diff --git a/cli/examples/custom-command/main.rs b/cli/examples/custom-command/main.rs
index 7c1b607bc0..bdcf657491 100644
--- a/cli/examples/custom-command/main.rs
+++ b/cli/examples/custom-command/main.rs
@@ -38,7 +38,7 @@ fn run_custom_command(
     match command {
         CustomCommand::Frobnicate(args) => {
             let mut workspace_command = command_helper.workspace_helper(ui)?;
-            let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+            let commit = workspace_command.resolve_single_rev(&args.revision)?;
             let mut tx = workspace_command.start_transaction();
             let new_commit = tx
                 .mut_repo()
diff --git a/cli/src/cli_util.rs b/cli/src/cli_util.rs
index 416afb3d9b..d9e0b3c5c5 100644
--- a/cli/src/cli_util.rs
+++ b/cli/src/cli_util.rs
@@ -1091,12 +1091,8 @@ impl WorkspaceCommandHelper {
 
     /// Resolve a revset to a single revision. Return an error if the revset is
     /// empty or has multiple revisions.
-    pub fn resolve_single_rev(
-        &self,
-        revision_str: &str,
-        ui: &mut Ui,
-    ) -> Result<Commit, CommandError> {
-        let revset_expression = self.parse_revset(revision_str, Some(ui))?;
+    pub fn resolve_single_rev(&self, revision_str: &str) -> Result<Commit, CommandError> {
+        let revset_expression = self.parse_revset(revision_str)?;
         let revset = self.evaluate_revset(revset_expression.clone())?;
         let mut iter = revset.iter().commits(self.repo().store()).fuse();
         match (iter.next(), iter.next()) {
@@ -1145,12 +1141,8 @@ Set which revision the branch points to with `jj branch set {branch_name} -r <RE
     }
 
     /// Resolve a revset any number of revisions (including 0).
-    pub fn resolve_revset(
-        &self,
-        revision_str: &str,
-        ui: &mut Ui,
-    ) -> Result<Vec<Commit>, CommandError> {
-        let revset_expression = self.parse_revset(revision_str, Some(ui))?;
+    pub fn resolve_revset(&self, revision_str: &str) -> Result<Vec<Commit>, CommandError> {
+        let revset_expression = self.parse_revset(revision_str)?;
         let revset = self.evaluate_revset(revset_expression)?;
         Ok(revset.iter().commits(self.repo().store()).try_collect()?)
     }
@@ -1161,13 +1153,12 @@ Set which revision the branch points to with `jj branch set {branch_name} -r <RE
     pub fn resolve_revset_default_single(
         &self,
         revision_str: &str,
-        ui: &mut Ui,
     ) -> Result<Vec<Commit>, CommandError> {
         // TODO: Let pest parse the prefix too once we've dropped support for `:`
         if let Some(revision_str) = revision_str.strip_prefix("all:") {
-            self.resolve_revset(revision_str, ui)
+            self.resolve_revset(revision_str)
         } else {
-            self.resolve_single_rev(revision_str, ui)
+            self.resolve_single_rev(revision_str)
                 .map_err(|err| match err {
                     CommandError::UserError { err, hint } => CommandError::UserError {
                         err,
@@ -1187,65 +1178,8 @@ Set which revision the branch points to with `jj branch set {branch_name} -r <RE
     pub fn parse_revset(
         &self,
         revision_str: &str,
-        ui: Option<&mut Ui>,
     ) -> Result<Rc<RevsetExpression>, RevsetParseError> {
         let expression = revset::parse(revision_str, &self.revset_parse_context())?;
-        if let Some(ui) = ui {
-            fn has_legacy_rule(expression: &Rc<RevsetExpression>) -> bool {
-                match expression.as_ref() {
-                    RevsetExpression::None => false,
-                    RevsetExpression::All => false,
-                    RevsetExpression::Commits(_) => false,
-                    RevsetExpression::CommitRef(_) => false,
-                    RevsetExpression::Ancestors {
-                        heads,
-                        generation: _,
-                        is_legacy,
