diff --git a/cli/src/config.rs b/cli/src/config.rs
index 2ad5599dc..bd151d244 100644
--- a/cli/src/config.rs
+++ b/cli/src/config.rs
@@ -943,7 +943,7 @@ mod tests {
             let (want_existing, want_new) = match self.want {
                 Want::None => (None, None),
                 Want::New(want) => (None, Some(want)),
-                Want::ExistingAndNew(want) => (Some(want.clone()), Some(want)),
+                Want::ExistingAndNew(want) => (Some(want), Some(want)),
             };
 
             check(
diff --git a/cli/tests/test_config_command.rs b/cli/tests/test_config_command.rs
index f07d6374a..1ca7a2de1 100644
--- a/cli/tests/test_config_command.rs
+++ b/cli/tests/test_config_command.rs
@@ -23,10 +23,10 @@ pub mod common;
 fn test_config_list_single() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
     [test-table]
     somekey = "some value"
-    "###,
+    "#,
     );
 
     let stdout = test_env.jj_cmd_success(
@@ -55,12 +55,12 @@ fn test_config_list_nonexistent() {
 fn test_config_list_table() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
     [test-table]
     x = true
     y.foo = "abc"
     y.bar = 123
-    "###,
+    "#,
     );
     let stdout = test_env.jj_cmd_success(test_env.env_root(), &["config", "list", "test-table"]);
     insta::assert_snapshot!(
@@ -76,9 +76,9 @@ fn test_config_list_table() {
 fn test_config_list_array() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
     test-array = [1, "b", 3.4]
-    "###,
+    "#,
     );
     let stdout = test_env.jj_cmd_success(test_env.env_root(), &["config", "list", "test-array"]);
     insta::assert_snapshot!(stdout, @r###"
@@ -90,12 +90,12 @@ fn test_config_list_array() {
 fn test_config_list_inline_table() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
         [[test-table]]
         x = 1
         [[test-table]]
         y = ["z"]
-    "###,
+    "#,
     );
     let stdout = test_env.jj_cmd_success(test_env.env_root(), &["config", "list", "test-table"]);
     insta::assert_snapshot!(stdout, @r###"
@@ -107,13 +107,13 @@ fn test_config_list_inline_table() {
 fn test_config_list_all() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
     test-val = [1, 2, 3]
     [test-table]
     x = true
     y.foo = "abc"
     y.bar = 123
-    "###,
+    "#,
     );
     let stdout = test_env.jj_cmd_success(test_env.env_root(), &["config", "list"]);
     insta::assert_snapshot!(
@@ -439,19 +439,19 @@ fn test_config_edit_repo_outside_repo() {
 fn test_config_get() {
     let test_env = TestEnvironment::default();
     test_env.add_config(
-        r###"
+        r#"
     [table]
     string = "some value 1"
     int = 123
     list = ["list", "value"]
     overridden = "foo"
-    "###,
+    "#,
     );
     test_env.add_config(
-        r###"
+        r#"
     [table]
     overridden = "bar"
-    "###,
+    "#,
     );
 
     let stdout = test_env.jj_cmd_failure(test_env.env_root(), &["config", "get", "nonexistent"]);
diff --git a/cli/tests/test_duplicate_command.rs b/cli/tests/test_duplicate_command.rs
index 8acf180fc..0f5e61752 100644
--- a/cli/tests/test_duplicate_command.rs
+++ b/cli/tests/test_duplicate_command.rs
@@ -328,8 +328,8 @@ fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
 }
 
