diff --git a/src/app/app.ts b/src/app/app.ts
index ed4382b6..9a2bfddc 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -103,8 +103,6 @@ const sourceControlsDownload = document.getElementById('source-controls-download
 const sourceToggle = document.getElementById('source-toggle')!
 const treeControlsToggle = document.getElementById('tree-controls-toggle')!
 const treeControlsMenu = document.getElementById('tree-controls-menu')!
-const treeControlsVersionToggle = document.getElementById('tree-controls-version-toggle')!
-const treeControlsVersionMenu = document.getElementById('tree-controls-version-menu')!
 const treeControlsReset = document.getElementById('tree-controls-reset')!
 const treeControlsUndo = document.getElementById('tree-controls-undo')!
 const treeControlsRedo = document.getElementById('tree-controls-redo')!
@@ -293,13 +291,6 @@ Promise.all([
     }, { capture: true, once: true })
   })
 
-  treeControlsVersionToggle.addEventListener('click', evt => {
-    treeControlsVersionMenu.style.visibility = 'visible'
-    document.body.addEventListener('click', evt => {
-      treeControlsVersionMenu.style.visibility = 'hidden'
-    }, { capture: true, once: true })
-  })
-
   treeControlsReset.addEventListener('click', evt => {
     models[selected].reset(models[selected].schema.default(), true)
     addChecked(treeControlsReset)
diff --git a/src/index.html b/src/index.html
index ff4a3852..7c72fa82 100644
--- a/src/index.html
+++ b/src/index.html
@@ -54,7 +54,6 @@
       <div class="tree" id="tree-view">
         <div class="tree-controls">
           <button class="btn" id="tree-controls-toggle"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path d="M8 9a1.5 1.5 0 100-3 1.5 1.5 0 000 3zM1.5 9a1.5 1.5 0 100-3 1.5 1.5 0 000 3zm13 0a1.5 1.5 0 100-3 1.5 1.5 0 000 3z"></path></svg></button>
-          <button class="btn" id="tree-controls-version-toggle"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M2.5 7.775V2.75a.25.25 0 01.25-.25h5.025a.25.25 0 01.177.073l6.25 6.25a.25.25 0 010 .354l-5.025 5.025a.25.25 0 01-.354 0l-6.25-6.25a.25.25 0 01-.073-.177zm-1.5 0V2.75C1 1.784 1.784 1 2.75 1h5.025c.464 0 .91.184 1.238.513l6.25 6.25a1.75 1.75 0 010 2.474l-5.026 5.026a1.75 1.75 0 01-2.474 0l-6.25-6.25A1.75 1.75 0 011 7.775zM6 5a1 1 0 100 2 1 1 0 000-2z"></path></svg></button>
           <button class="btn" id="tree-controls-reset">
             <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M1.643 3.143L.427 1.927A.25.25 0 000 2.104V5.75c0 .138.112.25.25.25h3.646a.25.25 0 00.177-.427L2.715 4.215a6.5 6.5 0 11-1.18 4.458.75.75 0 10-1.493.154 8.001 8.001 0 101.6-5.684zM7.75 4a.75.75 0 01.75.75v2.992l2.028.812a.75.75 0 01-.557 1.392l-2.5-1A.75.75 0 017 8.25v-3.5A.75.75 0 017.75 4z"></path></svg>
             <span data-i18n="reset"></span>
@@ -70,20 +69,6 @@
             <span data-i18n="redo"></span>
           </button>
         </div>
-        <div class="tree-controls-menu btn-group" id="tree-controls-version-menu">
-          <button class="btn">
-            <span data-i18n="1.16"></span>
-          </button>
-          <button class="btn">
-            <span data-i18n="1.15"></span>
-          </button>
-          <button class="btn">
-            <span data-i18n="1.14"></span>
-          </button>
-          <button class="btn">
-            <span data-i18n="1.13"></span>
-          </button>
-        </div>
         <div id="tree-view-output"></div>
       </div>
       <div class="source" id="source-view">
diff --git a/src/styles/nodes.css b/src/styles/nodes.css
index cdd2c753..f0fbee16 100644
--- a/src/styles/nodes.css
+++ b/src/styles/nodes.css
@@ -83,7 +83,6 @@
 .node-header > label {
   padding: 0 9px;
   line-height: 1.94rem;
-  user-select: none;
   white-space: nowrap;
   background-color: var(--node-background-label);
 }