-                    } => *is_legacy || has_legacy_rule(heads),
-                    RevsetExpression::Descendants {
-                        roots,
-                        generation: _,
-                        is_legacy,
-                    } => *is_legacy || has_legacy_rule(roots),
-                    RevsetExpression::Range {
-                        roots,
-                        heads,
-                        generation: _,
-                    } => has_legacy_rule(roots) || has_legacy_rule(heads),
-                    RevsetExpression::DagRange {
-                        roots,
-                        heads,
-                        is_legacy,
-                    } => *is_legacy || has_legacy_rule(roots) || has_legacy_rule(heads),
-                    RevsetExpression::Heads(expression) => has_legacy_rule(expression),
-                    RevsetExpression::Roots(expression) => has_legacy_rule(expression),
-                    RevsetExpression::Latest {
-                        candidates,
-                        count: _,
-                    } => has_legacy_rule(candidates),
-                    RevsetExpression::Filter(_) => false,
-                    RevsetExpression::AsFilter(expression) => has_legacy_rule(expression),
-                    RevsetExpression::Present(expression) => has_legacy_rule(expression),
-                    RevsetExpression::NotIn(expression) => has_legacy_rule(expression),
-                    RevsetExpression::Union(expression1, expression2) => {
-                        has_legacy_rule(expression1) || has_legacy_rule(expression2)
-                    }
-                    RevsetExpression::Intersection(expression1, expression2) => {
-                        has_legacy_rule(expression1) || has_legacy_rule(expression2)
-                    }
-                    RevsetExpression::Difference(expression1, expression2) => {
-                        has_legacy_rule(expression1) || has_legacy_rule(expression2)
-                    }
-                }
-            }
-            if has_legacy_rule(&expression) {
-                writeln!(
-                    ui.warning(),
-                    "The `:` revset operator is deprecated. Please switch to `::`."
-                )
-                .ok();
-            }
-        }
         Ok(revset::optimize(expression))
     }
 
@@ -1293,12 +1227,9 @@ Set which revision the branch points to with `jj branch set {branch_name} -r <RE
                 .get_string("revsets.short-prefixes")
                 .unwrap_or_else(|_| self.settings.default_revset());
             if !revset_string.is_empty() {
-                let disambiguation_revset =
-                    self.parse_revset(&revset_string, None).map_err(|err| {
-                        CommandError::ConfigError(format!(
-                            "Invalid `revsets.short-prefixes`: {err}"
-                        ))
-                    })?;
+                let disambiguation_revset = self.parse_revset(&revset_string).map_err(|err| {
+                    CommandError::ConfigError(format!("Invalid `revsets.short-prefixes`: {err}"))
+                })?;
                 context = context.disambiguate_within(disambiguation_revset);
             }
             Ok(context)
@@ -1373,7 +1304,7 @@ Set which revision the branch points to with `jj branch set {branch_name} -r <RE
                 r#"The `revset-aliases.immutable_heads()` function must be declared without arguments."#,
             ));
         }
-        let immutable_heads_revset = self.parse_revset(immutable_heads_str, None)?;
+        let immutable_heads_revset = self.parse_revset(immutable_heads_str)?;
         let immutable_revset = immutable_heads_revset
             .ancestors()
             .union(&RevsetExpression::commit(
@@ -2075,11 +2006,9 @@ pub fn parse_string_pattern(src: &str) -> Result<StringPattern, StringPatternPar
 /// that take multiple parents.
