diff --git a/rslib/src/collection/backup.rs b/rslib/src/collection/backup.rs
index 0918fc5a3..a2e6bcc7e 100644
--- a/rslib/src/collection/backup.rs
+++ b/rslib/src/collection/backup.rs
@@ -326,7 +326,8 @@ mod test {
 
         let expected: Vec<_> = backups
             .iter()
-            .filter_map(|b| b.1.then(|| b.0.clone()))
+            .filter(|b| b.1)
+            .map(|b| b.0.clone())
             .collect();
         let obsolete_backups =
             BackupFilter::new(today, limits).obsolete_backups(backups.into_iter().map(|b| b.0));
diff --git a/rslib/src/import_export/package/apkg/import/notes.rs b/rslib/src/import_export/package/apkg/import/notes.rs
index 857ae9ee4..f4c4dda22 100644
--- a/rslib/src/import_export/package/apkg/import/notes.rs
+++ b/rslib/src/import_export/package/apkg/import/notes.rs
@@ -546,7 +546,7 @@ fn notetype_conflicts(
             if meta.notetype_id != note.notetype_id {
                 conflicts
                     .entry((meta.notetype_id, note.notetype_id))
-                    .or_insert_with(Vec::new)
+                    .or_default()
                     .push(note.id);
             }
         };
diff --git a/rslib/src/notetype/checks.rs b/rslib/src/notetype/checks.rs
index b53ed3c3d..1cd6320dc 100644
--- a/rslib/src/notetype/checks.rs
+++ b/rslib/src/notetype/checks.rs
@@ -43,10 +43,11 @@ fn media_field_referencing_templates<'a>(
     notetypes
         .flat_map(|notetype| {
             notetype.templates.iter().flat_map(|card_type| {
-                card_type.sides().into_iter().filter_map(|(format, front)| {
-                    references_media_field(format)
-                        .then(|| Template::new(&notetype.name, &card_type.name, front))
-                })
+                card_type
+                    .sides()
+                    .into_iter()
+                    .filter(|&(format, _front)| references_media_field(format))
+                    .map(|(_format, front)| Template::new(&notetype.name, &card_type.name, front))
             })
         })
         .collect()
diff --git a/rslib/src/search/sqlwriter.rs b/rslib/src/search/sqlwriter.rs
index 2d9ab5731..94880e1ae 100644
--- a/rslib/src/search/sqlwriter.rs
+++ b/rslib/src/search/sqlwriter.rs
@@ -630,9 +630,8 @@ impl SqlWriter<'_> {
             let matched_fields = nt
                 .fields
                 .iter()
-                .filter_map(|field| {
-                    matches_glob(&field.name).then(|| field.ord.unwrap_or_default())
-                })
+                .filter(|&field| matches_glob(&field.name))
+                .map(|field| field.ord.unwrap_or_default())
                 .collect_ranges();
             if !matched_fields.is_empty() {
                 field_map.push(FieldQualifiedSearchContext {
@@ -660,9 +659,8 @@ impl SqlWriter<'_> {
             let matched_fields: Vec<u32> = nt
                 .fields
                 .iter()
-                .filter_map(|field| {
-                    matches_glob(&field.name).then(|| field.ord.unwrap_or_default())
-                })
+                .filter(|&field| matches_glob(&field.name))
+                .map(|field| field.ord.unwrap_or_default())
                 .collect();
             if !matched_fields.is_empty() {
                 field_map.push((nt.id, matched_fields));
diff --git a/rslib/src/services.rs b/rslib/src/services.rs
index 536507436..27f25cf33 100644
--- a/rslib/src/services.rs
+++ b/rslib/src/services.rs
@@ -1,6 +1,9 @@
 // Copyright: Ankitects Pty Ltd and contributors
 // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
+#![allow(clippy::redundant_closure)]
+
 // Includes the automatically-generated *Service and Backend*Service traits,
 // and some impls on Backend and Collection.
+
 include!(concat!(env!("OUT_DIR"), "/backend.rs"));
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 886cf9fcc..0cd95ef97 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
 # older versions may fail to compile; newer versions may fail the clippy tests
-channel = "1.72"
+channel = "1.73"