diff --git a/src/common/optionsPrototype.json5 b/src/common/optionsPrototype.json5
index 0854647..b1a74e3 100644
--- a/src/common/optionsPrototype.json5
+++ b/src/common/optionsPrototype.json5
@@ -134,6 +134,11 @@
     context: 'options',
     killSwitchType: 'ignore',
   },
+  'uispacing': {
+    defaultValue: false,
+    context: 'options',
+    killSwitchType: 'option',
+  },
 
   // Experiments:
   'workflows': {
@@ -151,11 +156,6 @@
     context: 'experiments',
     killSwitchType: 'experiment',
   },
-  'uispacing': {
-    defaultValue: false,
-    context: 'experiments',
-    killSwitchType: 'experiment',
-  },
 
   // Internal options:
   'ccdarktheme_switch_enabled': {
diff --git a/src/options/optionsPage.json5 b/src/options/optionsPage.json5
index a5c9ff5..1b4f4d3 100644
--- a/src/options/optionsPage.json5
+++ b/src/options/optionsPage.json5
@@ -44,6 +44,7 @@
         {codename: 'repositionexpandthread', experimental: true},
         {codename: 'imagemaxheight'},
         {codename: 'interopthreadpage'},
+        {codename: 'uispacing'},
       ],
     },
   ],
diff --git a/src/static/options/experiments.html b/src/static/options/experiments.html
index 5eddef5..615d5ec 100644
--- a/src/static/options/experiments.html
+++ b/src/static/options/experiments.html
@@ -16,7 +16,6 @@
         <div class="option"><input type="checkbox" id="workflows"> <label for="workflows" data-i18n="workflows"></label> <button id="manage-workflows" data-i18n="workflows_manage"></button></div>
         <div class="option"><input type="checkbox" id="extrainfo"> <label for="extrainfo" data-i18n="extrainfo"></label></div>
         <div class="option"><input type="checkbox" id="nestedreplies"> <label for="nestedreplies" data-i18n="nestedreplies"></label></div>
-        <div class="option"><input type="checkbox" id="uispacing"> <label for="uispacing" data-i18n="uispacing"></label></div>
         <div class="actions"><button id="save" data-i18n="save"></button></div>
       </form>
       <div id="save-indicator"></div>