 pub fn resolve_all_revs(
     workspace_command: &WorkspaceCommandHelper,
-    ui: &mut Ui,
     revisions: &[RevisionArg],
 ) -> Result<IndexSet<Commit>, CommandError> {
-    let commits =
-        resolve_multiple_nonempty_revsets_default_single(workspace_command, ui, revisions)?;
+    let commits = resolve_multiple_nonempty_revsets_default_single(workspace_command, revisions)?;
     let root_commit_id = workspace_command.repo().store().root_commit_id();
     if commits.len() >= 2 && commits.iter().any(|c| c.id() == root_commit_id) {
         Err(user_error("Cannot merge with root revision"))
@@ -2118,11 +2047,10 @@ fn load_revset_aliases(
 pub fn resolve_multiple_nonempty_revsets(
     revision_args: &[RevisionArg],
     workspace_command: &WorkspaceCommandHelper,
-    ui: &mut Ui,
 ) -> Result<IndexSet<Commit>, CommandError> {
     let mut acc = IndexSet::new();
     for revset in revision_args {
-        let revisions = workspace_command.resolve_revset(revset, ui)?;
+        let revisions = workspace_command.resolve_revset(revset)?;
         workspace_command.check_non_empty(&revisions)?;
         acc.extend(revisions);
     }
@@ -2131,12 +2059,11 @@ pub fn resolve_multiple_nonempty_revsets(
 
 pub fn resolve_multiple_nonempty_revsets_default_single(
     workspace_command: &WorkspaceCommandHelper,
-    ui: &mut Ui,
     revisions: &[RevisionArg],
 ) -> Result<IndexSet<Commit>, CommandError> {
     let mut all_commits = IndexSet::new();
     for revision_str in revisions {
-        let commits = workspace_command.resolve_revset_default_single(revision_str, ui)?;
+        let commits = workspace_command.resolve_revset_default_single(revision_str)?;
         workspace_command.check_non_empty(&commits)?;
         for commit in commits {
             let commit_hash = short_commit_hash(commit.id());
diff --git a/cli/src/commands/abandon.rs b/cli/src/commands/abandon.rs
index 7ff0fa517a..2b3f8ab512 100644
--- a/cli/src/commands/abandon.rs
+++ b/cli/src/commands/abandon.rs
@@ -47,7 +47,7 @@ pub(crate) fn cmd_abandon(
     args: &AbandonArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let to_abandon = resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command, ui)?;
+    let to_abandon = resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command)?;
     workspace_command.check_rewritable(to_abandon.iter())?;
     let mut tx = workspace_command.start_transaction();
     for commit in &to_abandon {
diff --git a/cli/src/commands/backout.rs b/cli/src/commands/backout.rs
index d8de613970..abfd009b1c 100644
--- a/cli/src/commands/backout.rs
+++ b/cli/src/commands/backout.rs
@@ -39,10 +39,10 @@ pub(crate) fn cmd_backout(
     args: &BackoutArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let commit_to_back_out = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit_to_back_out = workspace_command.resolve_single_rev(&args.revision)?;
     let mut parents = vec![];
     for revision_str in &args.destination {
-        let destination = workspace_command.resolve_single_rev(revision_str, ui)?;
+        let destination = workspace_command.resolve_single_rev(revision_str)?;
         parents.push(destination);
     }
     let mut tx = workspace_command.start_transaction();
diff --git a/cli/src/commands/bench.rs b/cli/src/commands/bench.rs
index b8fef0a34d..49b3c6ab7e 100644
--- a/cli/src/commands/bench.rs
+++ b/cli/src/commands/bench.rs
@@ -132,8 +132,8 @@ pub(crate) fn cmd_bench(
     match subcommand {
         BenchCommand::CommonAncestors(args) => {
             let workspace_command = command.workspace_helper(ui)?;
-            let commit1 = workspace_command.resolve_single_rev(&args.revision1, ui)?;
-            let commit2 = workspace_command.resolve_single_rev(&args.revision2, ui)?;
+            let commit1 = workspace_command.resolve_single_rev(&args.revision1)?;
+            let commit2 = workspace_command.resolve_single_rev(&args.revision2)?;
             let index = workspace_command.repo().index();
             let routine =
                 || index.common_ancestors(&[commit1.id().clone()], &[commit2.id().clone()]);
@@ -146,8 +146,8 @@ pub(crate) fn cmd_bench(
         }
         BenchCommand::IsAncestor(args) => {
             let workspace_command = command.workspace_helper(ui)?;
-            let ancestor_commit = workspace_command.resolve_single_rev(&args.ancestor, ui)?;
-            let descendant_commit = workspace_command.resolve_single_rev(&args.descendant, ui)?;
+            let ancestor_commit = workspace_command.resolve_single_rev(&args.ancestor)?;
+            let descendant_commit = workspace_command.resolve_single_rev(&args.descendant)?;
             let index = workspace_command.repo().index();
             let routine = || index.is_ancestor(ancestor_commit.id(), descendant_commit.id());
             run_bench(
@@ -201,7 +201,7 @@ fn bench_revset<M: Measurement>(
     revset: &str,
 ) -> Result<(), CommandError> {
     writeln!(ui.stderr(), "----------Testing revset: {revset}----------")?;
-    let expression = workspace_command.parse_revset(revset, Some(ui))?;
+    let expression = workspace_command.parse_revset(revset)?;
     // Time both evaluation and iteration.