 fn get_log_output_with_ts(test_env: &TestEnvironment, repo_path: &Path) -> String {
-    let template = r###"
+    let template = r#"
     commit_id.short() ++ "   " ++ description.first_line() ++ " @ " ++ committer.timestamp()
-    "###;
+    "#;
     test_env.jj_cmd_success(repo_path, &["log", "-T", template])
 }
diff --git a/cli/tests/test_git_clone.rs b/cli/tests/test_git_clone.rs
index 260e40963..be0621886 100644
--- a/cli/tests/test_git_clone.rs
+++ b/cli/tests/test_git_clone.rs
@@ -198,6 +198,8 @@ fn test_git_clone_colocate() {
             .symbolic_target()
     );
     // ".jj" directory should be ignored at Git side.
+    #[allow(unknown_lints)] // Needed for clippy <=1.71
+    #[allow(clippy::format_collect)]
     let git_statuses: String = jj_git_repo
         .statuses(None)
         .unwrap()
diff --git a/cli/tests/test_git_colocated.rs b/cli/tests/test_git_colocated.rs
index 4a86c0f49..eb73e687b 100644
--- a/cli/tests/test_git_colocated.rs
+++ b/cli/tests/test_git_colocated.rs
@@ -378,7 +378,7 @@ fn test_git_colocated_squash_undo() {
 }
 
 fn get_log_output_divergence(test_env: &TestEnvironment, repo_path: &Path) -> String {
-    let template = r###"
+    let template = r#"
     separate(" ",
       change_id.short(),
       commit_id.short(),
@@ -387,7 +387,7 @@ fn get_log_output_divergence(test_env: &TestEnvironment, repo_path: &Path) -> St
       git_head,
       if(divergent, "!divergence!"),
     )
-    "###;
+    "#;
     test_env.jj_cmd_success(repo_path, &["log", "-T", template])
 }
 
diff --git a/cli/tests/test_log_command.rs b/cli/tests/test_log_command.rs
index 52cf81186..dd2eb9d2d 100644
--- a/cli/tests/test_log_command.rs
+++ b/cli/tests/test_log_command.rs
@@ -328,10 +328,10 @@ fn test_log_shortest_accessors() {
         )
     };
     test_env.add_config(
-        r###"
+        r#"
         [template-aliases]
         'format_id(id)' = 'id.shortest(12).prefix() ++ "[" ++ id.shortest(12).rest() ++ "]"'
-        "###,
+        "#,
     );
 
     std::fs::write(repo_path.join("file"), "original file\n").unwrap();
@@ -561,15 +561,15 @@ fn test_log_prefix_highlight_counts_hidden_commits() {
     test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
     let repo_path = test_env.env_root().join("repo");
     test_env.add_config(
-        r###"
+        r#"
         [revsets]
         short-prefixes = "" # Disable short prefixes
         [template-aliases]
         'format_id(id)' = 'id.shortest(12).prefix() ++ "[" ++ id.shortest(12).rest() ++ "]"'
-        "###,
+        "#,
     );
 
-    let prefix_format = r###"
+    let prefix_format = r#"
     separate(" ",
       "Change",
       format_id(change_id),
@@ -577,7 +577,7 @@ fn test_log_prefix_highlight_counts_hidden_commits() {
       format_id(commit_id),
       branches,
     )
-    "###;
+    "#;
 
     std::fs::write(repo_path.join("file"), "original file\n").unwrap();
     test_env.jj_cmd_success(&repo_path, &["describe", "-m", "initial"]);
diff --git a/cli/tests/test_revset_output.rs b/cli/tests/test_revset_output.rs
index 0476833dd..7e659f5b4 100644
--- a/cli/tests/test_revset_output.rs
+++ b/cli/tests/test_revset_output.rs
@@ -374,12 +374,12 @@ fn test_bad_alias_decl() {
     let repo_path = test_env.env_root().join("repo");
 
     test_env.add_config(
-        r###"
+        r#"
     [revset-aliases]
     'my-root' = 'root'
     '"bad"' = 'root'
     'badfn(a, a)' = 'root'
-    "###,
+    "#,
     );
 
