diff --git a/src/main.rs b/src/main.rs
index ddf89dd..85f26d3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -94,14 +94,13 @@ fn main() {
         // meminfo
         {
             let meminfo_result = proc::get_meminfo();
-            let meminfo_string: String;
-            if let Err(e) = meminfo_result {
+            let meminfo_string: String = if let Err(e) = meminfo_result {
                 let mut stderr_handle = io::stderr().lock();
                 stderr_handle.write_all(format!("{}\n", e).as_bytes()).ok();
-                meminfo_string = String::from("MEMINFO ERROR");
+                String::from("MEMINFO ERROR")
             } else {
-                meminfo_string = meminfo_result.unwrap();
-            }
+                meminfo_result.unwrap()
+            };
             let meminfo_obj = SwaybarObject::from_string(meminfo_string);
             array.push_object(meminfo_obj);
         }
@@ -109,14 +108,13 @@ fn main() {
         // loadavg
         {
             let loadavg_result = proc::get_loadavg();
-            let loadavg_string: String;
-            if let Err(e) = loadavg_result {
+            let loadavg_string: String = if let Err(e) = loadavg_result {
                 let mut stderr_handle = io::stderr().lock();
                 stderr_handle.write_all(format!("{}\n", e).as_bytes()).ok();
-                loadavg_string = String::from("LOADAVG ERROR");
+                String::from("LOADAVG ERROR")
             } else {
-                loadavg_string = loadavg_result.unwrap();
-            }
+                loadavg_result.unwrap()
+            };
             let loadavg_obj = SwaybarObject::from_string(loadavg_string);
             array.push_object(loadavg_obj);
         }
diff --git a/src/proc.rs b/src/proc.rs
index a867c6e..68dc1b8 100644
--- a/src/proc.rs
+++ b/src/proc.rs
@@ -52,7 +52,7 @@ impl std::error::Error for Error {
             Error::IO(e) => e.source(),
             Error::ParseInt(e) => e.source(),
             Error::Format(e) => e.source(),
-            _ => None,
+            Error::Generic(_) => None,
         }
     }
 }
@@ -83,10 +83,10 @@ impl NetInfo {
             netdev_file.read_to_string(&mut netdev_string)?;
         }
 
-        let mut dev_line: Option<String> = None;
+        let mut dev_line: Option<&str> = None;
         for line in netdev_string.lines() {
             if line.starts_with(&self.dev_name) {
-                dev_line = Some(line.to_owned());
+                dev_line = Some(line);
                 break;
             }
         }