diff --git a/src/toolbar.js b/src/toolbar.js
index 37c75c7..b6595c9 100644
--- a/src/toolbar.js
+++ b/src/toolbar.js
@@ -286,7 +286,15 @@ export class Toolbar {
       .replace(/\son\w+\s*=\s*["'][^"']*["']/gi, '')
       .replace(/\son\w+\s*=\s*[^\s>]*/gi, '');
 
-    return cleaned;
+    const template = document.createElement('template');
+    template.innerHTML = cleaned;
+
+    template.content.querySelectorAll('svg').forEach(icon => {
+      icon.setAttribute('aria-hidden', 'true');
+      icon.setAttribute('focusable', 'false');
+    });
+
+    return template.innerHTML;
   }
 
   /**
diff --git a/test/toolbar.test.js b/test/toolbar.test.js
index 0c58742..ada5829 100644
--- a/test/toolbar.test.js
+++ b/test/toolbar.test.js
@@ -121,6 +121,13 @@ console.log('━'.repeat(50));
     'Toolbar item semantics',
     'Expected toggle state only on toggle buttons and separators outside tab order'
   );
+  assert(
+    Array.from(toolbar.querySelectorAll('.overtype-toolbar-button svg')).every(icon =>
+      icon.getAttribute('aria-hidden') === 'true' && icon.getAttribute('focusable') === 'false'
+    ),
+    'Toolbar icons are decorative',
+    'Expected every toolbar SVG icon to be hidden from assistive technology and removed from SVG focus'
+  );
 
   editor.destroy();
 })();