diff --git a/src/cpu.rs b/src/cpu.rs
index 10a7acb..69ef10a 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -432,8 +432,8 @@ pub fn set_battery_charge_thresholds(start_threshold: u8, stop_threshold: u8) ->
 
         // Try each threshold path pattern for this battery
         for pattern in &threshold_paths {
-            let start_threshold_path = ps_path.join(&pattern.start_path);
-            let stop_threshold_path = ps_path.join(&pattern.stop_path);
+            let start_threshold_path = ps_path.join(pattern.start_path);
+            let stop_threshold_path = ps_path.join(pattern.stop_path);
 
             if start_threshold_path.exists() && stop_threshold_path.exists() {
                 // Found a battery with threshold support
@@ -460,8 +460,8 @@ pub fn set_battery_charge_thresholds(start_threshold: u8, stop_threshold: u8) ->
     let mut success_count = 0;
 
     for battery in supported_batteries {
-        let start_path = battery.path.join(&battery.pattern.start_path);
-        let stop_path = battery.path.join(&battery.pattern.stop_path);
+        let start_path = battery.path.join(battery.pattern.start_path);
+        let stop_path = battery.path.join(battery.pattern.stop_path);
 
         // Attempt to set both thresholds
         match (
diff --git a/src/monitor.rs b/src/monitor.rs
index 259e872..811f3e9 100644
--- a/src/monitor.rs
+++ b/src/monitor.rs
@@ -48,7 +48,7 @@ pub fn get_system_info() -> SystemInfo {
 }
 
 #[derive(Debug, Clone, Copy)]
-struct CpuTimes {
+pub struct CpuTimes {
     user: u64,
     nice: u64,
     system: u64,
@@ -57,8 +57,6 @@ struct CpuTimes {
     irq: u64,
     softirq: u64,
     steal: u64,
-    guest: u64,
-    guest_nice: u64,
 }
 
 impl CpuTimes {
@@ -147,18 +145,6 @@ fn read_all_cpu_times() -> Result<HashMap<u32, CpuTimes>> {
                         parts[8]
                     ))
                 })?,
-                guest: parts[9].parse().map_err(|_| {
-                    SysMonitorError::ProcStatParseError(format!(
-                        "Failed to parse guest time: {}",
-                        parts[9]
-                    ))
-                })?,
-                guest_nice: parts[10].parse().map_err(|_| {
-                    SysMonitorError::ProcStatParseError(format!(
-                        "Failed to parse guest_nice time: {}",
-                        parts[10]
-                    ))
-                })?,
             };
             cpu_times_map.insert(core_id, times);
         }
@@ -288,7 +274,7 @@ pub fn get_cpu_core_info(
             None
         } else {
             let usage = 100.0 * (1.0 - (idle_diff as f32 / total_diff as f32));
-            Some(usage.max(0.0).min(100.0)) // clamp between 0 and 100
+            Some(usage.clamp(0.0, 100.0)) // clamp between 0 and 100
         }
     };