diff --git a/src/builtins/abbr.rs b/src/builtins/abbr.rs
index 7951b6442..2fdf86c1d 100644
--- a/src/builtins/abbr.rs
+++ b/src/builtins/abbr.rs
@@ -2,8 +2,6 @@
 use crate::abbrs::{self, Abbreviation, Position};
 use crate::common::{escape, escape_string, valid_func_name, EscapeStringStyle};
 use crate::env::{EnvMode, EnvStackSetResult};
-use crate::io::IoStreams;
-use crate::parser::Parser;
 use crate::re::{regex_make_anchored, to_boxed_chars};
 use pcre2::utf32::{Regex, RegexBuilder};
 
diff --git a/src/builtins/builtin.rs b/src/builtins/builtin.rs
index 722426b2c..7dfe55223 100644
--- a/src/builtins/builtin.rs
+++ b/src/builtins/builtin.rs
@@ -1,5 +1,4 @@
 use super::prelude::*;
-use crate::builtins::shared::{builtin_exists, builtin_get_names};
 
 #[derive(Default)]
 struct builtin_cmd_opts_t {
diff --git a/src/builtins/cd.rs b/src/builtins/cd.rs
index 059320816..0cd759886 100644
--- a/src/builtins/cd.rs
+++ b/src/builtins/cd.rs
@@ -7,7 +7,7 @@
     path::path_apply_cdpath,
     wutil::{normalize_path, wperror, wreadlink},
 };
-use errno::{self, Errno};
+use errno::Errno;
 use libc::{fchdir, EACCES, ELOOP, ENOENT, ENOTDIR, EPERM};
 use nix::{fcntl::OFlag, sys::stat::Mode};
 use std::{os::fd::AsRawFd, sync::Arc};
diff --git a/src/builtins/commandline.rs b/src/builtins/commandline.rs
index c96b3d2e7..df098c8f4 100644
--- a/src/builtins/commandline.rs
+++ b/src/builtins/commandline.rs
@@ -18,7 +18,6 @@
 use crate::tokenizer::{TokenType, Tokenizer};
 use crate::wchar::prelude::*;
 use crate::wcstringutil::join_strings;
-use crate::wgetopt::{wgetopter_t, wopt, woption, woption_argument_t};
 use std::ops::Range;
 
 /// Which part of the comandbuffer are we operating on.
diff --git a/src/builtins/disown.rs b/src/builtins/disown.rs
index 3aa2a9d68..2e0a9a1dc 100644
--- a/src/builtins/disown.rs
+++ b/src/builtins/disown.rs
@@ -10,7 +10,7 @@
     wutil::{fish_wcstoi, wgettext_fmt},
 };
 use libc::c_int;
-use libc::{self, SIGCONT};
+use libc::SIGCONT;
 
 /// Helper for builtin_disown.
 fn disown_job(cmd: &wstr, streams: &mut IoStreams, j: &Job) {
diff --git a/src/builtins/function.rs b/src/builtins/function.rs
index 77ce85d78..885fb8b29 100644
--- a/src/builtins/function.rs
+++ b/src/builtins/function.rs
@@ -6,10 +6,8 @@
 use crate::event::{self, EventDescription, EventHandler};
 use crate::function;
 use crate::global_safety::RelaxedAtomicBool;
-use crate::io::IoStreams;
 use crate::nix::getpid;
 use crate::parse_tree::NodeRef;
-use crate::parser::Parser;
 use crate::parser_keywords::parser_keywords_is_reserved;
 use crate::signal::Signal;
 use std::sync::Arc;
diff --git a/src/builtins/functions.rs b/src/builtins/functions.rs
index e315945a7..543359a7f 100644
--- a/src/builtins/functions.rs
+++ b/src/builtins/functions.rs
@@ -8,7 +8,6 @@
 use crate::function;
 use crate::highlight::colorize;
 use crate::highlight::highlight_shell;
-use crate::parser::Parser;
 use crate::parser_keywords::parser_keywords_is_reserved;
 use crate::termsize::termsize_last;
 
diff --git a/src/builtins/jobs.rs b/src/builtins/jobs.rs
index 5c99025ca..fcef1b79d 100644
--- a/src/builtins/jobs.rs
+++ b/src/builtins/jobs.rs
@@ -18,7 +18,6 @@
     wutil::{fish_wcstoi, wgettext_fmt},
 };
 use libc::c_int;
-use libc::{self};
 use printf_compat::sprintf;
 use std::num::NonZeroU32;
 use std::sync::atomic::Ordering;
diff --git a/src/builtins/path.rs b/src/builtins/path.rs
index f36182ccd..f87a9213d 100644
--- a/src/builtins/path.rs
+++ b/src/builtins/path.rs
@@ -16,8 +16,6 @@
 use bitflags::bitflags;
 use libc::{mode_t, F_OK, PATH_MAX, R_OK, S_ISGID, S_ISUID, W_OK, X_OK};
 
