diff --git a/src/message.rs b/src/message.rs
index 5f0dbcc..f65dbfb 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -23,10 +23,10 @@ pub struct Message {
 
     /// Description part of the commit message.
     pub description: Option<String>,
-
     /// Footers part of the commit message.
     pub footers: Option<HashMap<String, String>>,
 
+    #[allow(dead_code)]
     /// Raw commit message (or any input from stdin) including the body and footers.
     pub raw: String,
 
diff --git a/src/rule/description_format.rs b/src/rule/description_format.rs
index 070d315..0b5c3db 100644
--- a/src/rule/description_format.rs
+++ b/src/rule/description_format.rs
@@ -78,8 +78,10 @@ mod tests {
 
     #[test]
     fn test_invalid_description_format() {
-        let mut rule = DescriptionFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = DescriptionFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -96,8 +98,10 @@ mod tests {
 
     #[test]
     fn test_valid_description_format() {
-        let mut rule = DescriptionFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = DescriptionFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -120,8 +124,10 @@ mod tests {
 
     #[test]
     fn test_invalid_regex() {
-        let mut rule = DescriptionFormat::default();
-        rule.format = Some(r"(".to_string());
+        let rule = DescriptionFormat {
+            format: Some(r"(".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
diff --git a/src/rule/scope.rs b/src/rule/scope.rs
index a0fdd06..f469898 100644
--- a/src/rule/scope.rs
+++ b/src/rule/scope.rs
@@ -140,8 +140,10 @@ mod tests {
         use super::*;
         #[test]
         fn test_empty_scope() {
-            let mut rule = Scope::default();
-            rule.options = vec!["api".to_string(), "web".to_string()];
+            let rule = Scope {
+                options: vec!["api".to_string(), "web".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -164,8 +166,10 @@ mod tests {
 
         #[test]
         fn test_none_scope() {
-            let mut rule = Scope::default();
-            rule.options = vec!["api".to_string(), "web".to_string()];
+            let rule = Scope {
+                options: vec!["api".to_string(), "web".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -188,8 +192,10 @@ mod tests {
 
         #[test]
         fn test_valid_scope() {
-            let mut rule = Scope::default();
-            rule.options = vec!["api".to_string(), "web".to_string()];
+            let rule = Scope {
+                options: vec!["api".to_string(), "web".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -206,8 +212,10 @@ mod tests {
 
         #[test]
         fn test_invalid_scope() {
-            let mut rule = Scope::default();
-            rule.options = vec!["api".to_string(), "web".to_string()];
+            let rule = Scope {
+                options: vec!["api".to_string(), "web".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
diff --git a/src/rule/scope_format.rs b/src/rule/scope_format.rs
index 9889bed..d0b0959 100644
--- a/src/rule/scope_format.rs
+++ b/src/rule/scope_format.rs
@@ -78,8 +78,10 @@ mod tests {
 
     #[test]
     fn test_invalid_description_format() {
-        let mut rule = ScopeFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = ScopeFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -96,8 +98,10 @@ mod tests {
 
     #[test]
     fn test_valid_description_format() {
-        let mut rule = ScopeFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = ScopeFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -120,8 +124,10 @@ mod tests {
 
     #[test]
     fn test_invalid_regex() {
-        let mut rule = ScopeFormat::default();
-        rule.format = Some(r"(".to_string());
+        let rule = ScopeFormat {
+            format: Some(r"(".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
diff --git a/src/rule/type.rs b/src/rule/type.rs
index ba4f4b5..26f3e94 100644
--- a/src/rule/type.rs
+++ b/src/rule/type.rs
@@ -139,8 +139,10 @@ mod tests {
         use super::*;
         #[test]
         fn test_empty_type() {
-            let mut rule = Type::default();
-            rule.options = vec!["feat".to_string(), "chore".to_string()];
+            let rule = Type {
+                options: vec!["feat".to_string(), "chore".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -163,8 +165,10 @@ mod tests {
 
         #[test]
         fn test_none_type() {
-            let mut rule = Type::default();
-            rule.options = vec!["feat".to_string(), "chore".to_string()];
+            let rule = Type {
+                options: vec!["feat".to_string(), "chore".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -187,8 +191,10 @@ mod tests {
 
         #[test]
         fn test_valid_type() {
-            let mut rule = Type::default();
-            rule.options = vec!["feat".to_string(), "chore".to_string()];
+            let rule = Type {
+                options: vec!["feat".to_string(), "chore".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
@@ -205,8 +211,10 @@ mod tests {
 
         #[test]
         fn test_invalid_type() {
-            let mut rule = Type::default();
-            rule.options = vec!["feat".to_string(), "chore".to_string()];
+            let rule = Type {
+                options: vec!["feat".to_string(), "chore".to_string()],
+                ..Default::default()
+            };
 
             let message = Message {
                 body: None,
diff --git a/src/rule/type_format.rs b/src/rule/type_format.rs
index 259a3ee..672549c 100644
--- a/src/rule/type_format.rs
+++ b/src/rule/type_format.rs
@@ -78,8 +78,10 @@ mod tests {
 
     #[test]
     fn test_invalid_description_format() {
-        let mut rule = TypeFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = TypeFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -96,8 +98,10 @@ mod tests {
 
     #[test]
     fn test_valid_description_format() {
-        let mut rule = TypeFormat::default();
-        rule.format = Some(r"^[a-z].*".to_string());
+        let rule = TypeFormat {
+            format: Some(r"^[a-z].*".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,
@@ -120,8 +124,10 @@ mod tests {
 
     #[test]
     fn test_invalid_regex() {
-        let mut rule = TypeFormat::default();
-        rule.format = Some(r"(".to_string());
+        let rule = TypeFormat {
+            format: Some(r"(".to_string()),
+            ..Default::default()
+        };
 
         let message = Message {
             body: None,