diff --git a/src/browser/base/content/zen-styles/zen-browser-container.css b/src/browser/base/content/zen-styles/zen-browser-container.css
index b165cd293..d340d0d3e 100644
--- a/src/browser/base/content/zen-styles/zen-browser-container.css
+++ b/src/browser/base/content/zen-styles/zen-browser-container.css
@@ -5,7 +5,6 @@
     position: relative;
 
     box-shadow: 0 0 1px 1px light-dark(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5));
-    border-radius: var(--zen-border-radius);
     overflow: hidden;
     margin: 1px;
     
diff --git a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
index 27d44e825..274251320 100644
--- a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
+++ b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
@@ -508,13 +508,6 @@
     --zen-toolbox-max-width: calc(var(--tab-min-width) + var(--zen-toolbox-padding) * 2);
     max-width: var(--zen-toolbox-max-width) !important;
     min-width: var(--zen-toolbox-max-width) !important;
-    --zen-tabbar-offset: 1px; /* Fix the tabbar offset, because there's a shadow */
-    &[zen-right-side='true'] {
-      margin-left: var(--zen-tabbar-offset);
-    }
-    &:not([zen-right-side='true']) {
-      margin-right: var(--zen-tabbar-offset);
-    }
     & #zen-current-workspace-indicator-name,
     & .toolbarbutton-text {
       display: none !important;