     let routine = |workspace_command: &WorkspaceCommandHelper, expression| {
         workspace_command
diff --git a/cli/src/commands/branch.rs b/cli/src/commands/branch.rs
index 444d52e863..570da5d78a 100644
--- a/cli/src/commands/branch.rs
+++ b/cli/src/commands/branch.rs
@@ -234,7 +234,7 @@ fn cmd_branch_create(
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
     let target_commit =
-        workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"), ui)?;
+        workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"))?;
     let view = workspace_command.repo().view();
     let branch_names = &args.names;
     if let Some(branch_name) = branch_names
@@ -333,7 +333,7 @@ fn cmd_branch_set(
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
     let target_commit =
-        workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"), ui)?;
+        workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"))?;
     let repo = workspace_command.repo().as_ref();
     let is_fast_forward = |old_target: &RefTarget| {
         // Strictly speaking, "all" old targets should be ancestors, but we allow
@@ -614,7 +614,7 @@ fn cmd_branch_list(
             let filter_expressions: Vec<_> = args
                 .revisions
                 .iter()
-                .map(|revision_str| workspace_command.parse_revset(revision_str, Some(ui)))
+                .map(|revision_str| workspace_command.parse_revset(revision_str))
                 .try_collect()?;
             let filter_expression = RevsetExpression::union_all(&filter_expressions);
             // Intersects with the set of local branch targets to minimize the lookup space.
diff --git a/cli/src/commands/cat.rs b/cli/src/commands/cat.rs
index b10fa5882a..840b6960f5 100644
--- a/cli/src/commands/cat.rs
+++ b/cli/src/commands/cat.rs
@@ -40,7 +40,7 @@ pub(crate) fn cmd_cat(
     args: &CatArgs,
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     let tree = commit.tree()?;
     let path = workspace_command.parse_file_path(&args.path)?;
     let repo = workspace_command.repo();
diff --git a/cli/src/commands/checkout.rs b/cli/src/commands/checkout.rs
index 667c5d41ef..7d446faedc 100644
--- a/cli/src/commands/checkout.rs
+++ b/cli/src/commands/checkout.rs
@@ -50,7 +50,7 @@ pub(crate) fn cmd_checkout(
         "warning: `jj checkout` will be removed in a future version, and this will be a hard error"
     )?;
     let mut workspace_command = command.workspace_helper(ui)?;
-    let target = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let target = workspace_command.resolve_single_rev(&args.revision)?;
     let mut tx = workspace_command.start_transaction();
     let commit_builder = tx
         .mut_repo()
diff --git a/cli/src/commands/chmod.rs b/cli/src/commands/chmod.rs
index 955de020e2..6c91a427fe 100644
--- a/cli/src/commands/chmod.rs
+++ b/cli/src/commands/chmod.rs
@@ -64,7 +64,7 @@ pub(crate) fn cmd_chmod(
         .iter()
         .map(|path| workspace_command.parse_file_path(path))
         .try_collect()?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&commit])?;
 
     let mut tx = workspace_command.start_transaction();
diff --git a/cli/src/commands/debug.rs b/cli/src/commands/debug.rs
index d2b670ff2a..f458b17f18 100644
--- a/cli/src/commands/debug.rs
+++ b/cli/src/commands/debug.rs
@@ -291,7 +291,7 @@ fn cmd_debug_tree(
     args: &DebugTreeArgs,
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     let tree = commit.tree()?;
     let matcher = workspace_command.matcher_from_values(&args.paths)?;
     for (path, value) in tree.entries_matching(matcher.as_ref()) {
diff --git a/cli/src/commands/describe.rs b/cli/src/commands/describe.rs
index a59da7c089..c6d15eb16b 100644
--- a/cli/src/commands/describe.rs
+++ b/cli/src/commands/describe.rs
@@ -64,7 +64,7 @@ pub(crate) fn cmd_describe(
     args: &DescribeArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&commit])?;
     let description = if args.stdin {
         let mut buffer = String::new();
diff --git a/cli/src/commands/diff.rs b/cli/src/commands/diff.rs
index f0d0a83ce1..1a1706e426 100644
--- a/cli/src/commands/diff.rs
+++ b/cli/src/commands/diff.rs
@@ -52,13 +52,13 @@ pub(crate) fn cmd_diff(
     let from_tree;
     let to_tree;
     if args.from.is_some() || args.to.is_some() {
-        let from = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"), ui)?;
