diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
index 0a87dbe..8f28012 100644
--- a/crates/core/src/lib.rs
+++ b/crates/core/src/lib.rs
@@ -64,7 +64,16 @@ pub trait Platform {
             NodeIdentifier::Geth => new_geth_node(context),
             NodeIdentifier::LighthouseGeth => new_lighthouse_geth_node(context),
             NodeIdentifier::ReviveDevNode => new_revive_dev_node(context),
-            NodeIdentifier::Zombienet => new_zombienet_node(context),
+            NodeIdentifier::Zombienet => {
+                #[cfg(unix)]
+                {
+                    new_zombienet_node(context)
+                }
+                #[cfg(not(unix))]
+                {
+                    anyhow::bail!("Zombienet is not supported on this platform")
+                }
+            }
             NodeIdentifier::PolkadotOmniNode => new_polkadot_omni_node(context),
         }
     }
@@ -87,7 +96,16 @@ pub trait Platform {
             NodeIdentifier::Geth => export_geth_genesis(context),
             NodeIdentifier::LighthouseGeth => export_lighthouse_geth_genesis(context),
             NodeIdentifier::ReviveDevNode => export_revive_dev_node_genesis(context),
-            NodeIdentifier::Zombienet => export_zombienet_genesis(context),
+            NodeIdentifier::Zombienet => {
+                #[cfg(unix)]
+                {
+                    export_zombienet_genesis(context)
+                }
+                #[cfg(not(unix))]
+                {
+                    anyhow::bail!("Zombienet is not supported on this platform")
+                }
+            }
             NodeIdentifier::PolkadotOmniNode => export_polkadot_omni_node_genesis(context),
         }
     }
@@ -372,6 +390,7 @@ fn new_revive_dev_node(
     }))
 }
 
+#[cfg(unix)]
 fn new_zombienet_node(
     context: Context,
 ) -> Result<JoinHandle<Result<Box<dyn NodeApi + Send + Sync>>>> {
@@ -438,6 +457,7 @@ fn export_revive_dev_node_genesis(context: Context) -> Result<serde_json::Value>
     SubstrateNode::node_genesis(revive_dev_node_path, export_chainspec_command, &wallet)
 }
 
+#[cfg(unix)]
 fn export_zombienet_genesis(context: Context) -> Result<serde_json::Value> {
     let polkadot_parachain_path = context.as_polkadot_parachain_configuration().path.as_path();
     let wallet = context.as_wallet_configuration().wallet();
diff --git a/crates/core/src/main.rs b/crates/core/src/main.rs
index 1c65c1d..e50b842 100644
--- a/crates/core/src/main.rs
+++ b/crates/core/src/main.rs
@@ -133,6 +133,8 @@ fn main() -> anyhow::Result<()> {
     let mut context = Context::try_parse()?;
     context.update_for_profile();
 
+    // The `tokio-debug` variant returns `()`, but the default variant returns a `WorkerGuard`
+    // that must be held until `main` exits to keep the non-blocking tracing writer alive.
     #[allow(clippy::let_unit_value)]
     let _guard = setup_tracing(context.as_log_configuration())?;
 
diff --git a/crates/node/Cargo.toml b/crates/node/Cargo.toml
index a3c3ea2..59a3968 100644
--- a/crates/node/Cargo.toml
+++ b/crates/node/Cargo.toml
@@ -30,6 +30,9 @@ serde_yaml_ng = { workspace = true }
 sp-core = { workspace = true }
 sp-runtime = { workspace = true }
 subxt = { workspace = true }
+# Zombienet uses `std::os::unix` which prevents compiling retester on Windows.
+# For running pre-link-only contract compilations on Windows, Zombienet is gated.
+[target.'cfg(unix)'.dependencies]
 zombienet-sdk = { workspace = true }
 
 [dev-dependencies]
diff --git a/crates/node/src/lib.rs b/crates/node/src/lib.rs
index f84d93f..24d7a28 100644
--- a/crates/node/src/lib.rs
+++ b/crates/node/src/lib.rs
@@ -15,6 +15,7 @@ pub mod prelude {
     pub use crate::node_implementations::lighthouse_geth::LighthouseGethNode;
     pub use crate::node_implementations::polkadot_omni_node::PolkadotOmnichainNode;
     pub use crate::node_implementations::substrate::SubstrateNode;
+    #[cfg(unix)]
     pub use crate::node_implementations::zombienet::ZombienetNode;
     pub use crate::provider_utils::*;
 }
@@ -81,6 +82,7 @@ pub(crate) mod internal_prelude {
     pub use toml;
     pub use tower::{Layer, Service};
     pub use tracing::*;
+    #[cfg(unix)]
     pub use zombienet_sdk::{LocalFileSystem, NetworkConfig, NetworkConfigExt};
 
     pub use revive_common::EVMVersion;
diff --git a/crates/node/src/node_implementations/mod.rs b/crates/node/src/node_implementations/mod.rs
index 12b2a9e..84e79dc 100644
--- a/crates/node/src/node_implementations/mod.rs
+++ b/crates/node/src/node_implementations/mod.rs
@@ -2,5 +2,7 @@ pub mod geth;
 pub mod lighthouse_geth;
 pub mod polkadot_omni_node;
 pub mod substrate;
+#[cfg(unix)]
 pub mod zombienet;
+#[cfg(unix)]
 pub(crate) mod zombienet_core_assignment;