all: Remove unused code

Using x/tools/cmd/deadcode

30 files changed, 32 insertions, 405 deletions

diff --git a/.github/workflows/test-dart-sass-v1.yml b/.github/workflows/test-dart-sass-v1.yml
index d3556a647..fefb0e989 100644
--- a/.github/workflows/test-dart-sass-v1.yml
+++ b/.github/workflows/test-dart-sass-v1.yml
@@ -30,7 +30,7 @@ jobs:
           **/go.sum
           **/go.mod
     - name: Install Ruby
-      uses: ruby/setup-ruby@ee2113536afb7f793eed4ce60e8d3b26db912da4
+      uses: ruby/setup-ruby@036ef458ddccddb148a2b9fb67e95a22fdbf728b
       with:
         ruby-version: '2.7' 
         bundler-cache: true #
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c7dba1f91..3a76b768c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
           **/go.sum
           **/go.mod
     - name: Install Ruby
-      uses: ruby/setup-ruby@ee2113536afb7f793eed4ce60e8d3b26db912da4
+      uses: ruby/setup-ruby@036ef458ddccddb148a2b9fb67e95a22fdbf728b
       with:
         ruby-version: '2.7'
         bundler-cache: true #
diff --git a/common/herrors/errors.go b/common/herrors/errors.go
index 598c50b32..8e62b2c99 100644
--- a/common/herrors/errors.go
+++ b/common/herrors/errors.go
@@ -15,14 +15,12 @@
 package herrors
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
 	"io"
 	"os"
 	"runtime"
 	"runtime/debug"
-	"strconv"
 )
 
 // PrintStackTrace prints the current stacktrace to w.
@@ -49,16 +47,6 @@ func Recover(args ...any) {
 	}
 }
 
-// GetGID the current goroutine id. Used only for debugging.
-func GetGID() uint64 {
-	b := make([]byte, 64)
-	b = b[:runtime.Stack(b, false)]
-	b = bytes.TrimPrefix(b, []byte("goroutine "))
-	b = b[:bytes.IndexByte(b, ' ')]
-	n, _ := strconv.ParseUint(string(b), 10, 64)
-	return n
-}
-
 // IsFeatureNotAvailableError returns true if the given error is or contains a FeatureNotAvailableError.
 func IsFeatureNotAvailableError(err error) bool {
 	return errors.Is(err, &FeatureNotAvailableError{})
diff --git a/config/configProvider.go b/config/configProvider.go
index 8e2ab0334..11099e407 100644
--- a/config/configProvider.go
+++ b/config/configProvider.go
@@ -95,9 +95,3 @@ func GetStringSlicePreserveString(cfg Provider, key string) []string {
 	sd := cfg.Get(key)
 	return types.ToStringSlicePreserveString(sd)
 }
-
-func setIfNotSet(cfg Provider, key string, value any) {
-	if !cfg.IsSet(key) {
-		cfg.Set(key, value)
-	}
-}
diff --git a/helpers/content.go b/helpers/content.go
index c0a6d8221..a3abb334d 100644
--- a/helpers/content.go
+++ b/helpers/content.go
@@ -266,24 +266,3 @@ func (c *ContentSpec) TrimShortHTML(input []byte) []byte {
 func isEndOfSentence(r rune) bool {
 	return r == '.' || r == '?' || r == '!' || r == '"' || r == '\n'
 }
-
-// Kept only for benchmark.
-func (c *ContentSpec) truncateWordsToWholeSentenceOld(content string) (string, bool) {
-	words := strings.Fields(content)
-
-	if c.Cfg.SummaryLength() >= len(words) {
-		return strings.Join(words, " "), false
-	}
-
-	for counter, word := range words[c.Cfg.SummaryLength():] {
-		if strings.HasSuffix(word, ".") ||
-			strings.HasSuffix(word, "?") ||
-			strings.HasSuffix(word, ".\"") ||
-			strings.HasSuffix(word, "!") {
-			upper := c.Cfg.SummaryLength() + counter + 1
-			return strings.Join(words[:upper], " "), (upper < len(words))
-		}
-	}
-
-	return strings.Join(words[:c.Cfg.SummaryLength()], " "), true
-}
diff --git a/helpers/emoji.go b/helpers/emoji.go
index a1617c48d..c103a5479 100644
--- a/helpers/emoji.go
+++ b/helpers/emoji.go
@@ -30,12 +30,6 @@ var (
 	emojiMaxSize   int
 )
 
-// Emoji returns the emoji given a key, e.g. ":smile:", nil if not found.
-func Emoji(key string) []byte {
-	emojiInit.Do(initEmoji)
-	return emojis[key]
-}
-
 // Emojify "emojifies" the input source.
 // Note that the input byte slice will be modified if needed.
 // See http://www.emoji-cheat-sheet.com/
diff --git a/helpers/general.go b/helpers/general.go
index 281414b2a..b16aec0b0 100644
--- a/helpers/general.go
+++ b/helpers/general.go
@@ -32,7 +32,6 @@ import (
 	"github.com/jdkato/prose/transform"
 
 	bp "github.com/gohugoio/hugo/bufferpool"
-	"github.com/spf13/pflag"
 )
 