+        let from = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?;
         from_tree = from.tree()?;
-        let to = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"), ui)?;
+        let to = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;
         to_tree = to.tree()?;
     } else {
         let commit =
-            workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"), ui)?;
+            workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"))?;
         let parents = commit.parents();
         from_tree = merge_commit_trees(workspace_command.repo().as_ref(), &parents)?;
         to_tree = commit.tree()?
diff --git a/cli/src/commands/diffedit.rs b/cli/src/commands/diffedit.rs
index 45acf1a488..d077237fd9 100644
--- a/cli/src/commands/diffedit.rs
+++ b/cli/src/commands/diffedit.rs
@@ -62,17 +62,16 @@ pub(crate) fn cmd_diffedit(
 
     let (target_commit, base_commits, diff_description);
     if args.from.is_some() || args.to.is_some() {
-        target_commit =
-            workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"), ui)?;
+        target_commit = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;
         base_commits =
-            vec![workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"), ui)?];
+            vec![workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?];
         diff_description = format!(
             "The diff initially shows the commit's changes relative to:\n{}",
             workspace_command.format_commit_summary(&base_commits[0])
         );
     } else {
         target_commit =
-            workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"), ui)?;
+            workspace_command.resolve_single_rev(args.revision.as_deref().unwrap_or("@"))?;
         base_commits = target_commit.parents();
         diff_description = "The diff initially shows the commit's changes.".to_string();
     };
diff --git a/cli/src/commands/duplicate.rs b/cli/src/commands/duplicate.rs
index 6dafe44973..703bdd9597 100644
--- a/cli/src/commands/duplicate.rs
+++ b/cli/src/commands/duplicate.rs
@@ -44,7 +44,7 @@ pub(crate) fn cmd_duplicate(
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
     let to_duplicate: IndexSet<Commit> =
-        resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command, ui)?;
+        resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command)?;
     if to_duplicate
         .iter()
         .any(|commit| commit.id() == workspace_command.repo().store().root_commit_id())
diff --git a/cli/src/commands/edit.rs b/cli/src/commands/edit.rs
index 2d3d92b833..f48aecb048 100644
--- a/cli/src/commands/edit.rs
+++ b/cli/src/commands/edit.rs
@@ -40,7 +40,7 @@ pub(crate) fn cmd_edit(
     args: &EditArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let new_commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let new_commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&new_commit])?;
     if workspace_command.get_wc_commit_id() == Some(new_commit.id()) {
         writeln!(ui.stderr(), "Already editing that commit")?;
diff --git a/cli/src/commands/files.rs b/cli/src/commands/files.rs
index a714a39cf2..bbc3df4b8f 100644
--- a/cli/src/commands/files.rs
+++ b/cli/src/commands/files.rs
@@ -37,7 +37,7 @@ pub(crate) fn cmd_files(
     args: &FilesArgs,
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     let tree = commit.tree()?;
     let matcher = workspace_command.matcher_from_values(&args.paths)?;
     ui.request_pager();
diff --git a/cli/src/commands/git.rs b/cli/src/commands/git.rs
index 8831721512..3c6990ea43 100644
--- a/cli/src/commands/git.rs
+++ b/cli/src/commands/git.rs
@@ -775,7 +775,7 @@ fn cmd_git_push(
     let change_commits: Vec<_> = args
         .change
         .iter()
-        .map(|change_str| workspace_command.resolve_single_rev(change_str, ui))
+        .map(|change_str| workspace_command.resolve_single_rev(change_str))
         .try_collect()?;
 
     let mut tx = workspace_command.start_transaction();
@@ -845,7 +845,7 @@ fn cmd_git_push(
                 let short_change_id = short_change_hash(commit.change_id());
                 if tx
                     .base_workspace_helper()
-                    .resolve_single_rev(&short_change_id, ui)
+                    .resolve_single_rev(&short_change_id)
                     .is_ok()
                 {
                     // Short change ID is not ambiguous, so update the branch name to use it.
