diff --git a/gstreamer/src/date_time_serde.rs b/gstreamer/src/date_time_serde.rs
index d50315340..6d7d78f06 100644
--- a/gstreamer/src/date_time_serde.rs
+++ b/gstreamer/src/date_time_serde.rs
@@ -123,7 +123,7 @@ impl TryFrom<DateTimeVariants> for Date {
                     month,
                     y.try_into()
                         .map_err(|_| glib::bool_error!("Out of range `year` for `Date`"))?,
-                )))
+                )?))
             }
             _ => Err(glib::bool_error!(
                 "Incompatible variant for `Date` (expecting \"YMD\")"
diff --git a/gstreamer/src/structure_serde.rs b/gstreamer/src/structure_serde.rs
index 45a8e7e59..6d774371e 100644
--- a/gstreamer/src/structure_serde.rs
+++ b/gstreamer/src/structure_serde.rs
@@ -178,7 +178,7 @@ mod tests {
             .field("f2", &String::from("bcd"))
             .field("f3", &123i32)
             .field("fraction", &Fraction::new(1, 2))
-            .field("date", &Date::new_dmy(19, DateMonth::August, 2019))
+            .field("date", &Date::new_dmy(19, DateMonth::August, 2019).unwrap())
             .field(
                 "date_time",
                 &DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).unwrap(),
@@ -236,7 +236,7 @@ mod tests {
                     ("f1", &"abc"),
                     ("f2", &"bcd"),
                     ("f3", &123),
-                    ("date", &Date::new_dmy(19, DateMonth::August, 2019)),
+                    ("date", &Date::new_dmy(19, DateMonth::August, 2019).unwrap()),
                     (
                         "date_time",
                         &DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).unwrap()
@@ -258,7 +258,7 @@ mod tests {
             .field("f2", &"bcd".to_owned())
             .field("f3", &123i32)
             .field("fraction", &Fraction::new(1, 2))
-            .field("date", &Date::new_dmy(19, DateMonth::August, 2019))
+            .field("date", &Date::new_dmy(19, DateMonth::August, 2019).unwrap())
             .field(
                 "date_time",
                 &DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).unwrap(),
diff --git a/gstreamer/src/tags_serde.rs b/gstreamer/src/tags_serde.rs
index ede4763dc..8e12dfacd 100644
--- a/gstreamer/src/tags_serde.rs
+++ b/gstreamer/src/tags_serde.rs
@@ -341,7 +341,7 @@ mod tests {
             tags.add::<Bitrate>(&96_000, TagMergeMode::Append); // u32
             tags.add::<TrackGain>(&1f64, TagMergeMode::Append); // f64
             tags.add::<Date>(
-                &glib::Date::new_dmy(28, glib::DateMonth::May, 2018),
+                &glib::Date::new_dmy(28, glib::DateMonth::May, 2018).unwrap(),
                 TagMergeMode::Append,
             );
             tags.add::<DateTime>(
@@ -491,7 +491,7 @@ mod tests {
         );
         assert_eq!(
             tags.get_index::<Date>(0).unwrap().get().unwrap(),
-            glib::Date::new_dmy(28, glib::DateMonth::May, 2018)
+            glib::Date::new_dmy(28, glib::DateMonth::May, 2018).unwrap()
         );
         assert_eq!(
             tags.get_index::<DateTime>(0).unwrap().get().unwrap(),
@@ -532,7 +532,7 @@ mod tests {
         );
         assert_eq!(
             tags.get_index::<Date>(0).unwrap().get().unwrap(),
-            glib::Date::new_dmy(28, glib::DateMonth::May, 2018)
+            glib::Date::new_dmy(28, glib::DateMonth::May, 2018).unwrap()
         );
         assert_eq!(
             tags.get_index::<DateTime>(0).unwrap().get().unwrap(),
@@ -561,7 +561,7 @@ mod tests {
             tags.add::<Bitrate>(&96_000, TagMergeMode::Append); // u32
             tags.add::<TrackGain>(&1f64, TagMergeMode::Append); // f64
             tags.add::<Date>(
-                &glib::Date::new_dmy(28, glib::DateMonth::May, 2018),
+                &glib::Date::new_dmy(28, glib::DateMonth::May, 2018).unwrap(),
                 TagMergeMode::Append,
             );
             tags.add::<DateTime>(
diff --git a/gstreamer/src/value_serde.rs b/gstreamer/src/value_serde.rs
index ff3ba4fc7..8975e46e2 100644
--- a/gstreamer/src/value_serde.rs
+++ b/gstreamer/src/value_serde.rs
@@ -364,7 +364,7 @@ mod tests {
         let value_12 = Fraction::new(1, 2);
         let value_str = "test str";
         let value_str_none: Option<&str> = None;
-        let value_date = Date::new_dmy(19, DateMonth::August, 2019);
+        let value_date = Date::new_dmy(19, DateMonth::August, 2019).unwrap();
         let value_date_none: Option<Date> = None;
 
         let array = Array::new(&[
@@ -555,7 +555,7 @@ mod tests {
         assert!(slice[3].get::<String>().expect("slice[3]").is_none());
 
         assert_eq!(
-            Date::new_dmy(19, DateMonth::August, 2019),
+            Date::new_dmy(19, DateMonth::August, 2019).unwrap(),
             slice[4].get::<Date>().expect("slice[4]").unwrap()
         );
 
@@ -582,7 +582,7 @@ mod tests {
         assert!(slice[3].get::<String>().expect("slice[3]").is_none());
 
         assert_eq!(
-            Date::new_dmy(19, DateMonth::August, 2019),
+            Date::new_dmy(19, DateMonth::August, 2019).unwrap(),
             slice[4].get::<Date>().expect("slice[4]").unwrap()
         );
 
@@ -628,7 +628,7 @@ mod tests {
         let value_12 = Fraction::new(1, 2);
         let value_str = "test str";
         let value_str_none: Option<&str> = None;
-        let value_date = Date::new_dmy(19, DateMonth::August, 2019);
+        let value_date = Date::new_dmy(19, DateMonth::August, 2019).unwrap();
         let value_date_none: Option<Date> = None;
 
         let array = Array::new(&[