diff --git a/crates/bench/benches/generic.rs b/crates/bench/benches/generic.rs
index 231171c0521..1013566df8b 100644
--- a/crates/bench/benches/generic.rs
+++ b/crates/bench/benches/generic.rs
@@ -15,7 +15,7 @@ use spacetimedb_testing::modules::{Csharp, Rust};
 
 #[cfg(target_env = "msvc")]
 #[global_allocator]
-static GLOBAL: MiMalloc = MiMalloc;
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 #[cfg(not(target_env = "msvc"))]
 use tikv_jemallocator::Jemalloc;
diff --git a/crates/bench/benches/special.rs b/crates/bench/benches/special.rs
index 73c66dc105a..b3fc0a16bee 100644
--- a/crates/bench/benches/special.rs
+++ b/crates/bench/benches/special.rs
@@ -14,7 +14,7 @@ use std::sync::OnceLock;
 
 #[cfg(target_env = "msvc")]
 #[global_allocator]
-static GLOBAL: MiMalloc = MiMalloc;
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 #[cfg(not(target_env = "msvc"))]
 use tikv_jemallocator::Jemalloc;
diff --git a/crates/core/src/db/relational_db.rs b/crates/core/src/db/relational_db.rs
index 9240bef8f26..44eac877818 100644
--- a/crates/core/src/db/relational_db.rs
+++ b/crates/core/src/db/relational_db.rs
@@ -1741,6 +1741,7 @@ mod tests {
     use spacetimedb_sats::buffer::BufReader;
     use spacetimedb_sats::product;
     use spacetimedb_schema::schema::RowLevelSecuritySchema;
+    #[cfg(unix)]
     use spacetimedb_snapshot::Snapshot;
     use spacetimedb_table::read_column::ReadColumn;
     use spacetimedb_table::table::RowRef;
@@ -2710,6 +2711,7 @@ mod tests {
         let (dir, repo) = make_snapshot(root.clone(), Identity::ZERO, 0, CompressType::None, true);
         stdb.take_snapshot(&repo)?;
 
+        #[cfg(unix)]
         let total_objects = repo.size_on_disk()?.object_count;
         // Another snapshots that will hardlink part of the first one
         for i in 0..2 {
diff --git a/crates/core/src/worker_metrics/mod.rs b/crates/core/src/worker_metrics/mod.rs
index ba0c3c8539f..a2301fe720b 100644
--- a/crates/core/src/worker_metrics/mod.rs
+++ b/crates/core/src/worker_metrics/mod.rs
@@ -231,8 +231,9 @@ use tikv_jemalloc_ctl::{epoch, stats};
 
 use std::sync::Once;
 use tokio::{spawn, time::sleep};
+#[cfg(not(target_env = "msvc"))]
 static SPAWN_JEMALLOC_GUARD: Once = Once::new();
-pub fn spawn_jemalloc_stats(node_id: String) {
+pub fn spawn_jemalloc_stats(_node_id: String) {
     #[cfg(not(target_env = "msvc"))]
     SPAWN_JEMALLOC_GUARD.call_once(|| {
         spawn(async move {
@@ -242,17 +243,17 @@ pub fn spawn_jemalloc_stats(node_id: String) {
                 let allocated = stats::allocated::read().unwrap();
                 WORKER_METRICS
                     .jemalloc_allocated_bytes
-                    .with_label_values(&node_id)
+                    .with_label_values(&_node_id)
                     .set(allocated as i64);
                 let resident = stats::resident::read().unwrap();
                 WORKER_METRICS
                     .jemalloc_resident_bytes
-                    .with_label_values(&node_id)
+                    .with_label_values(&_node_id)
                     .set(resident as i64);
                 let active = stats::active::read().unwrap();
                 WORKER_METRICS
                     .jemalloc_active_bytes
-                    .with_label_values(&node_id)
+                    .with_label_values(&_node_id)
                     .set(active as i64);
 
                 sleep(Duration::from_secs(10)).await;
diff --git a/crates/paths/src/lib.rs b/crates/paths/src/lib.rs
index 56c89b29714..ba33336f5dd 100644
--- a/crates/paths/src/lib.rs
+++ b/crates/paths/src/lib.rs
@@ -268,13 +268,14 @@ impl SpacetimePaths {
 
 #[cfg(test)]
 mod tests {
-    use std::ffi::{OsStr, OsString};
     use std::path::Path;
 
     use super::*;
 
+    #[cfg(not(windows))]
     mod vars {
         use super::*;
+        use std::ffi::{OsStr, OsString};
         struct ResetVar<'a>(&'a str, Option<OsString>);
         impl Drop for ResetVar<'_> {
             fn drop(&mut self) {
diff --git a/crates/update/src/proxy.rs b/crates/update/src/proxy.rs
index ec5811bc8f2..95d8ef8f2ae 100644
--- a/crates/update/src/proxy.rs
+++ b/crates/update/src/proxy.rs
@@ -9,7 +9,7 @@ use std::process::ExitCode;
 
 pub(crate) fn run_cli(
     paths: Option<&SpacetimePaths>,
-    argv0: Option<&OsStr>,
+    _argv0: Option<&OsStr>,
     args: Vec<OsString>,
 ) -> anyhow::Result<ExitCode> {
     let parse_args = || PartialCliArgs::parse(&args);
@@ -44,8 +44,8 @@ pub(crate) fn run_cli(
     #[cfg(unix)]
     {
         use std::os::unix::process::CommandExt;
-        if let Some(argv0) = argv0 {
-            cmd.arg0(argv0);
+        if let Some(_argv0) = _argv0 {
+            cmd.arg0(_argv0);
         }
     };
     let exec_result = exec_replace(&mut cmd).with_context(|| format!("exec failed for {}", cli_path.display()));