@@ -899,7 +899,7 @@ fn cmd_git_push(
         } else {
             // TODO: Narrow search space to local target commits.
             // TODO: Remove redundant CommitId -> Commit -> CommitId round trip.
-            resolve_multiple_nonempty_revsets(&args.revisions, tx.base_workspace_helper(), ui)?
+            resolve_multiple_nonempty_revsets(&args.revisions, tx.base_workspace_helper())?
                 .iter()
                 .map(|commit| commit.id().clone())
                 .collect()
@@ -1215,7 +1215,7 @@ fn cmd_git_submodule_print_gitmodules(
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
     let repo = workspace_command.repo();
-    let commit = workspace_command.resolve_single_rev(&args.revisions, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revisions)?;
     let tree = commit.tree()?;
     let gitmodules_path = RepoPath::from_internal_string(".gitmodules");
     let mut gitmodules_file = match tree.path_value(gitmodules_path).into_resolved() {
diff --git a/cli/src/commands/interdiff.rs b/cli/src/commands/interdiff.rs
index 74f0403dd2..b83f5f3b69 100644
--- a/cli/src/commands/interdiff.rs
+++ b/cli/src/commands/interdiff.rs
@@ -48,8 +48,8 @@ pub(crate) fn cmd_interdiff(
     args: &InterdiffArgs,
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let from = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"), ui)?;
-    let to = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"), ui)?;
+    let from = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?;
+    let to = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;
 
     let from_tree = rebase_to_dest_parent(workspace_command.repo().as_ref(), &from, &to)?;
     let to_tree = to.tree()?;
diff --git a/cli/src/commands/log.rs b/cli/src/commands/log.rs
index 9324cfd667..864b9b3c13 100644
--- a/cli/src/commands/log.rs
+++ b/cli/src/commands/log.rs
@@ -70,12 +70,12 @@ pub(crate) fn cmd_log(
 
     let revset_expression = {
         let mut expression = if args.revisions.is_empty() {
-            workspace_command.parse_revset(&command.settings().default_revset(), Some(ui))?
+            workspace_command.parse_revset(&command.settings().default_revset())?
         } else {
             let expressions: Vec<_> = args
                 .revisions
                 .iter()
-                .map(|revision_str| workspace_command.parse_revset(revision_str, Some(ui)))
+                .map(|revision_str| workspace_command.parse_revset(revision_str))
                 .try_collect()?;
             RevsetExpression::union_all(&expressions)
         };
diff --git a/cli/src/commands/move.rs b/cli/src/commands/move.rs
index a2cf1de5ae..59e18bb610 100644
--- a/cli/src/commands/move.rs
+++ b/cli/src/commands/move.rs
@@ -58,9 +58,9 @@ pub(crate) fn cmd_move(
     args: &MoveArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let source = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"), ui)?;
+    let source = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?;
     let mut destination =
-        workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"), ui)?;
+        workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;
     if source.id() == destination.id() {
         return Err(user_error("Source and destination cannot be the same."));
     }
diff --git a/cli/src/commands/new.rs b/cli/src/commands/new.rs
index 6435bb2f6d..e17657996b 100644
--- a/cli/src/commands/new.rs
+++ b/cli/src/commands/new.rs
@@ -98,7 +98,7 @@ Please use `jj new 'all:x|y'` instead of `jj new --allow-large-revsets x y`.",
         !args.revisions.is_empty(),
         "expected a non-empty list from clap"
     );
-    let target_commits = cli_util::resolve_all_revs(&workspace_command, ui, &args.revisions)?