 // FilePathSeparator as defined by os.Separator.
@@ -317,18 +316,6 @@ func IsWhitespace(r rune) bool {
 	return r == ' ' || r == '\t' || r == '\n' || r == '\r'
 }
 
-// NormalizeHugoFlags facilitates transitions of Hugo command-line flags,
-// e.g. --baseUrl to --baseURL, --uglyUrls to --uglyURLs
-func NormalizeHugoFlags(f *pflag.FlagSet, name string) pflag.NormalizedName {
-	switch name {
-	case "baseUrl":
-		name = "baseURL"
-	case "uglyUrls":
-		name = "uglyURLs"
-	}
-	return pflag.NormalizedName(name)
-}
-
 // PrintFs prints the given filesystem to the given writer starting from the given path.
 // This is useful for debugging.
 func PrintFs(fs afero.Fs, path string, w io.Writer) {
diff --git a/htesting/testdata_builder.go b/htesting/testdata_builder.go
deleted file mode 100644
index d7ba18521..000000000
--- a/htesting/testdata_builder.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2018 The Hugo Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package htesting
-
-import (
-	"path/filepath"
-	"testing"
-
-	"github.com/spf13/afero"
-)
-
-type testFile struct {
-	name    string
-	content string
-}
-
-type testdataBuilder struct {
-	t          testing.TB
-	fs         afero.Fs
-	workingDir string
-
-	files []testFile
-}
-
-func NewTestdataBuilder(fs afero.Fs, workingDir string, t testing.TB) *testdataBuilder {
-	workingDir = filepath.Clean(workingDir)
-	return &testdataBuilder{fs: fs, workingDir: workingDir, t: t}
-}
-
-func (b *testdataBuilder) Add(filename, content string) *testdataBuilder {
-	b.files = append(b.files, testFile{name: filename, content: content})
-	return b
-}
-
-func (b *testdataBuilder) Build() *testdataBuilder {
-	for _, f := range b.files {
-		if err := afero.WriteFile(b.fs, filepath.Join(b.workingDir, f.name), []byte(f.content), 0666); err != nil {
-			b.t.Fatalf("failed to add %q: %s", f.name, err)
-		}
-	}
-	return b
-}
-
-func (b testdataBuilder) WithWorkingDir(dir string) *testdataBuilder {
-	b.workingDir = filepath.Clean(dir)
-	b.files = make([]testFile, 0)
-	return &b
-}
diff --git a/hugofs/fileinfo.go b/hugofs/fileinfo.go
index c33997278..773352ea8 100644
--- a/hugofs/fileinfo.go
+++ b/hugofs/fileinfo.go
@@ -15,6 +15,7 @@
 package hugofs
 
 import (
+	"errors"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -28,8 +29,6 @@ import (
 	"github.com/gohugoio/hugo/hugofs/files"
 	"golang.org/x/text/unicode/norm"
 
-	"errors"
-
 	"github.com/gohugoio/hugo/common/hreflect"
 	"github.com/gohugoio/hugo/common/htime"
 
@@ -224,7 +223,8 @@ func newDirNameOnlyFileInfo(name string, meta *FileMeta, fileOpener func() (afer
 func decorateFileInfo(
 	fi os.FileInfo,
 	fs afero.Fs, opener func() (afero.File, error),
-	filename, filepath string, inMeta *FileMeta) FileMetaInfo {
+	filename, filepath string, inMeta *FileMeta,
+) FileMetaInfo {
 	var meta *FileMeta
 	var fim FileMetaInfo
 
@@ -289,13 +289,6 @@ func fileInfosToNames(fis []os.FileInfo) []string {
 	return names
 }
 
-func fromSlash(filenames []string) []string {
-	for i, name := range filenames {
-		filenames[i] = filepath.FromSlash(name)
-	}
-	return filenames
-}
-
 func sortFileInfos(fis []os.FileInfo) {
 	sort.Slice(fis, func(i, j int) bool {
 		fimi, fimj := fis[i].(FileMetaInfo), fis[j].(FileMetaInfo)
diff --git a/hugofs/filename_filter_fs.go b/hugofs/filename_filter_fs.go
index 4ecd1f55a..c101309c2 100644
--- a/hugofs/filename_filter_fs.go
+++ b/hugofs/filename_filter_fs.go
@@ -23,9 +23,7 @@ import (
 	"github.com/spf13/afero"
 )
 
-var (
-	_ FilesystemUnwrapper = (*filenameFilterFs)(nil)
-)
+var _ FilesystemUnwrapper = (*filenameFilterFs)(nil)
 
 func newFilenameFilterFs(fs afero.Fs, base string, filter *glob.FilenameFilter) afero.Fs {
 	return &filenameFilterFs{
@@ -93,12 +91,6 @@ func (fs *filenameFilterFs) Stat(name string) (os.FileInfo, error) {
 	return fi, err
 }
 
-func (fs *filenameFilterFs) getOpener(name string) func() (afero.File, error) {
-	return func() (afero.File, error) {
-		return fs.Open(name)
-	}
-}
-
 type filenameFilterDir struct {
 	afero.File
 	base   string
@@ -162,9 +154,11 @@ func (fs *filenameFilterFs) RemoveAll(p string) error {
 func (fs *filenameFilterFs) Rename(o, n string) error {
 	return syscall.EPERM
 }
+
 func (fs *filenameFilterFs) Create(n string) (afero.File, error) {
 	return nil, syscall.EPERM
 }
+
 func (fs *filenameFilterFs) Name() string {
 	return "FinameFilterFS"
 }
diff --git a/hugofs/fs.go b/hugofs/fs.go
index 9462afa24..5b8a3adb2 100644
--- a/hugofs/fs.go
+++ b/hugofs/fs.go
@@ -60,14 +60,7 @@ type Fs struct {
 	WorkingDirWritable afero.Fs
 }
 
