diff --git a/proxy/util.go b/proxy/util.go
index bbc1e7d..1984d65 100644
--- a/proxy/util.go
+++ b/proxy/util.go
@@ -100,9 +100,5 @@ func SetSystemProxy(state bool) error {
 	}
 
 	err = key.SetDWordValue("proxyEnable", value)
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return err
 }
diff --git a/util/command.go b/util/command.go
index a946fab..ae56898 100644
--- a/util/command.go
+++ b/util/command.go
@@ -32,11 +32,7 @@ func ReadyCmd() (*io.WriteCloser, func() error, error) {
 
 		// Wait for command to flush
 		err := cmd.Wait()
-		if err != nil {
-			return err
-		}
-
-		return nil
+		return err
 	}, nil
 }