diff --git a/internal/godoc/dochtml/dochtml.go b/internal/godoc/dochtml/dochtml.go
index f9f36d6..5dcdcef 100644
--- a/internal/godoc/dochtml/dochtml.go
+++ b/internal/godoc/dochtml/dochtml.go
@@ -281,9 +281,8 @@
 			}
 			return "/" + versionedPath
 		},
-		DisableHotlinking:           true,
-		EnableCommandTOC:            true,
-		EnableInteractivePlayground: true,
+		DisableHotlinking: true,
+		EnableCommandTOC:  true,
 	})
 
 	fileLink := func(name string) safehtml.HTML {
diff --git a/internal/godoc/dochtml/internal/render/linkify_test.go b/internal/godoc/dochtml/internal/render/linkify_test.go
index c199ffe..438c72d 100644
--- a/internal/godoc/dochtml/internal/render/linkify_test.go
+++ b/internal/godoc/dochtml/internal/render/linkify_test.go
@@ -314,11 +314,12 @@
 b := 2 /* another comment */
 `,
 			`
-<pre class="Documentation-exampleCode">
+<textarea class="Documentation-exampleCode" spellcheck="false">
 a := 1
-<span class="comment">// a comment</span>
-b := 2 <span class="comment">/* another comment */</span>
-</pre>`,
+// a comment
+b := 2 /* another comment */
+</textarea>
+`,
 		},
 		{
 			"trailing newlines",
@@ -327,9 +328,10 @@
 
 `,
 			`
-<pre class="Documentation-exampleCode">
+<textarea class="Documentation-exampleCode" spellcheck="false">
 a := 1
-</pre>`,
+</textarea>
+`,
 		},
 		{
 			"stripped output comment",
@@ -340,11 +342,11 @@
 // removed
 `,
 			`
-<pre class="Documentation-exampleCode">
+<textarea class="Documentation-exampleCode" spellcheck="false">
 a := 1
-<span class="comment">// Output:</span>
+// Output:
 b := 1
-</pre>
+</textarea>
 `,
 		},
 		{
@@ -358,15 +360,15 @@
 cleanup()
 `,
 			`
-<pre class="Documentation-exampleCode">
+<textarea class="Documentation-exampleCode" spellcheck="false">
 a := 1
-<span class="comment">// Output:</span>
+// Output:
 b := 1
-</pre>
+</textarea>
 `,
 		},
 	} {
-		out := codeHTML(test.in, legacyExampleTmpl)
+		out := codeHTML(test.in, exampleTmpl)
 		got := strings.TrimSpace(string(out.String()))
 		want := strings.TrimSpace(test.want)
 		if got != want {
diff --git a/internal/godoc/dochtml/internal/render/render.go b/internal/godoc/dochtml/internal/render/render.go
index 295f147..434f24b 100644
--- a/internal/godoc/dochtml/internal/render/render.go
+++ b/internal/godoc/dochtml/internal/render/render.go
@@ -67,12 +67,6 @@
 	//
 	// Only relevant for HTML formatting.
 	EnableCommandTOC bool
-
-	// EnableInteractivePlayground turns on the interactive playgrounds on
-	// unit pages with examples.
-	//
-	// Only relevant for HTML formatting.
-	EnableInteractivePlayground bool
 }
 
 // docDataTmpl renders documentation. It expects a docData.
@@ -102,19 +96,6 @@
   {{- end -}}
 {{end}}`))
 
-// legacyExampleTmpl renders code for a legacy example. It expect an Example.
-var legacyExampleTmpl = template.Must(template.New("").Parse(`
-<pre class="Documentation-exampleCode">
-{{range .}}
-  {{- if .Comment -}}
-    <span class="comment">{{.Text}}</span>
-  {{- else -}}
-    {{.Text}}
-  {{- end -}}
-{{end}}
-</pre>
-`))
-
 // exampleTmpl renders code for an example. It expect an Example.
 var exampleTmpl = template.Must(template.New("").Parse(`
 <textarea class="Documentation-exampleCode" spellcheck="false">
@@ -130,7 +111,6 @@
 	var disableHotlinking bool
 	var disablePermalinks bool
 	var enableCommandTOC bool
-	exampleTemplate := legacyExampleTmpl
 	if opts != nil {
 		if len(opts.RelatedPackages) > 0 {
 			others = opts.RelatedPackages
@@ -141,9 +121,6 @@
 		disableHotlinking = opts.DisableHotlinking
 		disablePermalinks = opts.DisablePermalinks
 		enableCommandTOC = opts.EnableCommandTOC
-		if opts.EnableInteractivePlayground {
-			exampleTemplate = exampleTmpl
-		}
 	}
 	pids := newPackageIDs(pkg, others...)
 
@@ -155,7 +132,7 @@
 		disablePermalinks: disablePermalinks,
 		enableCommandTOC:  enableCommandTOC,
 		docTmpl:           docDataTmpl,
-		exampleTmpl:       exampleTemplate,
+		exampleTmpl:       exampleTmpl,
 		ctx:               ctx,
 	}
 }