-// NewDefault creates a new Fs with the OS file system
-// as source and destination file systems.
-func NewDefault(conf config.BaseConfig) *Fs {
-	fs := Os
-	return NewFrom(fs, conf)
-}
-
-func NewDefaultOld(cfg config.Provider) *Fs {
+func NewDefault(cfg config.Provider) *Fs {
 	workingDir, publishDir := getWorkingPublishDir(cfg)
 	fs := Os
 	return newFs(fs, fs, workingDir, publishDir)
@@ -99,7 +92,6 @@ func getWorkingPublishDir(cfg config.Provider) (string, string) {
 		publishDir = cfg.GetString("publishDir")
 	}
 	return workingDir, publishDir
-
 }
 
 func newFs(source, destination afero.Fs, workingDir, publishDir string) *Fs {
@@ -166,7 +158,7 @@ func MakeReadableAndRemoveAllModulePkgDir(fs afero.Fs, dir string) (int, error)
 		}
 		if info.IsDir() {
 			counter++
-			fs.Chmod(path, 0777)
+			fs.Chmod(path, 0o777)
 		}
 		return nil
 	})
@@ -217,7 +209,6 @@ func WalkFilesystems(fs afero.Fs, fn WalkFn) bool {
 		if WalkFilesystems(afs.UnwrapFilesystem(), fn) {
 			return true
 		}
-
 	} else if bfs, ok := fs.(FilesystemsUnwrapper); ok {
 		for _, sf := range bfs.UnwrapFilesystems() {
 			if WalkFilesystems(sf, fn) {
diff --git a/hugofs/fs_test.go b/hugofs/fs_test.go
index 509aca62f..b2ed2e86e 100644
--- a/hugofs/fs_test.go
+++ b/hugofs/fs_test.go
@@ -30,7 +30,6 @@ func TestIsOsFs(t *testing.T) {
 	c.Assert(IsOsFs(&afero.MemMapFs{}), qt.Equals, false)
 	c.Assert(IsOsFs(afero.NewBasePathFs(&afero.MemMapFs{}, "/public")), qt.Equals, false)
 	c.Assert(IsOsFs(afero.NewBasePathFs(Os, t.TempDir())), qt.Equals, true)
-
 }
 
 func TestNewDefault(t *testing.T) {
@@ -38,7 +37,7 @@ func TestNewDefault(t *testing.T) {
 	v := config.New()
 	v.Set("workingDir", t.TempDir())
 	v.Set("publishDir", "public")
-	f := NewDefaultOld(v)
+	f := NewDefault(v)
 
 	c.Assert(f.Source, qt.IsNotNil)
 	c.Assert(f.Source, hqt.IsSameType, new(afero.OsFs))
diff --git a/hugolib/filesystems/basefs.go b/hugolib/filesystems/basefs.go
index d5c94799d..a7c2a6271 100644
--- a/hugolib/filesystems/basefs.go
+++ b/hugolib/filesystems/basefs.go
@@ -57,7 +57,6 @@ var filePathSeparator = string(filepath.Separator)
 // to underline that even if they can be composites, they all have a base path set to a specific
 // resource folder, e.g "/my-project/content". So, no absolute filenames needed.
 type BaseFs struct {
-
 	// SourceFilesystems contains the different source file systems.
 	*SourceFilesystems
 
@@ -180,7 +179,6 @@ func (b *BaseFs) AbsProjectContentDir(filename string) (string, string, error) {
 				return filename, filepath.Join(meta.Filename, filename), nil
 			}
 		}
-
 	}
 
 	return "", "", fmt.Errorf("could not determine content directory for %q", filename)
@@ -301,7 +299,6 @@ func (s SourceFilesystems) ContentStaticAssetFs(lang string) afero.Fs {
 			},
 		},
 	)
-
 }
 
 // StaticFs returns the static filesystem for the given language.
@@ -666,8 +663,8 @@ func (b *sourceFilesystemsBuilder) isStaticMount(mnt modules.Mount) bool {
 
 func (b *sourceFilesystemsBuilder) createOverlayFs(
 	collector *filesystemsCollector,
-	mounts []mountsDescriptor) error {
-
+	mounts []mountsDescriptor,
+) error {
 	if len(mounts) == 0 {
 		appendNopIfEmpty := func(ofs *overlayfs.OverlayFs) *overlayfs.OverlayFs {
 			if ofs.NumFilesystems() > 0 {
@@ -857,13 +854,6 @@ func (c *filesystemsCollector) addDir(rfs *hugofs.RootMappingFs, componentFolder
 	}
 }
 
