diff --git a/src/template/commands/time.rs b/src/template/commands/time.rs
index fc6e42f..e3236f2 100644
--- a/src/template/commands/time.rs
+++ b/src/template/commands/time.rs
@@ -7,21 +7,14 @@ use crate::template::{all_days, readme_benchmarks, Day};
 pub fn handle(day: Option<Day>, recreate_all: bool) {
     let stored_timings = Timings::read_from_file();
 
-    let mut days_to_run = HashSet::new();
-
-    match day {
-        Some(day) => {
-            days_to_run.insert(day);
+    let days_to_run = day.map(|day| HashSet::from([day])).unwrap_or_else(|| {
+        if recreate_all {
+            all_days().collect()
+        } else {
+            // when the `--all` flag is not set, filter out days that are fully benched.
+            all_days().filter(|day| !stored_timings.is_day_complete(&day)).collect()
         }
-        None => {
-            all_days().for_each(|day| {
-                // when the `--all` flag is not set, filter out days that are fully benched.
-                if recreate_all || !stored_timings.is_day_complete(&day) {
-                    days_to_run.insert(day);
-                }
-            });
-        }
-    };
+    });
 
     let timings = run_multi(days_to_run, true, true).unwrap();