     // Invalid declaration should be warned and ignored.
diff --git a/cli/tests/test_templater.rs b/cli/tests/test_templater.rs
index 70fdb8c2c..583a8c8f3 100644
--- a/cli/tests/test_templater.rs
+++ b/cli/tests/test_templater.rs
@@ -429,11 +429,11 @@ fn test_templater_timestamp_method() {
     let render_err = |template| test_env.jj_cmd_failure(&repo_path, &["log", "-T", template]);
 
     test_env.add_config(
-        r###"
+        r#"
     [template-aliases]
     'time_format' = '"%Y-%m-%d"'
     'bad_time_format' = '"%_"'
-    "###,
+    "#,
     );
 
     insta::assert_snapshot!(
@@ -815,10 +815,10 @@ fn test_templater_alias_override() {
     let repo_path = test_env.env_root().join("repo");
 
     test_env.add_config(
-        r###"
+        r#"
     [template-aliases]
     'f(x)' = '"user"'
-    "###,
+    "#,
     );
 
     // 'f(x)' should be overridden by --config-toml 'f(a)'. If aliases were sorted
diff --git a/cli/tests/test_workspaces.rs b/cli/tests/test_workspaces.rs
index adb7b70ad..33cdcb570 100644
--- a/cli/tests/test_workspaces.rs
+++ b/cli/tests/test_workspaces.rs
@@ -412,12 +412,12 @@ fn test_workspaces_root() {
 }
 
 fn get_log_output(test_env: &TestEnvironment, cwd: &Path) -> String {
-    let template = r###"
+    let template = r#"
     separate(" ",
       commit_id,
       working_copies,
       if(divergent, "(divergent)"),
     )
-    "###;
+    "#;
     test_env.jj_cmd_success(cwd, &["log", "-T", template, "-r", "all()"])
 }
diff --git a/lib/src/git.rs b/lib/src/git.rs
index 163f15d5a..4180827f6 100644
--- a/lib/src/git.rs
+++ b/lib/src/git.rs
@@ -572,7 +572,8 @@ pub fn remove_remote(
         .view()
         .git_refs()
         .keys()
-        .filter_map(|r| r.starts_with(&prefix).then(|| r.clone()))
+        .filter(|&r| r.starts_with(&prefix))
+        .cloned()
         .collect_vec();
     for branch in branches_to_delete {
         mut_repo.set_remote_branch_target(&branch, remote_name, RefTarget::absent());
@@ -679,7 +680,8 @@ pub fn fetch(
         .view()
         .branches()
         .iter()
-        .filter_map(|(branch, target)| target.local_target.is_present().then(|| branch.to_owned()))
+        .filter(|&(_branch, target)| target.local_target.is_present())
+        .map(|(branch, _target)| branch.to_owned())
         .collect();
     // TODO: Inform the user if the export failed? In most cases, export is not
     // essential for fetch to work.
diff --git a/lib/src/revset.rs b/lib/src/revset.rs
index b854844f9..2e3af26af 100644
--- a/lib/src/revset.rs
+++ b/lib/src/revset.rs
@@ -918,9 +918,9 @@ fn collect_function_names(aliases_map: &RevsetAliasesMap) -> Vec<String> {
 fn collect_similar(name: &str, candidates: &[impl AsRef<str>]) -> Vec<String> {
     candidates
         .iter()
-        .filter_map(|cand| {
+        .filter(|cand| {
             // The parameter is borrowed from clap f5540d26
-            (strsim::jaro(name, cand.as_ref()) > 0.7).then_some(cand)
+            strsim::jaro(name, cand.as_ref()) > 0.7
         })
         .map(|s| s.as_ref().to_owned())
         .collect_vec()
diff --git a/lib/src/working_copy.rs b/lib/src/working_copy.rs
index ae85663aa..d799ab882 100644
--- a/lib/src/working_copy.rs
+++ b/lib/src/working_copy.rs
@@ -666,11 +666,10 @@ impl TreeState {
             trace_span!("collecting existing files").in_scope(|| {
                 self.file_states
                     .iter()
-                    .filter_map(|(path, state)| {
-                        (fsmonitor_matcher.matches(path)
-                            && state.file_type != FileType::GitSubmodule)
-                            .then(|| path.clone())
+                    .filter(|&(path, state)| {
+                        fsmonitor_matcher.matches(path) && state.file_type != FileType::GitSubmodule
                     })
+                    .map(|(path, _state)| path.clone())
                     .collect()
             });
         trace_span!("process tree entries").in_scope(|| {