-func (c *filesystemsCollector) reverseFis(fis []hugofs.FileMetaInfo) {
-	for i := len(fis)/2 - 1; i >= 0; i-- {
-		opp := len(fis) - 1 - i
-		fis[i], fis[opp] = fis[opp], fis[i]
-	}
-}
-
 type mountsDescriptor struct {
 	modules.Module
 	dir           string
diff --git a/hugolib/hugo_modules_test.go b/hugolib/hugo_modules_test.go
index 88a0c3ec6..44500cae5 100644
--- a/hugolib/hugo_modules_test.go
+++ b/hugolib/hugo_modules_test.go
@@ -63,11 +63,11 @@ path="github.com/gohugoio/hugoTestModule2"
 		b := newTestSitesBuilder(t)
 		tempDir := t.TempDir()
 		workingDir := filepath.Join(tempDir, "myhugosite")
-		b.Assert(os.MkdirAll(workingDir, 0777), qt.IsNil)
+		b.Assert(os.MkdirAll(workingDir, 0o777), qt.IsNil)
 		cfg := config.New()
 		cfg.Set("workingDir", workingDir)
 		cfg.Set("publishDir", "public")
-		b.Fs = hugofs.NewDefaultOld(cfg)
+		b.Fs = hugofs.NewDefault(cfg)
 		b.WithWorkingDir(workingDir).WithConfigFile("toml", createConfig(workingDir, moduleOpts))
 		b.WithTemplates(
 			"index.html", `
@@ -352,7 +352,7 @@ ignoreVendorPaths = %q
 		b := newTestSitesBuilder(t)
 
 		// Need to use OS fs for this.
-		b.Fs = hugofs.NewDefaultOld(v)
+		b.Fs = hugofs.NewDefault(v)
 
 		b.WithWorkingDir(workingDir).WithConfigFile("toml", config)
 		b.WithContent("page.md", `
@@ -683,11 +683,11 @@ Data: {{ .Site.Data }}
 	createDirsAndFiles := func(baseDir string) {
 		for _, dir := range files.ComponentFolders {
 			realDir := filepath.Join(baseDir, dir, "real")
-			c.Assert(os.MkdirAll(realDir, 0777), qt.IsNil)
-			c.Assert(afero.WriteFile(fs.Source, filepath.Join(realDir, "data.toml"), []byte("[hello]\nother = \"hello\""), 0777), qt.IsNil)
+			c.Assert(os.MkdirAll(realDir, 0o777), qt.IsNil)
+			c.Assert(afero.WriteFile(fs.Source, filepath.Join(realDir, "data.toml"), []byte("[hello]\nother = \"hello\""), 0o777), qt.IsNil)
 		}
 
-		c.Assert(afero.WriteFile(fs.Source, filepath.Join(baseDir, "layouts", "index.html"), []byte(homeTemplate), 0777), qt.IsNil)
+		c.Assert(afero.WriteFile(fs.Source, filepath.Join(baseDir, "layouts", "index.html"), []byte(homeTemplate), 0o777), qt.IsNil)
 	}
 
 	// Create project dirs and files.
@@ -849,7 +849,7 @@ workingDir = %q
 	cfg.Set("workingDir", workingDir)
 	cfg.Set("publishDir", "public")
 
-	b.Fs = hugofs.NewDefaultOld(cfg)
+	b.Fs = hugofs.NewDefault(cfg)
 
 	b.WithWorkingDir(workingDir).WithConfigFile("toml", tomlConfig)
 	b.WithTemplatesAdded("index.html", `
@@ -877,8 +877,8 @@ workingDir = %q
 <a href="{{ $link | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if $isRemote }} target="_blank"{{ end }}>{{ .Text | safeHTML }}</a>
 `)
 
-	os.Mkdir(filepath.Join(workingDir, "mycontent"), 0777)
-	os.Mkdir(filepath.Join(workingDir, "mycontent", "mybundle"), 0777)
+	os.Mkdir(filepath.Join(workingDir, "mycontent"), 0o777)
+	os.Mkdir(filepath.Join(workingDir, "mycontent", "mybundle"), 0o777)
 
 	b.WithSourceFile("README.md", `---
 title: "Readme Title"
@@ -974,9 +974,9 @@ workingDir = %q
 		cfg := config.New()
 		cfg.Set("workingDir", workingDir)
 		cfg.Set("publishDir", "public")
-		b.Fs = hugofs.NewDefaultOld(cfg)
+		b.Fs = hugofs.NewDefault(cfg)
 
-		os.MkdirAll(filepath.Join(workingDir, "content", "blog"), 0777)
+		os.MkdirAll(filepath.Join(workingDir, "content", "blog"), 0o777)
 
 		b.WithWorkingDir(workingDir).WithConfigFile("toml", tomlConfig)
 
@@ -1034,12 +1034,12 @@ title: P1
 		defer test.clean()
 
 		subContentDir := filepath.Join(test.workingDir, "mycontent", "sub")
-		os.MkdirAll(subContentDir, 0777)
+		os.MkdirAll(subContentDir, 0o777)
 		myPartialsDir := filepath.Join(test.workingDir, "subdir", "mypartials")
-		os.MkdirAll(myPartialsDir, 0777)
+		os.MkdirAll(myPartialsDir, 0o777)
 
 		absShortcodesDir := filepath.Join(absDir, "abs", "myshortcodes")
-		os.MkdirAll(absShortcodesDir, 0777)
+		os.MkdirAll(absShortcodesDir, 0o777)
 
 		b.WithSourceFile("README.md", "---\ntitle: Readme\n---")
 		b.WithSourceFile("mycontent/sub/p1.md", "---\ntitle: P1\n---")
@@ -1128,7 +1128,7 @@ title: Abs
 ---
 
