diff --git a/src/browser/components/preferences/zen-settings.js b/src/browser/components/preferences/zen-settings.js
index a440185a3..139a7538f 100644
--- a/src/browser/components/preferences/zen-settings.js
+++ b/src/browser/components/preferences/zen-settings.js
@@ -1149,11 +1149,6 @@ Preferences.addAll([
     type: 'bool',
     default: true,
   },
-  {
-    id: 'zen.view.show-newtab-button-border-top',
-    type: 'bool',
-    default: false,
-  },
   {
     id: 'zen.view.show-newtab-button-top',
     type: 'bool',
diff --git a/src/browser/components/preferences/zenLooksAndFeel.inc.xhtml b/src/browser/components/preferences/zenLooksAndFeel.inc.xhtml
index 433581b65..260b08b57 100644
--- a/src/browser/components/preferences/zenLooksAndFeel.inc.xhtml
+++ b/src/browser/components/preferences/zenLooksAndFeel.inc.xhtml
@@ -36,9 +36,6 @@
             data-l10n-id="zen-vertical-tabs-newtab-on-tab-list"
             preference="zen.tabs.show-newtab-vertical"/>
     <vbox class="indent">
-        <checkbox id="zenLooksAndFeelShowTopNewtabBorder"
-                data-l10n-id="zen-vertical-tabs-newtab-top-button-border"
-                preference="zen.view.show-newtab-button-border-top"/>
         <checkbox id="zenLooksAndFeelMoveNewtabToTop"
                 data-l10n-id="zen-vertical-tabs-newtab-top-button-up"
                 preference="zen.view.show-newtab-button-top"/>
diff --git a/src/zen/glance/ZenGlanceManager.mjs b/src/zen/glance/ZenGlanceManager.mjs
index 04bdd04ab..6895a91b2 100644
--- a/src/zen/glance/ZenGlanceManager.mjs
+++ b/src/zen/glance/ZenGlanceManager.mjs
@@ -211,7 +211,7 @@
               {
                 duration: 0.4,
                 type: 'spring',
-                bounce: 0.3,
+                bounce: 0.25,
               }
             )
             .then(() => {
diff --git a/src/zen/tabs/zen-tabs/vertical-tabs.css b/src/zen/tabs/zen-tabs/vertical-tabs.css
index e20386063..af3d4ae61 100644
--- a/src/zen/tabs/zen-tabs/vertical-tabs.css
+++ b/src/zen/tabs/zen-tabs/vertical-tabs.css
@@ -1226,29 +1226,6 @@
     @media -moz-pref('zen.view.show-newtab-button-top') {
       order: -1;
     }
-
-    /* Add a separator line above the button if preferences are set and there are tabs */
-    @media -moz-pref('zen.view.show-newtab-button-border-top') and (not -moz-pref('zen.view.show-newtab-button-top')) {
-      #tabbrowser-arrowscrollbox:has(tab:not([hidden])) & {
-        /* Only if tabs exist */
-        margin-top: 15px; /* Space above */
-        position: relative; /* For pseudo-element */
-        &::before {
-          content: '';
-          display: block;
-          height: 1px;
-          background: light-dark(
-            rgba(1, 1, 1, 0.075),
-            rgba(255, 255, 255, 0.1)
-          ); /* Separator color */
-          width: 98%; /* Near full width */
-          position: absolute;
-          top: -8px; /* Position above the button */
-          left: 50%;
-          transform: translateX(-50%); /* Center horizontally */
-        }
-      }
-    }
   }
 }