diff --git a/src-tauri/src/platform_browser.rs b/src-tauri/src/platform_browser.rs
index 5517419..12f88f9 100644
--- a/src-tauri/src/platform_browser.rs
+++ b/src-tauri/src/platform_browser.rs
@@ -8,6 +8,10 @@ use std::process::Command;
 /// force-killed unrelated processes that happened to mention the path (editors,
 /// `tail`, a terminal that `cd`'d there, or another profile whose path has this
 /// one as a prefix). Mirrors the precise matching in browser_runner/wayfern_manager.
+///
+/// Only the macOS and Linux process-kill paths use this; Windows has no
+/// `find_processes_by_profile_path`, so gate it to avoid a dead-code error there.
+#[cfg(any(target_os = "macos", target_os = "linux"))]
 fn cmd_matches_profile_path(cmd: &[std::ffi::OsString], profile_path: &str) -> bool {
   let args: Vec<&str> = cmd.iter().filter_map(|a| a.to_str()).collect();
   for (i, arg) in args.iter().enumerate() {