diff --git a/.changeset/perf-underlinepanels-observer.md b/.changeset/perf-underlinepanels-observer.md
new file mode 100644
index 00000000000..dc6cf2a894e
--- /dev/null
+++ b/.changeset/perf-underlinepanels-observer.md
@@ -0,0 +1,7 @@
+---
+'@primer/react': patch
+---
+
+perf(UnderlinePanels): Simplify useResizeObserver usage
+
+Remove unnecessary array dependency parameter from useResizeObserver call.
diff --git a/packages/react/src/experimental/UnderlinePanels/UnderlinePanels.tsx b/packages/react/src/experimental/UnderlinePanels/UnderlinePanels.tsx
index 575593ece7d..ef6975c3d18 100644
--- a/packages/react/src/experimental/UnderlinePanels/UnderlinePanels.tsx
+++ b/packages/react/src/experimental/UnderlinePanels/UnderlinePanels.tsx
@@ -144,19 +144,15 @@ const UnderlinePanels: FCWithSlotMarker<UnderlinePanelsProps> = ({
 
   // when the wrapper resizes, check if the icons should be visible
   // by comparing the wrapper width to the list width
-  useResizeObserver(
-    (resizeObserverEntries: ResizeObserverEntry[]) => {
-      if (!tabsHaveIcons) {
-        return
-      }
+  useResizeObserver((resizeObserverEntries: ResizeObserverEntry[]) => {
+    if (!tabsHaveIcons) {
+      return
+    }
 
-      const wrapperWidth = resizeObserverEntries[0].contentRect.width
+    const wrapperWidth = resizeObserverEntries[0].contentRect.width
 
-      setIconsVisible(wrapperWidth > listWidth)
-    },
-    wrapperRef,
-    [],
-  )
+    setIconsVisible(wrapperWidth > listWidth)
+  }, wrapperRef)
 
   if (__DEV__) {
     const selectedTabs = tabs.filter(tab => {