 Content.
-`), 0777)
+`), 0o777)
 
 	b.WithWorkingDir(workDir).WithConfigFile("toml", config)
 	b.WithContent("dummy.md", "")
diff --git a/hugolib/hugo_sites.go b/hugolib/hugo_sites.go
index eb0385cda..f3f5c3eb2 100644
--- a/hugolib/hugo_sites.go
+++ b/hugolib/hugo_sites.go
@@ -50,7 +50,6 @@ import (
 	"github.com/gohugoio/hugo/resources/kinds"
 	"github.com/gohugoio/hugo/resources/page"
 	"github.com/gohugoio/hugo/resources/page/pagemeta"
-	"github.com/gohugoio/hugo/tpl"
 )
 
 // HugoSites represents the sites to build. Each site represents a language.
@@ -319,21 +318,6 @@ func (h *HugoSites) loadGitInfo() error {
 	return nil
 }
 
-func (s *Site) withSiteTemplates(withTemplates ...func(templ tpl.TemplateManager) error) func(templ tpl.TemplateManager) error {
-	return func(templ tpl.TemplateManager) error {
-		for _, wt := range withTemplates {
-			if wt == nil {
-				continue
-			}
-			if err := wt(templ); err != nil {
-				return err
-			}
-		}
-
-		return nil
-	}
-}
-
 // Reset resets the sites and template caches etc., making it ready for a full rebuild.
 func (h *HugoSites) reset(config *BuildCfg) {
 	if config.ResetState {
@@ -659,7 +643,6 @@ func (h *HugoSites) errWithFileContext(err error, f source.File) error {
 	realFilename := fim.Meta().Filename
 
 	return herrors.NewFileErrorFromFile(err, realFilename, h.SourceSpec.Fs.Source, nil)
-
 }
 
 func (h *HugoSites) readData(f source.File) (any, error) {
diff --git a/hugolib/page.go b/hugolib/page.go
index 2ea936af2..bf5e19ac4 100644
--- a/hugolib/page.go
+++ b/hugolib/page.go
@@ -851,10 +851,6 @@ func (p *pageState) pathOrTitle() string {
 	return p.Title()
 }
 
-func (p *pageState) posFromPage(offset int) text.Position {
-	return p.posFromInput(p.source.parsed.Input(), offset)
-}
-
 func (p *pageState) posFromInput(input []byte, offset int) text.Position {
 	if offset < 0 {
 		return text.Position{
diff --git a/hugolib/shortcode.go b/hugolib/shortcode.go
index c10896bef..77c5b4e7e 100644
--- a/hugolib/shortcode.go
+++ b/hugolib/shortcode.go
@@ -484,10 +484,6 @@ func doRenderShortcode(
 	return prerenderedShortcode{s: result, hasVariants: hasVariants}, err
 }
 
-func (s *shortcodeHandler) hasShortcodes() bool {
-	return s != nil && len(s.shortcodes) > 0
-}
-
 func (s *shortcodeHandler) addName(name string) {
 	s.nameSetMu.Lock()
 	defer s.nameSetMu.Unlock()
@@ -529,13 +525,6 @@ func (s *shortcodeHandler) prepareShortcodesForPage(ctx context.Context, p *page
 	return rendered, nil
 }
 
-func (s *shortcodeHandler) parseError(err error, input []byte, pos int) error {
-	if s.p != nil {
-		return s.p.parseError(err, input, pos)
-	}
-	return err
-}
-
 // pageTokens state:
 // - before: positioned just before the shortcode start
 // - after: shortcode(s) consumed (plural when they are nested)
diff --git a/hugolib/template_test.go b/hugolib/template_test.go
index 802ce40e2..d18b4c6f0 100644
--- a/hugolib/template_test.go
+++ b/hugolib/template_test.go
@@ -16,7 +16,6 @@ package hugolib
 import (
 	"fmt"
 	"path/filepath"
-	"strings"
 	"testing"
 
 	"github.com/gohugoio/hugo/config"
@@ -636,10 +635,6 @@ func collectIdentities(set map[identity.Identity]bool, provider identity.Provide
 	}
 }
 
-func ident(level int) string {
-	return strings.Repeat(" ", level)
-}
-
 func TestPartialInline(t *testing.T) {
 	b := newTestSitesBuilder(t)
 
diff --git a/hugolib/testhelpers_test.go b/hugolib/testhelpers_test.go
index 700aa8c3d..cf054897d 100644
--- a/hugolib/testhelpers_test.go
+++ b/hugolib/testhelpers_test.go
@@ -43,7 +43,6 @@ import (
 	"github.com/spf13/cast"
 
 	"github.com/gohugoio/hugo/helpers"
-	"github.com/gohugoio/hugo/tpl"
 
 	"github.com/gohugoio/hugo/resources/resource"
 
