diff --git a/crates/tracedecay-cli/tests/core_cli_suite/tool_daemon_test.rs b/crates/tracedecay-cli/tests/core_cli_suite/tool_daemon_test.rs
index 26cf4c8e9c..225670b0d0 100644
--- a/crates/tracedecay-cli/tests/core_cli_suite/tool_daemon_test.rs
+++ b/crates/tracedecay-cli/tests/core_cli_suite/tool_daemon_test.rs
@@ -9,8 +9,10 @@ use std::sync::mpsc;
 use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
 
 use crate::common;
+#[cfg(target_os = "linux")]
+use crate::common::hermetic_path;
 use crate::common::{
-    canonical_existing_path, hermetic_path, spawn_tracedecay_daemon, tracedecay_command_with_home,
+    canonical_existing_path, spawn_tracedecay_daemon, tracedecay_command_with_home,
 };
 use serde_json::{Value, json};
 use tempfile::TempDir;
diff --git a/crates/tracedecay-mcp/src/handlers/edit_check.rs b/crates/tracedecay-mcp/src/handlers/edit_check.rs
index 29e3bbf185..7def148940 100644
--- a/crates/tracedecay-mcp/src/handlers/edit_check.rs
+++ b/crates/tracedecay-mcp/src/handlers/edit_check.rs
@@ -335,8 +335,13 @@ mod tests {
                 file: "caller.rs".to_owned(),
                 line: 0,
             };
-            let error = signature_edits(root.path(), &[target.clone()], &[target, caller], &[])
-                .unwrap_err();
+            let error = signature_edits(
+                root.path(),
+                std::slice::from_ref(&target),
+                &[target.clone(), caller],
+                &[],
+            )
+            .unwrap_err();
             assert!(
                 matches!(error, TraceDecayError::Io(ref error) if error.kind() == std::io::ErrorKind::NotFound),
                 "{missing}: {error}"
diff --git a/crates/tracedecay-store-runtime/src/session_registry/code_graph/layered_refresh_tests.rs b/crates/tracedecay-store-runtime/src/session_registry/code_graph/layered_refresh_tests.rs
index c805b94c05..710c8c5a00 100644
--- a/crates/tracedecay-store-runtime/src/session_registry/code_graph/layered_refresh_tests.rs
+++ b/crates/tracedecay-store-runtime/src/session_registry/code_graph/layered_refresh_tests.rs
@@ -932,7 +932,9 @@ async fn a_small_refresh_materializes_the_same_output_pages_at_both_base_sizes()
     assert_eq!(small.delta_rows, large.delta_rows);
 }
 
+#[cfg(target_os = "linux")]
 const PEAK_PROBE_MODULES: &str = "TRACEDECAY_LAYERED_PEAK_PROBE_MODULES";
+#[cfg(target_os = "linux")]
 const PEAK_PROBE_LINE: &str = "layered-refresh-peak-kib ";
 
 /// Kibibytes one `/proc/self/status` field holds.