHUNK_TIMEOUT,
     },
     crate::{
-        quic::{QuicServerParams, StreamerStats, MAX_STAKED_CONNECTIONS, MAX_UNSTAKED_CONNECTIONS},
+        quic::{
+            QuicServerParams, StreamerStats, DEFAULT_TPU_COALESCE, MAX_STAKED_CONNECTIONS,
+            MAX_UNSTAKED_CONNECTIONS,
+        },
         streamer::StakedNodes,
         tls_certificates::new_dummy_x509_certificate,
     },
@@ -15,12 +18,9 @@ use {
         crypto::rustls::QuicClientConfig, ClientConfig, Connection, EndpointConfig, IdleTimeout,
         TokioRuntime, TransportConfig,
     },
+    solana_keypair::Keypair,
     solana_perf::packet::PacketBatch,
-    solana_sdk::{
-        net::DEFAULT_TPU_COALESCE,
-        quic::{QUIC_KEEP_ALIVE, QUIC_MAX_TIMEOUT},
-        signer::keypair::Keypair,
-    },
+    solana_quic_definitions::{QUIC_KEEP_ALIVE, QUIC_MAX_TIMEOUT},
     std::{
         net::{SocketAddr, UdpSocket},
         sync::{atomic::AtomicBool, Arc, RwLock},
diff --git a/streamer/src/packet.rs b/streamer/src/packet.rs
index fdab5eba14ffea..5b89c939eaf2fa 100644
--- a/streamer/src/packet.rs
+++ b/streamer/src/packet.rs
@@ -11,10 +11,10 @@ use {
     },
 };
 pub use {
+    solana_packet::{Meta, Packet, PACKET_DATA_SIZE},
     solana_perf::packet::{
         to_packet_batches, PacketBatch, PacketBatchRecycler, NUM_PACKETS, PACKETS_PER_BATCH,
     },
-    solana_sdk::packet::{Meta, Packet, PACKET_DATA_SIZE},
 };
 
 pub fn recv_from(batch: &mut PacketBatch, socket: &UdpSocket, max_wait: Duration) -> Result<usize> {
diff --git a/streamer/src/quic.rs b/streamer/src/quic.rs
index 21f173475ebf7b..1eb94926809f4d 100644
--- a/streamer/src/quic.rs
+++ b/streamer/src/quic.rs
@@ -18,12 +18,11 @@ use {
         server::danger::ClientCertVerified,
         DistinguishedName, KeyLogFile,
     },
+    solana_keypair::Keypair,
+    solana_packet::PACKET_DATA_SIZE,
     solana_perf::packet::PacketBatch,
-    solana_sdk::{
-        net::DEFAULT_TPU_COALESCE,
-        packet::PACKET_DATA_SIZE,
-        quic::{NotifyKeyUpdate, QUIC_MAX_TIMEOUT, QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS},
-        signature::Keypair,
+    solana_quic_definitions::{
+        NotifyKeyUpdate, QUIC_MAX_TIMEOUT, QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS,
     },
     std::{
         net::UdpSocket,
@@ -42,6 +41,8 @@ pub const MAX_UNSTAKED_CONNECTIONS: usize = 500;
 
 // This will be adjusted and parameterized in follow-on PRs.
 pub const DEFAULT_QUIC_ENDPOINTS: usize = 1;
+// inlined to avoid solana-sdk dep
+pub(crate) const DEFAULT_TPU_COALESCE: Duration = Duration::from_millis(5);
 
 #[derive(Debug)]
 pub struct SkipClientVerification(Arc<rustls::crypto::CryptoProvider>);
@@ -840,4 +841,9 @@ mod test {
         exit.store(true, Ordering::Relaxed);
         t.join().unwrap();
     }
+
+    #[test]
+    fn test_inline_tpu_coalesce() {
+        assert_eq!(DEFAULT_TPU_COALESCE, solana_sdk::net::DEFAULT_TPU_COALESCE);
+    }
 }
diff --git a/streamer/src/sendmmsg.rs b/streamer/src/sendmmsg.rs
index f3d3e8419def99..b1c8e58125a2a5 100644
--- a/streamer/src/sendmmsg.rs
+++ b/streamer/src/sendmmsg.rs
@@ -11,7 +11,7 @@ use {
     },
 };
 use {
-    solana_sdk::transport::TransportError,
+    solana_transaction_error::TransportError,
     std::{
         borrow::Borrow,
         io,
@@ -189,7 +189,7 @@ mod tests {
             sendmmsg::{batch_send, multi_target_send, SendPktsError},
         },
         assert_matches::assert_matches,
-        solana_sdk::packet::PACKET_DATA_SIZE,
+        solana_packet::PACKET_DATA_SIZE,
         std::{
             io::ErrorKind,
             net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, UdpSocket},
diff --git a/streamer/src/streamer.rs b/streamer/src/streamer.rs
index a79445c3b8e7ac..b4f1e54429fc07 100644
--- a/streamer/src/streamer.rs
+++ b/streamer/src/streamer.rs
@@ -10,7 +10,9 @@ use {
     crossbeam_channel::{Receiver, RecvTimeoutError, SendError, Sender},
     histogram::Histogram,
     itertools::Itertools,
-    solana_sdk::{packet::Packet, pubkey::Pubkey, timing::timestamp},
+    solana_packet::Packet,
+    solana_pubkey::Pubkey,
+    solana_time_utils::timestamp,
     std::{
         cmp::Reverse,
         collections::HashMap,
diff --git a/streamer/src/tls_certificates.rs b/streamer/src/tls_certificates.rs
index fba1441de88a86..d48b8608a44b70 100644
--- a/streamer/src/tls_certificates.rs
+++ b/streamer/src/tls_certificates.rs
@@ -1,5 +1,7 @@
 use {
-    solana_sdk::{pubkey::Pubkey, signature::Keypair, signer::Signer},
+    solana_keypair::Keypair,
+    solana_pubkey::Pubkey,
+    solana_signer::Signer,
     x509_parser::{prelude::*, public_key::PublicKey},
 };
 
@@ -113,7 +115,7 @@ pub fn get_pubkey_from_tls_certificate(
 
 #[cfg(test)]
 mod tests {
-    use {super::*, solana_sdk::signer::Signer};
+    use {super::*, solana_signer::Signer};
 
     #[test]
     fn test_generate_tls_certificate() {