@@ -522,7 +521,7 @@ func (s *sitesBuilder) CreateSitesE() error {
 				"data",
 				"i18n",
 			} {
-				if err := os.MkdirAll(filepath.Join(s.workingDir, dir), 0777); err != nil {
+				if err := os.MkdirAll(filepath.Join(s.workingDir, dir), 0o777); err != nil {
 					return fmt.Errorf("failed to create %q: %w", dir, err)
 				}
 			}
@@ -555,7 +554,6 @@ func (s *sitesBuilder) CreateSitesE() error {
 	depsCfg.TestLogger = s.logger
 
 	sites, err := NewHugoSites(depsCfg)
-
 	if err != nil {
 		return fmt.Errorf("failed to create sites: %w", err)
 	}
@@ -878,20 +876,6 @@ func (th testHelper) assertFileContent(filename string, matches ...string) {
 	}
 }
 
-func (th testHelper) assertFileContentRegexp(filename string, matches ...string) {
-	filename = th.replaceDefaultContentLanguageValue(filename)
-	content := readWorkingDir(th, th.Fs, filename)
-	for _, match := range matches {
-		match = th.replaceDefaultContentLanguageValue(match)
-		r := regexp.MustCompile(match)
-		matches := r.MatchString(content)
-		if !matches {
-			fmt.Println("Expected to match regexp:\n"+match+"\nGot:\n", content)
-		}
-		th.Assert(matches, qt.Equals, true)
-	}
-}
-
 func (th testHelper) assertFileNotExist(filename string) {
 	exists, err := helpers.Exists(filename, th.Fs.PublishDir)
 	th.Assert(err, qt.IsNil)
@@ -908,16 +892,11 @@ func (th testHelper) replaceDefaultContentLanguageValue(value string) string {
 	return value
 }
 
-func loadTestConfig(fs afero.Fs) (*allconfig.Configs, error) {
-	res, err := allconfig.LoadConfig(allconfig.ConfigSourceDescriptor{Fs: fs})
-	return res, err
-}
-
 func loadTestConfigFromProvider(cfg config.Provider) (*allconfig.Configs, error) {
 	workingDir := cfg.GetString("workingDir")
 	fs := afero.NewMemMapFs()
 	if workingDir != "" {
-		fs.MkdirAll(workingDir, 0755)
+		fs.MkdirAll(workingDir, 0o755)
 	}
 	res, err := allconfig.LoadConfig(allconfig.ConfigSourceDescriptor{Flags: cfg, Fs: fs})
 	return res, err
@@ -972,18 +951,6 @@ func newTestSitesFromConfig(t testing.TB, afs afero.Fs, tomlConfig string, layou
 	return th, h
 }
 
-func createWithTemplateFromNameValues(additionalTemplates ...string) func(templ tpl.TemplateManager) error {
-	return func(templ tpl.TemplateManager) error {
-		for i := 0; i < len(additionalTemplates); i += 2 {
-			err := templ.AddTemplate(additionalTemplates[i], additionalTemplates[i+1])
-			if err != nil {
-				return err
-			}
-		}
-		return nil
-	}
-}
-
 // TODO(bep) replace these with the builder
 func buildSingleSite(t testing.TB, depsCfg deps.DepsCfg, buildCfg BuildCfg) *Site {
 	t.Helper()
diff --git a/livereload/livereload.go b/livereload/livereload.go
index 59d4c1286..f24b42f37 100644
--- a/livereload/livereload.go
+++ b/livereload/livereload.go
@@ -113,12 +113,6 @@ func ForceRefresh() {
 	RefreshPath("/x.js")
 }
 
-// NavigateToPath tells livereload to navigate to the given path.
-// This translates to `window.location.href = path` in the client.
-func NavigateToPath(path string) {
-	RefreshPath(hugoNavigatePrefix + path)
-}
-
 // NavigateToPathForPort is similar to NavigateToPath but will also
 // set window.location.port to the given port value.
 func NavigateToPathForPort(path string, port int) {
diff --git a/markup/goldmark/links/transform.go b/markup/goldmark/links/transform.go
index b4f6b6dc5..2a7815b70 100644
--- a/markup/goldmark/links/transform.go
+++ b/markup/goldmark/links/transform.go
@@ -1,11 +1,9 @@
 package images
 
 import (
-	"github.com/yuin/goldmark"
 	"github.com/yuin/goldmark/ast"
 	"github.com/yuin/goldmark/parser"
 	"github.com/yuin/goldmark/text"
-	"github.com/yuin/goldmark/util"
 )
 
 type (
@@ -20,18 +18,6 @@ const (
 	AttrIsBlock = "_h__isBlock"
 )
 
-func New(wrapStandAloneImageWithinParagraph bool) goldmark.Extender {
-	return &linksExtension{wrapStandAloneImageWithinParagraph: wrapStandAloneImageWithinParagraph}
-}
-
-func (e *linksExtension) Extend(m goldmark.Markdown) {
-	m.Parser().AddOptions(
-		parser.WithASTTransformers(
-			util.Prioritized(&Transformer{wrapStandAloneImageWithinParagraph: e.wrapStandAloneImageWithinParagraph}, 300),
-		),
-	)
-}
-
 type Transformer struct {
 	wrapStandAloneImageWithinParagraph bool
 }
@@ -67,7 +53,5 @@ func (t *Transformer) Transform(doc *ast.Document, reader text.Reader, pctx pars
 		}
 
 		return ast.WalkContinue, nil
-
 	})
-
 }
diff --git a/markup/highlight/highlight.go b/markup/highlight/highlight.go
index c70659a09..85ea74124 100644
--- a/markup/highlight/highlight.go
+++ b/markup/highlight/highlight.go
@@ -232,7 +232,6 @@ func highlight(fw hugio.FlexiWriter, code, lang string, attributes []attributes.
 				return ``
 			},
 		}
-
 	} else {
 		wrapper = getPreWrapper(lang, w)
 	}
@@ -314,10 +313,6 @@ func (s startEnd) End(code bool) string {
 	return s.end(code)
 }
 
