diff --git a/components/gfx/platform/windows/font.rs b/components/gfx/platform/windows/font.rs
index 73d6687ffc8..3ec4c73ecf8 100644
--- a/components/gfx/platform/windows/font.rs
+++ b/components/gfx/platform/windows/font.rs
@@ -237,7 +237,7 @@ impl FontHandleMethods for FontHandle {
             None => {
                 let bytes = template.bytes();
                 let font_file =
-                    FontFile::new_from_data(bytes).ok_or_else(|| "Could not create FontFile")?;
+                    FontFile::new_from_data(bytes).ok_or("Could not create FontFile")?;
                 let face = font_file
                     .create_face(0, dwrote::DWRITE_FONT_SIMULATIONS_NONE)
                     .map_err(|_| "Could not create FontFace")?;
diff --git a/components/script/dom/mediafragmentparser.rs b/components/script/dom/mediafragmentparser.rs
index c416ab29222..a41951c1a4f 100644
--- a/components/script/dom/mediafragmentparser.rs
+++ b/components/script/dom/mediafragmentparser.rs
@@ -300,11 +300,7 @@ fn parse_hms(s: &str) -> Result<f64, ()> {
 
     let result = match vec.len() {
         1 => {
-            let secs = vec
-                .pop_front()
-                .ok_or_else(|| ())?
-                .parse::<f64>()
-                .map_err(|_| ())?;
+            let secs = vec.pop_front().ok_or(())?.parse::<f64>().map_err(|_| ())?;
 
             if secs == 0. {
                 return Err(());
@@ -318,7 +314,7 @@ fn parse_hms(s: &str) -> Result<f64, ()> {
             parse_npt_seconds(vec.pop_front().ok_or(())?)?,
         ),
         3 => hms_to_seconds(
-            vec.pop_front().ok_or_else(|| ())?.parse().map_err(|_| ())?,
+            vec.pop_front().ok_or(())?.parse().map_err(|_| ())?,
             parse_npt_minute(vec.pop_front().ok_or(())?)?,
             parse_npt_seconds(vec.pop_front().ok_or(())?)?,
         ),