diff --git a/src/fmt.rs b/src/fmt.rs
index 14f8a16..f42b4de 100644
--- a/src/fmt.rs
+++ b/src/fmt.rs
@@ -8,17 +8,14 @@ use strum::{Display, EnumString};
 pub use self::{json_writer::JsonWriter, md_writer::MarkdownWriter};
 use crate::{clog::Clog, error::Result, sectionmap::SectionMap};
 
-#[derive(Copy, Clone, PartialEq, Eq, Debug, EnumString, Display)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, Default, EnumString, Display)]
 #[strum(ascii_case_insensitive)]
 pub enum ChangelogFormat {
     Json,
+    #[default]
     Markdown,
 }
 
-impl Default for ChangelogFormat {
-    fn default() -> Self { ChangelogFormat::Markdown }
-}
-
 impl<'de> serde::de::Deserialize<'de> for ChangelogFormat {
     fn deserialize<D>(deserializer: D) -> StdResult<Self, D::Error>
     where
diff --git a/src/link_style.rs b/src/link_style.rs
index c7e3f15..13b05ab 100644
--- a/src/link_style.rs
+++ b/src/link_style.rs
@@ -12,19 +12,16 @@ use strum::{Display, EnumString};
 /// let clog = Clog::new().unwrap();
 /// clog.link_style(LinkStyle::Stash);
 /// ```
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Display, EnumString)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Default, Display, EnumString)]
 #[strum(ascii_case_insensitive)]
 pub enum LinkStyle {
+    #[default]
     Github,
     Gitlab,
     Stash,
     Cgit,
 }
 
-impl Default for LinkStyle {
-    fn default() -> Self { LinkStyle::Github }
-}
-
 impl<'de> serde::de::Deserialize<'de> for LinkStyle {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where