-use super::shared::BuiltinCmd;
-
 macro_rules! path_error {
     (
     $streams:expr,
diff --git a/src/builtins/realpath.rs b/src/builtins/realpath.rs
index 5605ae9fc..69257de62 100644
--- a/src/builtins/realpath.rs
+++ b/src/builtins/realpath.rs
@@ -4,7 +4,6 @@
 
 use super::prelude::*;
 use crate::env::Environment;
-use crate::io::IoStreams;
 use crate::{
     path::path_apply_working_directory,
     wutil::{normalize_path, wrealpath},
diff --git a/src/builtins/set.rs b/src/builtins/set.rs
index 0e48daf7d..c747972fb 100644
--- a/src/builtins/set.rs
+++ b/src/builtins/set.rs
@@ -15,7 +15,6 @@
 use crate::expand::expand_escape_variable;
 use crate::history::history_session_id;
 use crate::history::History;
-use crate::wchar_ext::WExt;
 use crate::{
     env::{EnvMode, EnvVar, Environment},
     wutil::wcstoi::wcstoi_partial,
diff --git a/src/builtins/shared.rs b/src/builtins/shared.rs
index 348441f16..a265d2438 100644
--- a/src/builtins/shared.rs
+++ b/src/builtins/shared.rs
@@ -7,12 +7,10 @@
 use crate::parser::{Block, BlockType, LoopStatus};
 use crate::proc::{no_exec, ProcStatus};
 use crate::reader::reader_read;
-use crate::wchar::{wstr, WString, L};
-use crate::wgetopt::{wgetopter_t, wopt, woption, woption_argument_t};
+use crate::wchar::L;
 use errno::errno;
-use libc::{c_int, STDERR_FILENO, STDIN_FILENO, STDOUT_FILENO};
+use libc::{STDERR_FILENO, STDIN_FILENO, STDOUT_FILENO};
 
-use std::borrow::Cow;
 use std::fs::File;
 use std::io::{BufRead, BufReader, Read};
 use std::os::fd::FromRawFd;
diff --git a/src/builtins/source.rs b/src/builtins/source.rs
index 8f37674ec..f521e21d8 100644
--- a/src/builtins/source.rs
+++ b/src/builtins/source.rs
@@ -7,7 +7,7 @@
     parser::Block,
     reader::reader_read,
 };
-use libc::{c_int, S_IFMT, S_IFREG};
+use libc::{S_IFMT, S_IFREG};
 use nix::{fcntl::OFlag, sys::stat::Mode};
 
 use super::prelude::*;
diff --git a/src/builtins/string/pad.rs b/src/builtins/string/pad.rs
index a7283043d..35a04a056 100644
--- a/src/builtins/string/pad.rs
+++ b/src/builtins/string/pad.rs
@@ -1,8 +1,5 @@
-use std::borrow::Cow;
-
 use super::*;
 use crate::fallback::fish_wcwidth;
-use crate::wutil::fish_wcstol;
 
 pub struct Pad {
     char_to_pad: char,
diff --git a/src/builtins/string/repeat.rs b/src/builtins/string/repeat.rs
index 735834601..64698e1bf 100644
--- a/src/builtins/string/repeat.rs
+++ b/src/builtins/string/repeat.rs
@@ -1,5 +1,4 @@
 use super::*;
-use crate::wutil::fish_wcstol;
 
 #[derive(Default)]
 pub struct Repeat {
diff --git a/src/builtins/string/replace.rs b/src/builtins/string/replace.rs
index 175bdb1cd..9694a595d 100644
--- a/src/builtins/string/replace.rs
+++ b/src/builtins/string/replace.rs
@@ -1,5 +1,4 @@
 use pcre2::utf32::{Regex, RegexBuilder};
-use std::borrow::Cow;
 
 use super::*;
 use crate::future_feature_flags::{feature_test, FeatureFlag};
diff --git a/src/builtins/string/shorten.rs b/src/builtins/string/shorten.rs
index c6f130a7a..0b7bf7873 100644
--- a/src/builtins/string/shorten.rs
+++ b/src/builtins/string/shorten.rs
@@ -1,7 +1,6 @@
 use super::*;
 use crate::common::get_ellipsis_str;
 use crate::wcstringutil::split_string;
-use crate::wutil::fish_wcstol;
 
 pub struct Shorten<'args> {
     ellipsis: &'args wstr,
diff --git a/src/builtins/string/split.rs b/src/builtins/string/split.rs
index 99fe5c831..01501c447 100644
--- a/src/builtins/string/split.rs
+++ b/src/builtins/string/split.rs
@@ -2,7 +2,6 @@
 
 use super::*;
 use crate::wcstringutil::split_about;
-use crate::wutil::{fish_wcstoi, fish_wcstol};
 
 pub struct Split<'args> {
     quiet: bool,
diff --git a/src/builtins/string/sub.rs b/src/builtins/string/sub.rs
index ad6defa2e..ce41b8f95 100644
--- a/src/builtins/string/sub.rs
+++ b/src/builtins/string/sub.rs
@@ -1,7 +1,6 @@
 use std::num::NonZeroI64;
 
 use super::*;
-use crate::wutil::fish_wcstol;
 
