diff --git a/crates/ui/src/components/tab.rs b/crates/ui/src/components/tab.rs
index 8b7d5bbdd4..71736c46ba 100644
--- a/crates/ui/src/components/tab.rs
+++ b/crates/ui/src/components/tab.rs
@@ -122,9 +122,15 @@ impl RenderOnce for Tab {
         };
 
         let (start_slot, end_slot) = {
-            let start_slot = h_flex().size_3().justify_center().children(self.start_slot);
+            let start_slot = h_flex()
+                .size(px(12.)) // use px over rem from size_3
+                .justify_center()
+                .children(self.start_slot);
 
-            let end_slot = h_flex().size_3().justify_center().children(self.end_slot);
+            let end_slot = h_flex()
+                .size(px(12.)) // use px over rem from size_3
+                .justify_center()
+                .children(self.end_slot);
 
             match self.close_side {
                 TabCloseSide::End => (start_slot, end_slot),
@@ -148,7 +154,7 @@ impl RenderOnce for Tab {
                     if self.selected {
                         this.border_l_1().border_r_1().pb_px()
                     } else {
-                        this.pr_px().pl_px().border_b_1().border_r_1()
+                        this.pr_px().border_b_1().border_r_1()
                     }
                 }
                 TabPosition::Middle(Ordering::Equal) => this.border_l_1().border_r_1().pb_px(),
diff --git a/crates/workspace/src/pane.rs b/crates/workspace/src/pane.rs
index a3090e5383..19a5e408b8 100644
--- a/crates/workspace/src/pane.rs
+++ b/crates/workspace/src/pane.rs
@@ -2661,12 +2661,12 @@ impl Pane {
                     tab_bar
                 }
             })
-            .children(pinned_tabs.len().ne(&0).then(|| {
-                h_flex()
-                    .children(pinned_tabs)
-                    .border_r_2()
-                    .border_color(cx.theme().colors().border)
-            }))
+            .children(
+                pinned_tabs
+                    .len()
+                    .ne(&0)
+                    .then(|| h_flex().children(pinned_tabs)),
+            )
             .child(
                 h_flex()
                     .id("unpinned tabs")