diff --git a/src/parse/validator.rs b/src/parse/validator.rs
index 2ba7c798..e28302da 100644
--- a/src/parse/validator.rs
+++ b/src/parse/validator.rs
@@ -137,13 +137,10 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
                 ));
             }
 
-            // FIXME: `(&mut *vtor)(args...)` can be simplified to `vtor(args...)`
-            //      once https://github.com/rust-lang/rust/pull/72280 is landed on stable
-            //      (about 10 weeks from now)
             if let Some(ref vtor) = arg.validator {
                 debug!("Validator::validate_arg_values: checking validator...");
                 let mut vtor = vtor.lock().unwrap();
-                if let Err(e) = (&mut *vtor)(&*val.to_string_lossy()) {
+                if let Err(e) = vtor(&*val.to_string_lossy()) {
                     debug!("error");
                     return Err(Error::value_validation(
                         arg.to_string(),
@@ -158,7 +155,7 @@ impl<'help, 'app, 'parser> Validator<'help, 'app, 'parser> {
             if let Some(ref vtor) = arg.validator_os {
                 debug!("Validator::validate_arg_values: checking validator_os...");
                 let mut vtor = vtor.lock().unwrap();
-                if let Err(e) = (&mut *vtor)(val) {
+                if let Err(e) = vtor(val) {
                     debug!("error");
                     return Err(Error::value_validation(
                         arg.to_string(),