diff --git a/src/ipdb.rs b/src/ipdb.rs
index c0d231f..88199c2 100644
--- a/src/ipdb.rs
+++ b/src/ipdb.rs
@@ -32,7 +32,7 @@ impl DbType {
         }
     }
 
-    async fn db_path(&self) -> color_eyre::Result<PathBuf> {
+    async fn db_path(self) -> color_eyre::Result<PathBuf> {
         let mut cache_path =
             get_cache_path().await.wrap_err("failed to get cache path")?;
         match self {
@@ -42,7 +42,7 @@ impl DbType {
         Ok(cache_path)
     }
 
-    async fn etag_path(&self) -> color_eyre::Result<PathBuf> {
+    async fn etag_path(self) -> color_eyre::Result<PathBuf> {
         let mut db_path = self.db_path().await.wrap_err_with(move || {
             format!("failed to get {} database path", self.name())
         })?;
@@ -51,13 +51,13 @@ impl DbType {
     }
 
     async fn save_db(
-        &self,
+        self,
         mut response: reqwest::Response,
         #[cfg(feature = "tui")] tx: tokio::sync::mpsc::UnboundedSender<Event>,
     ) -> color_eyre::Result<()> {
         #[cfg(feature = "tui")]
         drop(tx.send(Event::App(AppEvent::IpDbTotal(
-            *self,
+            self,
             response.content_length(),
         ))));
 
@@ -73,18 +73,17 @@ impl DbType {
                 format!("failed to write to file {}", db_path.display())
             })?;
             #[cfg(feature = "tui")]
-            drop(tx.send(Event::App(AppEvent::IpDbDownloaded(
-                *self,
-                chunk.len(),
-            ))));
+            drop(
+                tx.send(Event::App(AppEvent::IpDbDownloaded(
+                    self,
+                    chunk.len(),
+                ))),
+            );
         }
         Ok(())
     }
 
-    async fn save_etag(
-        &self,
-        etag: impl AsRef<[u8]>,
-    ) -> color_eyre::Result<()> {
+    async fn save_etag(self, etag: impl AsRef<[u8]>) -> color_eyre::Result<()> {
         let path = self.etag_path().await?;
         tokio::fs::write(&path, etag).await.wrap_err_with(move || {
             format!("failed to write to file {}", path.display())
@@ -92,7 +91,7 @@ impl DbType {
     }
 
     async fn read_etag(
-        &self,
+        self,
     ) -> color_eyre::Result<Option<reqwest::header::HeaderValue>> {
         let path = self.etag_path().await?;
         match tokio::fs::read_to_string(&path).await {
@@ -104,7 +103,7 @@ impl DbType {
         }
     }
 
-    async fn remove_etag(&self) -> color_eyre::Result<()> {
+    async fn remove_etag(self) -> color_eyre::Result<()> {
         let path = self.etag_path().await?;
         match tokio::fs::remove_file(&path).await {
             Ok(()) => Ok(()),
diff --git a/src/scraper.rs b/src/scraper.rs
index 5468076..7436bd3 100644
--- a/src/scraper.rs
+++ b/src/scraper.rs
@@ -123,15 +123,13 @@ pub async fn scrape_all(
     let proxies = Arc::new(tokio::sync::Mutex::new(HashSet::new()));
 
     let mut join_set = tokio::task::JoinSet::new();
-    for (proto, sources) in &config.scraping.sources {
+    for (&proto, sources) in &config.scraping.sources {
         #[cfg(feature = "tui")]
-        drop(
-            tx.send(Event::App(AppEvent::SourcesTotal(*proto, sources.len()))),
-        );
+        drop(tx.send(Event::App(AppEvent::SourcesTotal(proto, sources.len()))));
+
         for source in sources.iter().cloned() {
             let config = Arc::clone(&config);
             let http_client = http_client.clone();
-            let proto_copy = *proto;
             let proxies = Arc::clone(&proxies);
             let token = token.clone();
             #[cfg(feature = "tui")]
@@ -142,7 +140,7 @@ pub async fn scrape_all(
                     res = scrape_one(
                         config,
                         http_client,
-                        proto_copy,
+                        proto,
                         proxies,
                         source,
                         #[cfg(feature = "tui")]