diff --git a/web/viewer.html b/web/viewer.html
index 50e69d414..1ee1a4c4e 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -244,9 +244,9 @@ See https://github.com/adobe-type-tools/cmap-resources
                 </span>
               </div>
               <div id="toolbarViewerRight" class="toolbarHorizontalGroup">
-                <div id="editorModeButtons" class="toolbarHorizontalGroup" role="radiogroup">
+                <div id="editorModeButtons" class="toolbarHorizontalGroup">
                   <div id="editorComment" class="toolbarButtonWithContainer" hidden="true">
-                    <button id="editorCommentButton" class="toolbarButton" type="button" tabindex="0" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorCommentParamsToolbar" data-l10n-id="pdfjs-editor-comment-button">
+                    <button id="editorCommentButton" class="toolbarButton" type="button" tabindex="0" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorCommentParamsToolbar" data-l10n-id="pdfjs-editor-comment-button">
                       <span data-l10n-id="pdfjs-editor-comment-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden menu" id="editorCommentParamsToolbar">
@@ -268,7 +268,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     </div>
                   </div>
                   <div id="editorSignature" class="toolbarButtonWithContainer" hidden="true">
-                    <button id="editorSignatureButton" class="toolbarButton" type="button" tabindex="0" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorSignatureParamsToolbar" data-l10n-id="pdfjs-editor-signature-button">
+                    <button id="editorSignatureButton" class="toolbarButton" type="button" tabindex="0" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorSignatureParamsToolbar" data-l10n-id="pdfjs-editor-signature-button">
                       <span data-l10n-id="pdfjs-editor-signature-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight menu" id="editorSignatureParamsToolbar">
@@ -280,7 +280,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     </div>
                   </div>
                   <div id="editorHighlight" class="toolbarButtonWithContainer">
-                    <button id="editorHighlightButton" class="toolbarButton" type="button" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorHighlightParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-highlight-button">
+                    <button id="editorHighlightButton" class="toolbarButton" type="button" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorHighlightParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-highlight-button">
                       <span data-l10n-id="pdfjs-editor-highlight-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight" id="editorHighlightParamsToolbar">
@@ -305,7 +305,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     </div>
                   </div>
                   <div id="editorFreeText" class="toolbarButtonWithContainer">
-                    <button id="editorFreeTextButton" class="toolbarButton" type="button" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorFreeTextParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-free-text-button">
+                    <button id="editorFreeTextButton" class="toolbarButton" type="button" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorFreeTextParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-free-text-button">
                       <span data-l10n-id="pdfjs-editor-free-text-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight" id="editorFreeTextParamsToolbar">
@@ -322,7 +322,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     </div>
                   </div>
                   <div id="editorInk" class="toolbarButtonWithContainer">
-                    <button id="editorInkButton" class="toolbarButton" type="button" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorInkParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-ink-button">
+                    <button id="editorInkButton" class="toolbarButton" type="button" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorInkParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-ink-button">
                       <span data-l10n-id="pdfjs-editor-ink-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight" id="editorInkParamsToolbar">
@@ -343,7 +343,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     </div>
                   </div>
                   <div id="editorStamp" class="toolbarButtonWithContainer">
-                    <button id="editorStampButton" class="toolbarButton" type="button" disabled="disabled" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorStampParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-stamp-button">
+                    <button id="editorStampButton" class="toolbarButton" type="button" disabled="disabled" aria-expanded="false" aria-haspopup="true" aria-controls="editorStampParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-stamp-button">
                       <span data-l10n-id="pdfjs-editor-stamp-button-label"></span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight menu" id="editorStampParamsToolbar">