+    let target_commits = cli_util::resolve_all_revs(&workspace_command, &args.revisions)?
         .into_iter()
         .collect_vec();
     let target_ids = target_commits.iter().map(|c| c.id().clone()).collect_vec();
diff --git a/cli/src/commands/obslog.rs b/cli/src/commands/obslog.rs
index 29e52f99e2..fccd1131f6 100644
--- a/cli/src/commands/obslog.rs
+++ b/cli/src/commands/obslog.rs
@@ -63,7 +63,7 @@ pub(crate) fn cmd_obslog(
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
 
-    let start_commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let start_commit = workspace_command.resolve_single_rev(&args.revision)?;
     let wc_commit_id = workspace_command.get_wc_commit_id();
 
     let diff_formats =
diff --git a/cli/src/commands/rebase.rs b/cli/src/commands/rebase.rs
index 5586ae8f5e..dabda33989 100644
--- a/cli/src/commands/rebase.rs
+++ b/cli/src/commands/rebase.rs
@@ -186,7 +186,7 @@ Please use `jj rebase -d 'all:x|y'` instead of `jj rebase --allow-large-revsets
         },
     };
     let mut workspace_command = command.workspace_helper(ui)?;
-    let new_parents = cli_util::resolve_all_revs(&workspace_command, ui, &args.destination)?
+    let new_parents = cli_util::resolve_all_revs(&workspace_command, &args.destination)?
         .into_iter()
         .collect_vec();
     if let Some(rev_str) = &args.revision {
@@ -214,7 +214,7 @@ Please use `jj rebase -d 'all:x|y'` instead of `jj rebase --allow-large-revsets
         )?;
     } else if !args.source.is_empty() {
         let source_commits =
-            resolve_multiple_nonempty_revsets_default_single(&workspace_command, ui, &args.source)?;
+            resolve_multiple_nonempty_revsets_default_single(&workspace_command, &args.source)?;
         rebase_descendants(
             ui,
             command.settings(),
@@ -225,9 +225,9 @@ Please use `jj rebase -d 'all:x|y'` instead of `jj rebase --allow-large-revsets
         )?;
     } else {
         let branch_commits = if args.branch.is_empty() {
-            IndexSet::from([workspace_command.resolve_single_rev("@", ui)?])
+            IndexSet::from([workspace_command.resolve_single_rev("@")?])
         } else {
-            resolve_multiple_nonempty_revsets_default_single(&workspace_command, ui, &args.branch)?
+            resolve_multiple_nonempty_revsets_default_single(&workspace_command, &args.branch)?
         };
         rebase_branch(
             ui,
@@ -323,7 +323,7 @@ fn rebase_revision(
     new_parents: &[Commit],
     rev_str: &str,
 ) -> Result<(), CommandError> {
-    let old_commit = workspace_command.resolve_single_rev(rev_str, ui)?;
+    let old_commit = workspace_command.resolve_single_rev(rev_str)?;
     workspace_command.check_rewritable([&old_commit])?;
     if new_parents.contains(&old_commit) {
         return Err(user_error(format!(
diff --git a/cli/src/commands/resolve.rs b/cli/src/commands/resolve.rs
index bce39199eb..9f4260a515 100644
--- a/cli/src/commands/resolve.rs
+++ b/cli/src/commands/resolve.rs
@@ -70,7 +70,7 @@ pub(crate) fn cmd_resolve(
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
     let matcher = workspace_command.matcher_from_values(&args.paths)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     let tree = commit.tree()?;
     let conflicts = tree
         .conflicts()
diff --git a/cli/src/commands/restore.rs b/cli/src/commands/restore.rs
index e54fead8f3..f9d11bdb6f 100644
--- a/cli/src/commands/restore.rs
+++ b/cli/src/commands/restore.rs
@@ -85,13 +85,13 @@ pub(crate) fn cmd_restore(
         ));
     }
     if args.from.is_some() || args.to.is_some() {
-        to_commit = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"), ui)?;
+        to_commit = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;
         from_tree = workspace_command
-            .resolve_single_rev(args.from.as_deref().unwrap_or("@"), ui)?
