diff --git a/internal/trace/writer.go b/internal/trace/writer.go
index 0aa4ff0..bb17c5f 100644
--- a/internal/trace/writer.go
+++ b/internal/trace/writer.go
@@ -20,10 +20,9 @@ type Step struct {
 	Action        *Action                    `json:"action,omitempty"`
 	Exceptions    []Exception                `json:"exceptions,omitempty"`
 	Violations    []string                   `json:"violations,omitempty"`
-	Hierarchy     *hierarchy.Tree            `json:"hierarchy,omitempty"`
-	Residuals     map[string]json.RawMessage `json:"residuals,omitempty"`
-	Metrics       *Metrics                   `json:"metrics,omitempty"`
-	HTMLAvailable bool                       `json:"html_available,omitempty"`
+	Hierarchy  *hierarchy.Tree            `json:"hierarchy,omitempty"`
+	Residuals  map[string]json.RawMessage `json:"residuals,omitempty"`
+	Metrics    *Metrics                   `json:"metrics,omitempty"`
 }
 
 type Metrics struct {
@@ -144,30 +143,6 @@ func (w *Writer) writePNG(name string, png []byte) error {
 	return os.WriteFile(filepath.Join(directory, name), png, 0o644)
 }
 
-// WriteHTML stores the page HTML for `stepIndex` under `<dir>/html/`. Empty
-// payloads are skipped so the directory only exists when there is real
-// content to render in the inspect UI.
-func (w *Writer) WriteHTML(stepIndex int, html []byte) error {
-	return w.writeHTML(fmt.Sprintf("step-%05d.html", stepIndex), html)
-}
-
-// WriteHTMLAfter writes the post-action HTML, paired with the post-action
-// screenshot.
-func (w *Writer) WriteHTMLAfter(stepIndex int, html []byte) error {
-	return w.writeHTML(fmt.Sprintf("step-%05d-after.html", stepIndex), html)
-}
-
-func (w *Writer) writeHTML(name string, html []byte) error {
-	if len(html) == 0 {
-		return nil
-	}
-	directory := filepath.Join(w.directory, "html")
-	if err := os.MkdirAll(directory, 0o755); err != nil {
-		return fmt.Errorf("mkdir html: %w", err)
-	}
-	return os.WriteFile(filepath.Join(directory, name), html, 0o644)
-}
-
 func (w *Writer) Close() error {
 	w.mutex.Lock()
 	defer w.mutex.Unlock()
diff --git a/internal/trace/writer_test.go b/internal/trace/writer_test.go
index ad39e07..454656c 100644
--- a/internal/trace/writer_test.go
+++ b/internal/trace/writer_test.go
@@ -269,65 +269,6 @@ func TestWriteAfterClose_Errors(t *testing.T) {
 	}
 }
 
-func TestWriteHTML_WritesToHTMLDir(t *testing.T) {
-	directory := t.TempDir()
-	writer, _ := NewWriter(directory)
-	defer writer.Close()
-
-	html := []byte("<!doctype html><html><body>hi</body></html>")
-	if err := writer.WriteHTML(3, html); err != nil {
-		t.Fatal(err)
-	}
-	if err := writer.WriteHTMLAfter(3, html); err != nil {
-		t.Fatal(err)
-	}
-
-	got, err := os.ReadFile(filepath.Join(directory, "html", "step-00003.html"))
-	if err != nil {
-		t.Fatalf("step-00003 missing: %v", err)
-	}
-	if string(got) != string(html) {
-		t.Errorf("html bytes wrong: %q", got)
-	}
-	if _, err := os.Stat(filepath.Join(directory, "html", "step-00003-after.html")); err != nil {
-		t.Errorf("step-00003-after missing: %v", err)
-	}
-}
-
-func TestWriteHTML_EmptyByteSliceIsNoop(t *testing.T) {
-	directory := t.TempDir()
-	writer, _ := NewWriter(directory)
-	defer writer.Close()
-
-	if err := writer.WriteHTML(1, nil); err != nil {
-		t.Fatal(err)
-	}
-	if _, err := os.Stat(filepath.Join(directory, "html")); !os.IsNotExist(err) {
-		t.Errorf("html dir should not exist after empty write")
-	}
-}
-
-func TestStep_HTMLAvailableRoundTrip(t *testing.T) {
-	directory := t.TempDir()
-	writer, _ := NewWriter(directory)
-	defer writer.Close()
-
-	if err := writer.WriteStep(Step{Index: 1, HTMLAvailable: true}); err != nil {
-		t.Fatal(err)
-	}
-	if err := writer.WriteStep(Step{Index: 2}); err != nil {
-		t.Fatal(err)
-	}
-	body, _ := os.ReadFile(filepath.Join(directory, "trace.jsonl"))
-	lines := strings.Split(strings.TrimSpace(string(body)), "\n")
-	if !strings.Contains(lines[0], `"html_available":true`) {
-		t.Errorf("html_available missing in step 1: %s", lines[0])
-	}
-	if strings.Contains(lines[1], "html_available") {
-		t.Errorf("html_available should be omitted when false: %s", lines[1])
-	}
-}
-
 func TestNewWriter_CreatesNestedDirectory(t *testing.T) {
 	parent := t.TempDir()
 	target := filepath.Join(parent, "runs", "2026-04-17T22-30-00")