diff --git a/src/bin/dfw.rs b/src/bin/dfw.rs
index 9ed2fc63..7cd47e8b 100644
--- a/src/bin/dfw.rs
+++ b/src/bin/dfw.rs
@@ -478,7 +478,7 @@ fn main() {
     // Signals should be set up as early as possible, to set proper signal masks to all threads
     let (s_signal, r_signal) = crossbeam_channel::bounded(10);
     let mut signals =
-        signal_hook::iterator::Signals::new(&[libc::SIGINT, libc::SIGTERM, libc::SIGHUP])
+        signal_hook::iterator::Signals::new([libc::SIGINT, libc::SIGTERM, libc::SIGHUP])
             .expect("Failed to bind to process signals");
     thread::spawn(move || {
         for signal in signals.forever() {
diff --git a/src/iptables/process.rs b/src/iptables/process.rs
index 5aa4934b..9b99d7fd 100644
--- a/src/iptables/process.rs
+++ b/src/iptables/process.rs
@@ -1042,5 +1042,5 @@ fn append_built_rule(
     rule_discriminant: IptablesRuleDiscriminants,
     rule: &BuiltRule,
 ) -> IptablesRule {
-    append_rule(rule_discriminant, &*rule.table, &*rule.chain, &*rule.rule)
+    append_rule(rule_discriminant, &rule.table, &rule.chain, &rule.rule)
 }
diff --git a/src/nftables/process.rs b/src/nftables/process.rs
index 55774bec..f9a5564e 100644
--- a/src/nftables/process.rs
+++ b/src/nftables/process.rs
@@ -186,7 +186,7 @@ impl Process<Nftables> for <Nftables as FirewallBackend>::Defaults {
         if let Some(custom_tables) = custom_tables {
             // Retrieve current ruleset to avoid duplication of already existing rules.
             let current_ruleset = Command::new("nft")
-                .args(&["list", "ruleset"])
+                .args(["list", "ruleset"])
                 .output()
                 .map(|output| String::from_utf8_lossy(&output.stdout).into_owned())
                 .ok();
diff --git a/src/types.rs b/src/types.rs
index 88183ce8..fdf2fb86 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -808,11 +808,12 @@ fn default_expose_port_family() -> String {
 ///
 /// Parts of the documentation have been taken from
 /// <https://wiki.nftables.org/wiki-nftables/index.php/Configuring_chains>.
-#[derive(Deserialize, Debug, Clone, Copy, PartialEq, Eq, Hash, Display, EnumString)]
+#[derive(Deserialize, Default, Debug, Clone, Copy, PartialEq, Eq, Hash, Display, EnumString)]
 #[serde(rename_all = "lowercase")]
 #[strum(serialize_all = "snake_case")]
 pub enum ChainPolicy {
     /// The accept verdict means that the packet will keep traversing the network stack.
+    #[default]
     #[strum(to_string = "accept", serialize = "ACCEPT")]
     #[serde(alias = "ACCEPT")]
     Accept,
@@ -823,12 +824,6 @@ pub enum ChainPolicy {
     Drop,
 }
 
-impl Default for ChainPolicy {
-    fn default() -> ChainPolicy {
-        ChainPolicy::Accept
-    }
-}
-
 impl slog::Value for ChainPolicy {
     fn serialize(
         &self,
@@ -846,11 +841,12 @@ impl slog::Value for ChainPolicy {
 ///
 /// Parts of the documentation have been taken from
 /// <https://wiki.nftables.org/wiki-nftables/index.php/Configuring_chains>.
-#[derive(Deserialize, Debug, Clone, Copy, PartialEq, Eq, Hash, Display, EnumString)]
+#[derive(Deserialize, Default, Debug, Clone, Copy, PartialEq, Eq, Hash, Display, EnumString)]
 #[serde(rename_all = "lowercase")]
 #[strum(serialize_all = "snake_case")]
 pub enum RuleVerdict {
     /// The accept verdict means that the packet will keep traversing the network stack.
+    #[default]
     #[serde(alias = "ACCEPT")]
     #[strum(to_string = "accept", serialize = "ACCEPT")]
     Accept,
@@ -866,12 +862,6 @@ pub enum RuleVerdict {
     Reject,
 }
 
-impl Default for RuleVerdict {
-    fn default() -> RuleVerdict {
-        RuleVerdict::Accept
-    }
-}
-
 impl slog::Value for RuleVerdict {
     fn serialize(
         &self,