 #[derive(Default)]
 pub struct Sub {
diff --git a/src/builtins/type.rs b/src/builtins/type.rs
index 928c8eb17..7552ba6aa 100644
--- a/src/builtins/type.rs
+++ b/src/builtins/type.rs
@@ -1,5 +1,4 @@
 use super::prelude::*;
-use crate::builtins::shared::builtin_exists;
 use crate::common::str2wcstring;
 use crate::function;
 use crate::highlight::{colorize, highlight_shell};
diff --git a/src/env_universal_common.rs b/src/env_universal_common.rs
index 45762420d..6777bd64b 100644
--- a/src/env_universal_common.rs
+++ b/src/env_universal_common.rs
@@ -12,7 +12,6 @@
 use crate::path::path_get_config;
 use crate::path::{path_get_config_remoteness, DirRemoteness};
 use crate::wchar::prelude::*;
-use crate::wchar::{wstr, WString};
 use crate::wcstringutil::{join_strings, split_string, string_suffixes_string, LineIterator};
 use crate::wutil::{
     file_id_for_fd, file_id_for_path, file_id_for_path_narrow, wdirname, wrealpath, wrename, wstat,
diff --git a/src/fd_monitor.rs b/src/fd_monitor.rs
index 314a63665..2bfac02d2 100644
--- a/src/fd_monitor.rs
+++ b/src/fd_monitor.rs
@@ -10,7 +10,7 @@
 use crate::threads::assert_is_background_thread;
 use crate::wutil::perror;
 use errno::errno;
-use libc::{self, c_void, EAGAIN, EINTR, EWOULDBLOCK};
+use libc::{c_void, EAGAIN, EINTR, EWOULDBLOCK};
 
 #[cfg(not(HAVE_EVENTFD))]
 use crate::fds::{make_autoclose_pipes, make_fd_nonblocking};
diff --git a/src/fork_exec/spawn.rs b/src/fork_exec/spawn.rs
index 546a0b81a..fd4e931a5 100644
--- a/src/fork_exec/spawn.rs
+++ b/src/fork_exec/spawn.rs
@@ -5,8 +5,8 @@
 use crate::redirection::Dup2List;
 use crate::signal::get_signals_with_handlers;
 use crate::{exec::is_thompson_shell_script, libc::_PATH_BSHELL};
-use errno::{self, Errno};
-use libc::{self, c_char, posix_spawn_file_actions_t, posix_spawnattr_t};
+use errno::Errno;
+use libc::{c_char, posix_spawn_file_actions_t, posix_spawnattr_t};
 use std::ffi::{CStr, CString};
 use std::sync::atomic::Ordering;
 
diff --git a/src/function.rs b/src/function.rs
index c493d1057..8c9ba2696 100644
--- a/src/function.rs
+++ b/src/function.rs
@@ -13,7 +13,7 @@
 use crate::parser::Parser;
 use crate::parser_keywords::parser_keywords_is_reserved;
 use crate::wchar::prelude::*;
-use crate::wutil::{dir_iter::DirIter, gettext::wgettext_str, sprintf};
+use crate::wutil::{dir_iter::DirIter, sprintf};
 use once_cell::sync::Lazy;
 use std::collections::{HashMap, HashSet};
 use std::sync::{Arc, Mutex};
diff --git a/src/history.rs b/src/history.rs
index 65699332c..e21de7dfe 100644
--- a/src/history.rs
+++ b/src/history.rs
@@ -59,7 +59,6 @@
     threads::{assert_is_background_thread, iothread_perform},
     util::find_subslice,
     wchar::prelude::*,
-    wchar_ext::WExt,
     wcstringutil::subsequence_in_string,
     wildcard::{wildcard_match, ANY_STRING},
     wutil::{
diff --git a/src/wildcard.rs b/src/wildcard.rs
index be4db457c..f814ba973 100644
--- a/src/wildcard.rs
+++ b/src/wildcard.rs
@@ -447,10 +447,8 @@ mod expander {
 
     use crate::{
         common::scoped_push,
-        complete::CompleteFlags,
         path::append_path_component,
-        wcstringutil::string_fuzzy_match_string,
-        wutil::{dir_iter::DirIter, normalize_path, waccess, FileId},
+        wutil::{dir_iter::DirIter, normalize_path, FileId},
     };
 
     use super::*;
diff --git a/src/wutil/wcstoi.rs b/src/wutil/wcstoi.rs
index c257c0027..15daf2594 100644
--- a/src/wutil/wcstoi.rs
+++ b/src/wutil/wcstoi.rs
@@ -3,7 +3,6 @@
 use num_traits::{NumCast, PrimInt};
 use std::default::Default;
 use std::iter::{Fuse, Peekable};
-use std::result::Result;
 
 struct ParseResult {
     result: u64,