+            .resolve_single_rev(args.from.as_deref().unwrap_or("@"))?
             .tree()?;
     } else {
         to_commit =
-            workspace_command.resolve_single_rev(args.changes_in.as_deref().unwrap_or("@"), ui)?;
+            workspace_command.resolve_single_rev(args.changes_in.as_deref().unwrap_or("@"))?;
         from_tree = merge_commit_trees(workspace_command.repo().as_ref(), &to_commit.parents())?;
     }
     workspace_command.check_rewritable([&to_commit])?;
diff --git a/cli/src/commands/run.rs b/cli/src/commands/run.rs
index c473b69e27..82f28c5aac 100644
--- a/cli/src/commands/run.rs
+++ b/cli/src/commands/run.rs
@@ -49,8 +49,7 @@ pub struct RunArgs {
 
 pub fn cmd_run(ui: &mut Ui, command: &CommandHelper, args: &RunArgs) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let _resolved_commits =
-        resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command, ui)?;
+    let _resolved_commits = resolve_multiple_nonempty_revsets(&args.revisions, &workspace_command)?;
     // Jobs are resolved in this order:
     // 1. Commandline argument iff > 0.
     // 2. the amount of cores available.
diff --git a/cli/src/commands/show.rs b/cli/src/commands/show.rs
index 4529654ce6..082d8c64f0 100644
--- a/cli/src/commands/show.rs
+++ b/cli/src/commands/show.rs
@@ -44,7 +44,7 @@ pub(crate) fn cmd_show(
     args: &ShowArgs,
 ) -> Result<(), CommandError> {
     let workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     let template_string = match &args.template {
         Some(value) => value.to_string(),
         None => command.settings().config().get_string("templates.show")?,
diff --git a/cli/src/commands/split.rs b/cli/src/commands/split.rs
index 2f5ff9f786..7b1563a761 100644
--- a/cli/src/commands/split.rs
+++ b/cli/src/commands/split.rs
@@ -55,7 +55,7 @@ pub(crate) fn cmd_split(
     args: &SplitArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&commit])?;
     let matcher = workspace_command.matcher_from_values(&args.paths)?;
     let mut tx = workspace_command.start_transaction();
diff --git a/cli/src/commands/squash.rs b/cli/src/commands/squash.rs
index c470745fb5..c91624ed8f 100644
--- a/cli/src/commands/squash.rs
+++ b/cli/src/commands/squash.rs
@@ -54,7 +54,7 @@ pub(crate) fn cmd_squash(
     args: &SquashArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&commit])?;
     let parents = commit.parents();
     if parents.len() != 1 {
diff --git a/cli/src/commands/unsquash.rs b/cli/src/commands/unsquash.rs
index fe6d929d5b..113ef3ba8d 100644
--- a/cli/src/commands/unsquash.rs
+++ b/cli/src/commands/unsquash.rs
@@ -50,7 +50,7 @@ pub(crate) fn cmd_unsquash(
     args: &UnsquashArgs,
 ) -> Result<(), CommandError> {
     let mut workspace_command = command.workspace_helper(ui)?;
-    let commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
+    let commit = workspace_command.resolve_single_rev(&args.revision)?;
     workspace_command.check_rewritable([&commit])?;
     let parents = commit.parents();
     if parents.len() != 1 {
diff --git a/cli/src/commands/workspace.rs b/cli/src/commands/workspace.rs
index 82fd97cc1f..5158ab8241 100644
--- a/cli/src/commands/workspace.rs
+++ b/cli/src/commands/workspace.rs
@@ -185,7 +185,7 @@ fn cmd_workspace_add(
             vec![tx.repo().store().root_commit()]
         }
     } else {
-        cli_util::resolve_all_revs(&old_workspace_command, ui, &args.revision)?
+        cli_util::resolve_all_revs(&old_workspace_command, &args.revision)?
             .into_iter()
             .collect_vec()
     };