diff --git a/lib/clean/hints.sh b/lib/clean/hints.sh
index 0ac04dd..570b596 100644
--- a/lib/clean/hints.sh
+++ b/lib/clean/hints.sh
@@ -100,6 +100,19 @@ hint_is_app_scoped_launch_target() {
     return 1
 }
 
+# shellcheck disable=SC2329
+hint_is_system_binary() {
+    local program="$1"
+
+    case "$program" in
+        /bin/* | /sbin/* | /usr/bin/* | /usr/sbin/* | /usr/libexec/*)
+            return 0
+            ;;
+    esac
+
+    return 1
+}
+
 # shellcheck disable=SC2329
 hint_launch_agent_bundle_exists() {
     local bundle_id="$1"
@@ -433,6 +446,9 @@ show_user_launch_agent_hint_notice() {
         local associated=""
 
         program=$(hint_extract_launch_agent_program_path "$plist")
+        if [[ -n "$program" ]] && hint_is_system_binary "$program"; then
+            continue
+        fi
         if [[ -n "$program" ]] && hint_is_app_scoped_launch_target "$program" && [[ ! -e "$program" ]]; then
             reason="Missing app/helper target"
             target="${program/#$HOME/~}"
diff --git a/tests/clean_hints.bats b/tests/clean_hints.bats
index 928c76c..634ba39 100644
--- a/tests/clean_hints.bats
+++ b/tests/clean_hints.bats
@@ -23,6 +23,10 @@ setup() {
     mkdir -p "$HOME/.config/mole"
 }
 
+teardown() {
+    rm -rf "$HOME/Library/LaunchAgents"
+}
+
 @test "probe_project_artifact_hints reuses purge targets and excludes noisy names" {
     local root="$HOME/hints-root"
     mkdir -p "$root/proj/node_modules" "$root/proj/vendor" "$root/proj/bin"
@@ -153,6 +157,7 @@ set -euo pipefail
 source "$PROJECT_ROOT/lib/core/common.sh"
 source "$PROJECT_ROOT/lib/clean/hints.sh"
 note_activity() { :; }
+run_with_timeout() { shift; "$@"; }
 show_user_launch_agent_hint_notice
 EOT5