-func WritePreEnd(w io.Writer) {
-	fmt.Fprint(w, preEnd)
-}
-
 func writeDivStart(w hugio.FlexiWriter, attrs []attributes.Attribute) {
 	w.WriteString(`<div class="highlight`)
 	if attrs != nil {
diff --git a/media/config.go b/media/config.go
index 72583f267..b356132be 100644
--- a/media/config.go
+++ b/media/config.go
@@ -31,7 +31,6 @@ import (
 var DefaultTypes Types
 
 func init() {
-
 	ns, err := DecodeTypes(nil)
 	if err != nil {
 		panic(err)
@@ -61,7 +60,6 @@ type MediaTypeConfig struct {
 
 // DecodeTypes decodes the given map of media types.
 func DecodeTypes(in map[string]any) (*config.ConfigNamespace[map[string]MediaTypeConfig, Types], error) {
-
 	buildConfig := func(v any) (Types, any, error) {
 		m, err := maps.ToStringMapE(v)
 		if err != nil {
@@ -106,34 +104,4 @@ func DecodeTypes(in map[string]any) (*config.ConfigNamespace[map[string]MediaTyp
 		return nil, fmt.Errorf("failed to decode media types: %w", err)
 	}
 	return ns, nil
-
-}
-
-func suffixIsRemoved() error {
-	return errors.New(`MediaType.Suffix is removed. Before Hugo 0.44 this was used both to set a custom file suffix and as way
-to augment the mediatype definition (what you see after the "+", e.g. "image/svg+xml").
-
-This had its limitations. For one, it was only possible with one file extension per MIME type.
-
-Now you can specify multiple file suffixes using "suffixes", but you need to specify the full MIME type
-identifier:
-
-[mediaTypes]
-[mediaTypes."image/svg+xml"]
-suffixes = ["svg", "abc" ]
-
-In most cases, it will be enough to just change:
-
-[mediaTypes]
-[mediaTypes."my/custom-mediatype"]
-suffix = "txt"
-
-To:
-
-[mediaTypes]
-[mediaTypes."my/custom-mediatype"]
-suffixes = ["txt"]
-
-Note that you can still get the Media Type's suffix from a template: {{ $mediaType.Suffix }}. But this will now map to the MIME type filename.
-`)
 }
diff --git a/modules/collect.go b/modules/collect.go
index 5b5418bcd..6c47bde5c 100644
--- a/modules/collect.go
+++ b/modules/collect.go
@@ -15,6 +15,7 @@ package modules
 
 import (
 	"bufio"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -37,8 +38,6 @@ import (
 
 	"github.com/rogpeppe/go-internal/module"
 
-	"errors"
-
 	"github.com/gohugoio/hugo/config"
 	"github.com/spf13/afero"
 )
@@ -47,11 +46,6 @@ var ErrNotExist = errors.New("module does not exist")
 
 const vendorModulesFilename = "modules.txt"
 
-// IsNotExist returns whether an error means that a module could not be found.
-func IsNotExist(err error) bool {
-	return errors.Is(err, os.ErrNotExist)
-}
-
 func (h *Client) Collect() (ModulesConfig, error) {
 	mc, coll := h.collect(true)
 	if coll.err != nil {
@@ -124,7 +118,6 @@ func (m ModulesConfig) HasConfigFile() bool {
 		if len(mod.ConfigFilenames()) > 0 {
 			return true
 		}
-
 	}
 	return false
 }
@@ -220,7 +213,6 @@ func (c *collector) getVendoredDir(path string) (vendoredModule, bool) {
 }
 
 func (c *collector) add(owner *moduleAdapter, moduleImport Import) (*moduleAdapter, error) {
-
 	var (
 		mod       *goModule
 		moduleDir string
@@ -669,7 +661,6 @@ func (c *collector) normalizeMounts(owner *moduleAdapter, mounts []Mount) ([]Mou
 			} else {
 				continue
 			}
-
 		}
 
 		// Verify that target points to one of the predefined component dirs
diff --git a/resources/image.go b/resources/image.go
index 9a24fd21c..cb0181a5f 100644
--- a/resources/image.go
+++ b/resources/image.go
@@ -424,16 +424,6 @@ func (i *imageResource) doWithImageConfig(conf images.ImageConfig, f func(src im
 	return img, nil
 }
 
-func (i *imageResource) decodeImageConfig(action, spec string) (images.ImageConfig, error) {
-	options := strings.Fields(spec)
-	conf, err := images.DecodeImageConfig(action, options, i.Proc.Cfg, i.Format)
-	if err != nil {
-		return conf, err
-	}
-
-	return conf, nil
-}
-
 type giphy struct {
 	image.Image
 	gif *gif.GIF
diff --git a/resources/resource/resourcetypes.go b/resources/resource/resourcetypes.go
index 237bee0c8..9e550e252 100644
--- a/resources/resource/resourcetypes.go
+++ b/resources/resource/resourcetypes.go
@@ -66,7 +66,6 @@ type ResourceError interface {
 
