diff --git a/src/config/mod.rs b/src/config/mod.rs
index 1820475..8fe96ce 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -116,7 +116,7 @@ impl Chart {
         }
         //let err = error!("repo {} is not found in the repo list", self.repository);
         let error_msg = format!("repo {} is not found in the repo list", self.repository);
-        return Err(Box::from(error_msg));
+        Err(Box::from(error_msg))
     }
     // TODO: Handle the "mirror not found" error
     pub(crate) fn populate_mirrors(
@@ -132,7 +132,7 @@ impl Chart {
                 }
             }
         }
-        if mirror_objs.len() > 0 {
+        if !mirror_objs.is_empty() {
             self.mirror_objs = Some(mirror_objs);
         }
         Ok(())
@@ -143,7 +143,7 @@ impl Chart {
             Some(res) => res.helm.unwrap().url,
             None => {
                 warn!("repository object is not filled for chart {}", self.name);
-                return "".to_string();
+                "".to_string()
             }
         }
     }
@@ -153,7 +153,7 @@ impl Chart {
             Some(res) => res.git.unwrap().url,
             None => {
                 warn!("repository object is not filled for chart {}", self.name);
-                return "".to_string();
+                "".to_string()
             }
         }
     }
@@ -163,7 +163,7 @@ impl Chart {
             Some(res) => res.git.unwrap().git_ref,
             None => {
                 warn!("repository object is not filled for chart {}", self.name);
-                return "".to_string();
+                "".to_string()
             }
         }
     }
@@ -173,7 +173,7 @@ impl Chart {
             Some(res) => res.git.unwrap().path,
             None => {
                 warn!("repository object is not filled for chart {}", self.name);
-                return "".to_string();
+                "".to_string()
             }
         }
     }
@@ -182,7 +182,7 @@ impl Chart {
         match &self.repository_obj {
             Some(res) => {
                 if res.helm.is_some() {
-                    return Ok(RepositoryKind::Helm);
+                    Ok(RepositoryKind::Helm)
                 } else if res.git.is_some() {
                     return Ok(RepositoryKind::Git);
                 } else {
@@ -190,9 +190,9 @@ impl Chart {
                 }
             }
             None => {
-                return Err(Box::from(
+                Err(Box::from(
                     "repository object is not filled up for the chart",
-                ));
+                ))
             }
         }
     }
diff --git a/src/config/patch.rs b/src/config/patch.rs
index d3b02c0..db99573 100644
--- a/src/config/patch.rs
+++ b/src/config/patch.rs
@@ -172,12 +172,12 @@ fn patch_action_from_definition(
     patch: Patch,
 ) -> Result<Box<dyn PatchInterface>, Box<dyn std::error::Error>> {
     if let Some(regexp) = patch.regexp {
-        return Ok(Box::new(RegexpPatch { path: regexp.path }));
+        Ok(Box::new(RegexpPatch { path: regexp.path }))
     } else if let Some(git) = patch.git {
         return Ok(Box::new(GitPatch {
             path: {
                 let path = PathBuf::from(git.path);
-                let can_path = fs::canonicalize(&path).ok().unwrap();
+                let can_path = fs::canonicalize(path).ok().unwrap();
                 can_path.into_os_string().into_string().ok().unwrap()
             },
         }));
@@ -192,7 +192,7 @@ fn patch_action_from_definition(
         return Ok(Box::from(yq));
     } else {
         return Err(Box::from("unknown patch type"));
-    };
+    }
 }
 
 fn is_git_repo(path: String) -> bool {
diff --git a/src/main.rs b/src/main.rs
index 0367306..95a0d88 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -44,7 +44,7 @@ fn main() {
         Some(res) => match create_dir(res.clone()) {
             Ok(_) => {
                 let path = PathBuf::from(res);
-                let can_path = fs::canonicalize(&path).ok().unwrap();
+                let can_path = fs::canonicalize(path).ok().unwrap();
                 can_path.into_os_string().into_string().ok().unwrap()
             }
             Err(err) => {
diff --git a/src/source/mod.rs b/src/source/mod.rs
index 6e37d06..9d62199 100644
--- a/src/source/mod.rs
+++ b/src/source/mod.rs
@@ -37,7 +37,7 @@ pub(crate) struct Version {
 pub(crate) fn repo_from_chart(chart: Chart) -> Result<Box<dyn Repo>, Box<dyn std::error::Error>> {
     match chart.get_repo_kind() {
         Ok(res) => {
-            return match res {
+            match res {
                 crate::config::RepositoryKind::Helm => {
                     let helm: helm::Helm = chart.into();
                     Ok(Box::new(helm))
@@ -48,6 +48,6 @@ pub(crate) fn repo_from_chart(chart: Chart) -> Result<Box<dyn Repo>, Box<dyn std
                 }
             }
         }
-        Err(err) => return Err(Box::from(err)),
-    };
+        Err(err) => Err(err),
+    }
 }