diff --git a/src/config/config_tests.rs b/src/config/config_tests.rs
index 9a1a8f2c5..c8a4029e3 100644
--- a/src/config/config_tests.rs
+++ b/src/config/config_tests.rs
@@ -246,8 +246,7 @@ async fn test_sync() -> Result<()> {
         alice1
             .get_config(Config::Selfavatar)
             .await?
-            .filter(|path| path.ends_with(".png"))
-            .is_some()
+            .is_some_and(|path| path.ends_with(".png"))
     );
     alice0.set_config(Config::Selfavatar, None).await?;
     sync(&alice0, &alice1).await;
@@ -305,16 +304,14 @@ async fn test_no_sync_on_self_sent_msg() -> Result<()> {
         alice1
             .get_config(Config::Selfavatar)
             .await?
-            .filter(|path| path.ends_with(".jpg"))
-            .is_some()
+            .is_some_and(|path| path.ends_with(".jpg"))
     );
     sync(alice1, alice0).await;
     assert!(
         alice0
             .get_config(Config::Selfavatar)
             .await?
-            .filter(|path| path.ends_with(".jpg"))
-            .is_some()
+            .is_some_and(|path| path.ends_with(".jpg"))
     );
 
     Ok(())
diff --git a/src/dehtml.rs b/src/dehtml.rs
index 4c1b6cc24..43ade717e 100644
--- a/src/dehtml.rs
+++ b/src/dehtml.rs
@@ -266,15 +266,11 @@ fn dehtml_endtag_cb(event: &BytesEnd, dehtml: &mut Dehtml) {
                 }
             }
         }
-        "b" | "strong" => {
-            if dehtml.get_add_text() != AddText::No {
-                *dehtml.get_buf() += "*";
-            }
+        "b" | "strong" if dehtml.get_add_text() != AddText::No => {
+            *dehtml.get_buf() += "*";
         }
-        "i" | "em" => {
-            if dehtml.get_add_text() != AddText::No {
-                *dehtml.get_buf() += "_";
-            }
+        "i" | "em" if dehtml.get_add_text() != AddText::No => {
+            *dehtml.get_buf() += "_";
         }
         "blockquote" => pop_tag(&mut dehtml.blockquotes_since_blockquote),
         _ => {}
@@ -341,15 +337,11 @@ fn dehtml_starttag_cb<B: std::io::BufRead>(
                 }
             }
         }
-        "b" | "strong" => {
-            if dehtml.get_add_text() != AddText::No {
-                *dehtml.get_buf() += "*";
-            }
+        "b" | "strong" if dehtml.get_add_text() != AddText::No => {
+            *dehtml.get_buf() += "*";
         }
-        "i" | "em" => {
-            if dehtml.get_add_text() != AddText::No {
-                *dehtml.get_buf() += "_";
-            }
+        "i" | "em" if dehtml.get_add_text() != AddText::No => {
+            *dehtml.get_buf() += "_";
         }
         "blockquote" => dehtml.blockquotes_since_blockquote += 1,
         _ => {}
diff --git a/src/net/dns.rs b/src/net/dns.rs
index ac6956446..6ed3ce5e3 100644
--- a/src/net/dns.rs
+++ b/src/net/dns.rs
@@ -881,7 +881,7 @@ fn merge_with_cache(
 ) -> Vec<SocketAddr> {
     let rest = resolved_addrs.split_off(std::cmp::min(resolved_addrs.len(), 2));
 
-    for addr in cache.into_iter().chain(rest.into_iter()) {
+    for addr in cache.into_iter().chain(rest) {
         if !resolved_addrs.contains(&addr) {
             resolved_addrs.push(addr);
             if resolved_addrs.len() >= 10 {
diff --git a/src/quota.rs b/src/quota.rs
index 6c34880c5..ec93f5877 100644
--- a/src/quota.rs
+++ b/src/quota.rs
@@ -109,10 +109,9 @@ impl Context {
     /// called.
     pub(crate) async fn quota_needs_update(&self, transport_id: u32, ratelimit_secs: u64) -> bool {
         let quota = self.quota.read().await;
-        quota
-            .get(&transport_id)
-            .filter(|quota| time_elapsed(&quota.modified) < Duration::from_secs(ratelimit_secs))
-            .is_none()
+        quota.get(&transport_id).is_none_or(|quota| {
+            time_elapsed(&quota.modified) >= Duration::from_secs(ratelimit_secs)
+        })
     }
 
     /// Updates `quota.recent`, sets `quota.modified` to the current time
diff --git a/src/reaction.rs b/src/reaction.rs
index 676b1cb5f..08f0494ef 100644
--- a/src/reaction.rs
+++ b/src/reaction.rs
@@ -347,8 +347,7 @@ impl Chat {
         if self
             .param
             .get_i64(Param::LastReactionTimestamp)
-            .filter(|&reaction_timestamp| reaction_timestamp > timestamp)
-            .is_none()
+            .is_none_or(|reaction_timestamp| reaction_timestamp <= timestamp)
         {
             return Ok(None);
         };
diff --git a/src/receive_imf.rs b/src/receive_imf.rs
index 249972024..55c98da76 100644
--- a/src/receive_imf.rs
+++ b/src/receive_imf.rs
@@ -879,8 +879,7 @@ UPDATE config SET value=? WHERE keyname='configured_addr' AND value!=?1
         let instance = if mime_parser
             .parts
             .first()
-            .filter(|part| part.typ == Viewtype::Webxdc)
-            .is_some()
+            .is_some_and(|part| part.typ == Viewtype::Webxdc)
         {
             can_info_msg = false;
             Some(
diff --git a/src/scheduler.rs b/src/scheduler.rs
index 53b5385bc..655b657e2 100644
--- a/src/scheduler.rs
+++ b/src/scheduler.rs
@@ -876,7 +876,7 @@ impl Scheduler {
         let timeout_duration = std::time::Duration::from_secs(30);
 
         let tracker = TaskTracker::new();
-        for b in self.inboxes.into_iter().chain(self.oboxes.into_iter()) {
+        for b in self.inboxes.into_iter().chain(self.oboxes) {
             let context = context.clone();
             tracker.spawn(async move {
                 tokio::time::timeout(timeout_duration, b.handle)
diff --git a/src/simplify.rs b/src/simplify.rs
index b2168a37f..0e3c70865 100644
--- a/src/simplify.rs
+++ b/src/simplify.rs
@@ -34,12 +34,10 @@ pub(crate) fn remove_message_footer<'a>(
             // some providers encode `-- ` to `=2D-` which results in only `--`;
             // use that only when no other footer is found
             // and if the line before is empty and the line after is not empty
-            "--" => {
-                if (ix == 0 || lines.get(ix.saturating_sub(1)).is_none_or_empty())
-                    && !lines.get(ix + 1).is_none_or_empty()
-                {
-                    nearly_standard_footer = Some(ix);
-                }
+            "--" if (ix == 0 || lines.get(ix.saturating_sub(1)).is_none_or_empty())
+                && !lines.get(ix + 1).is_none_or_empty() =>
+            {
+                nearly_standard_footer = Some(ix);
             }
             _ => (),
         }