diff --git a/dee/src/config.rs b/dee/src/config.rs
index 1d06941..c4d4e4c 100644
--- a/dee/src/config.rs
+++ b/dee/src/config.rs
@@ -14,8 +14,8 @@ pub struct Local {
 }
 
 impl Local {
-    const APP_NAME: &str = env!("CARGO_PKG_NAME");
-    const CONFIG_NAME: Option<&str> = Some("default");
+    const APP_NAME: &'static str = env!("CARGO_PKG_NAME");
+    const CONFIG_NAME: Option<&'static str> = Some("default");
 
     pub fn load() -> Self {
         confy::load(Self::APP_NAME, Self::CONFIG_NAME).unwrap()
diff --git a/drand_core/examples/coin_flip.rs b/drand_core/examples/coin_flip.rs
index ef8d908..a16ddea 100644
--- a/drand_core/examples/coin_flip.rs
+++ b/drand_core/examples/coin_flip.rs
@@ -15,7 +15,7 @@ fn main() {
     let mut rng = ChaCha20Rng::from_seed(seed);
 
     // Flip a coin using the seeded RNG.
-    let coin = vec!["HEAD", "TAIL"];
+    let coin = ["HEAD", "TAIL"];
     let flip = coin.choose(&mut rng).unwrap();
     println!("{flip} (round {round})");
 }
diff --git a/drand_core/src/http_client.rs b/drand_core/src/http_client.rs
index 5de4d4f..2e10976 100644
--- a/drand_core/src/http_client.rs
+++ b/drand_core/src/http_client.rs
@@ -129,9 +129,7 @@ impl HttpClient {
             .call()
             .map_err(|e| -> DrandError {
                 match e {
-                    ureq::Error::Status(404, _) => {
-                        Box::new(BeaconError::NotFound).into()
-                    }
+                    ureq::Error::Status(404, _) => Box::new(BeaconError::NotFound).into(),
                     _ => Box::new(HttpClientError::RequestFailed(e.into())).into(),
                 }
             })?