 // ErrProvider provides an Err.
 type ErrProvider interface {
-
 	// Err returns an error if this resource is in an error state.
 	// This will currently only be set for resources obtained from resources.GetRemote.
 	Err() ResourceError
@@ -215,15 +214,3 @@ func (r resourceTypesHolder) ResourceType() string {
 func NewResourceTypesProvider(mediaType media.Type, resourceType string) ResourceTypesProvider {
 	return resourceTypesHolder{mediaType: mediaType, resourceType: resourceType}
 }
-
-type languageHolder struct {
-	lang *langs.Language
-}
-
-func (l languageHolder) Language() *langs.Language {
-	return l.lang
-}
-
-func NewLanguageProvider(lang *langs.Language) LanguageProvider {
-	return languageHolder{lang: lang}
-}
diff --git a/resources/resource_factories/create/remote.go b/resources/resource_factories/create/remote.go
index 488e8e70a..d1fd2481d 100644
--- a/resources/resource_factories/create/remote.go
+++ b/resources/resource_factories/create/remote.go
@@ -65,7 +65,6 @@ func responseToData(res *http.Response, readBody bool) map[string]any {
 	}
 
 	return m
-
 }
 
 func toHTTPError(err error, res *http.Response, readBody bool) *HTTPError {
@@ -141,7 +140,6 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 				if res.StatusCode != http.StatusNotFound {
 					if res.StatusCode < 200 || res.StatusCode > 299 {
 						return nil, temporaryHTTPStatusCodes[res.StatusCode], toHTTPError(fmt.Errorf("failed to fetch remote resource: %s", http.StatusText(res.StatusCode)), res, !isHeadMethod)
-
 					}
 				}
 
@@ -151,9 +149,7 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 				}
 
 				return b, false, nil
-
 			}()
-
 			if err != nil {
 				if retry {
 					if start.IsZero() {
@@ -174,7 +170,6 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 			return hugio.ToReadCloser(bytes.NewReader(b)), nil
 
 		}
-
 	})
 	if err != nil {
 		return nil, err
@@ -307,22 +302,6 @@ func addUserProvidedHeaders(headers map[string]any, req *http.Request) {
 	}
 }
 
-func hasHeaderValue(m http.Header, key, value string) bool {
-	var s []string
-	var ok bool
-
-	if s, ok = m[key]; !ok {
-		return false
-	}
-
-	for _, v := range s {
-		if v == value {
-			return true
-		}
-	}
-	return false
-}
-
 func hasHeaderKey(m http.Header, key string) bool {
 	_, ok := m[key]
 	return ok
diff --git a/tpl/template.go b/tpl/template.go
index 61aaa993f..1f0127c66 100644
--- a/tpl/template.go
+++ b/tpl/template.go
@@ -129,21 +129,6 @@ type TemplatesProvider interface {
 	TextTmpl() TemplateParseFinder
 }
 
-// WithInfo wraps the info in a template.
-func WithInfo(templ Template, info Info) Template {
-	if manager, ok := info.(InfoManager); ok {
-		return &templateInfoManager{
-			Template:    templ,
-			InfoManager: manager,
-		}
-	}
-
-	return &templateInfo{
-		Template: templ,
-		Info:     info,
-	}
-}
-
 var baseOfRe = regexp.MustCompile("template: (.*?):")
 
 func extractBaseOf(err string) string {
@@ -173,17 +158,6 @@ type page interface {
 	IsNode() bool
 }
 
-func GetHasLockFromContext(ctx context.Context) bool {
-	if v := ctx.Value(texttemplate.HasLockContextKey); v != nil {
-		return v.(bool)
-	}
-	return false
-}
-
-func SetHasLockInContext(ctx context.Context, hasLock bool) context.Context {
-	return context.WithValue(ctx, texttemplate.HasLockContextKey, hasLock)
-}
-
 func GetCallbackFunctionFromContext(ctx context.Context) any {
 	return ctx.Value(texttemplate.CallbackContextKey)
 }
diff --git a/tpl/template_info.go b/tpl/template_info.go
index c21c0ae7d..5f748d682 100644
--- a/tpl/template_info.go
+++ b/tpl/template_info.go
@@ -39,22 +39,6 @@ type InfoManager interface {
 	identity.Manager
 }
 
-type defaultInfo struct {
-	identity.Manager
-	parseInfo ParseInfo
-}
-
-func NewInfo(id identity.Manager, parseInfo ParseInfo) Info {
-	return &defaultInfo{
-		Manager:   id,
-		parseInfo: parseInfo,
-	}
-}
-
-func (info *defaultInfo) ParseInfo() ParseInfo {
-	return info.parseInfo
-}
-
 type ParseInfo struct {
 	// Set for shortcode templates with any {{ .Inner }}
 	IsInner bool
diff --git a/unused.sh b/unused.sh
new file mode 100755
index 000000000..351892368
--- /dev/null
+++ b/unused.sh
@@ -0,0 +1 @@
+deadcode -test ./... | grep -v go_templ
\ No newline at end of file