diff --git a/modules/fileicon/material.go b/modules/fileicon/material.go
index aa31cd8d7c..cbdb962ee3 100644
--- a/modules/fileicon/material.go
+++ b/modules/fileicon/material.go
@@ -99,12 +99,9 @@ func (m *MaterialIconProvider) FileIcon(ctx reqctx.RequestContext, entry *git.Tr
 	}
 
 	name := m.findIconNameByGit(entry)
-	if name == "folder" {
-		// the material icon pack's "folder" icon doesn't look good, so use our built-in one
-		// keep the old "octicon-xxx" class name to make some "theme plugin selector" could still work
-		return svg.RenderHTML("material-folder-generic", 16, "octicon-file-directory-fill")
-	}
-	if iconSVG, ok := m.svgs[name]; ok && iconSVG != "" {
+	// the material icon pack's "folder" icon doesn't look good, so use our built-in one
+	// keep the old "octicon-xxx" class name to make some "theme plugin selector" could still work
+	if iconSVG, ok := m.svgs[name]; ok && name != "folder" && iconSVG != "" {
 		// keep the old "octicon-xxx" class name to make some "theme plugin selector" could still work
 		extraClass := "octicon-file"
 		switch {
@@ -115,7 +112,8 @@ func (m *MaterialIconProvider) FileIcon(ctx reqctx.RequestContext, entry *git.Tr
 		}
 		return m.renderFileIconSVG(ctx, name, iconSVG, extraClass)
 	}
-	return svg.RenderHTML("octicon-file")
+	// TODO: use an interface or wrapper for git.Entry to make the code testable.
+	return BasicThemeIcon(entry)
 }
 
 func (m *MaterialIconProvider) findIconNameWithLangID(s string) string {
diff --git a/modules/git/repo_attribute_test.go b/modules/git/repo_attribute_test.go
index c4f5bac46d..d8fd9f0e8d 100644
--- a/modules/git/repo_attribute_test.go
+++ b/modules/git/repo_attribute_test.go
@@ -4,16 +4,10 @@
 package git
 
 import (
-	"context"
-	mathRand "math/rand/v2"
-	"path/filepath"
-	"slices"
-	"sync"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 )
 
 func Test_nulSeparatedAttributeWriter_ReadAttribute(t *testing.T) {
@@ -101,57 +95,3 @@ func Test_nulSeparatedAttributeWriter_ReadAttribute(t *testing.T) {
 		Value:     "unspecified",
 	}, attr)
 }
-
-func TestAttributeReader(t *testing.T) {
-	t.Skip() // for debug purpose only, do not run in CI
-
-	ctx := t.Context()
-
-	timeout := 1 * time.Second
-	repoPath := filepath.Join(testReposDir, "language_stats_repo")
-	commitRef := "HEAD"
-
-	oneRound := func(t *testing.T, roundIdx int) {
-		ctx, cancel := context.WithTimeout(ctx, timeout)
-		_ = cancel
-		gitRepo, err := OpenRepository(ctx, repoPath)
-		require.NoError(t, err)
-		defer gitRepo.Close()
-
-		commit, err := gitRepo.GetCommit(commitRef)
-		require.NoError(t, err)
-
-		files, err := gitRepo.LsFiles()
-		require.NoError(t, err)
-
-		randomFiles := slices.Clone(files)
-		randomFiles = append(randomFiles, "any-file-1", "any-file-2")
-
-		t.Logf("Round %v with %d files", roundIdx, len(randomFiles))
-
-		attrReader, deferrable := gitRepo.CheckAttributeReader(commit.ID.String())
-		defer deferrable()
-
-		wg := sync.WaitGroup{}
-		wg.Add(1)
-
-		go func() {
-			for {
-				file := randomFiles[mathRand.IntN(len(randomFiles))]
-				_, err := attrReader.CheckPath(file)
-				if err != nil {
-					for i := 0; i < 10; i++ {
-						_, _ = attrReader.CheckPath(file)
-					}
-					break
-				}
-			}
-			wg.Done()
-		}()
-		wg.Wait()
-	}
-
-	for i := 0; i < 100; i++ {
-		oneRound(t, i)
-	}
-}
diff --git a/web_src/js/utils/dom.test.ts b/web_src/js/utils/dom.test.ts
index 6e71596850..6a3af91556 100644
--- a/web_src/js/utils/dom.test.ts
+++ b/web_src/js/utils/dom.test.ts
@@ -1,4 +1,10 @@
-import {createElementFromAttrs, createElementFromHTML, queryElemChildren, querySingleVisibleElem} from './dom.ts';
+import {
+  createElementFromAttrs,
+  createElementFromHTML,
+  queryElemChildren,
+  querySingleVisibleElem,
+  toggleElem,
+} from './dom.ts';
 
 test('createElementFromHTML', () => {
   expect(createElementFromHTML('<a>foo<span>bar</span></a>').outerHTML).toEqual('<a>foo<span>bar</span></a>');
@@ -32,3 +38,13 @@ test('queryElemChildren', () => {
   const children = queryElemChildren(el, '.a');
   expect(children.length).toEqual(1);
 });
+
+test('toggleElem', () => {
+  const el = createElementFromHTML('<p><div>a</div><div class="tw-hidden">b</div></p>');
+  toggleElem(el.children);
+  expect(el.outerHTML).toEqual('<p><div class="tw-hidden">a</div><div class="">b</div></p>');
+  toggleElem(el.children, false);
+  expect(el.outerHTML).toEqual('<p><div class="tw-hidden">a</div><div class="tw-hidden">b</div></p>');
+  toggleElem(el.children, true);
+  expect(el.outerHTML).toEqual('<p><div class="">a</div><div class="">b</div></p>');
+});
diff --git a/web_src/js/utils/dom.ts b/web_src/js/utils/dom.ts
index 6d38ffa8cd..b3debfde9e 100644
--- a/web_src/js/utils/dom.ts
+++ b/web_src/js/utils/dom.ts
@@ -44,7 +44,7 @@ export function toggleClass(el: ElementArg, className: string, force?: boolean)
  * @param force force=true to show or force=false to hide, undefined to toggle
  */
 export function toggleElem(el: ElementArg, force?: boolean) {
-  toggleClass(el, 'tw-hidden', !force);
+  toggleClass(el, 'tw-hidden', force === undefined ? force : !force);
 }
 
 export function showElem(el: ElementArg) {