diff --git a/package/package.json b/package/package.json
index ecd2dc9..96fcd0f 100644
--- a/package/package.json
+++ b/package/package.json
@@ -41,7 +41,6 @@
   "peerDependencies": {
     "@mantine/core": ">=9.0.0",
     "@mantine/hooks": ">=9.0.0",
-    "@tabler/icons-react": "^3.34.0",
     "react": "^18.x || ^19.x",
     "react-dom": "^18.x || ^19.x"
   },
diff --git a/package/src/ControlIcons.tsx b/package/src/ControlIcons.tsx
new file mode 100644
index 0000000..774450d
--- /dev/null
+++ b/package/src/ControlIcons.tsx
@@ -0,0 +1,63 @@
+import React from 'react';
+
+interface ControlIconProps {
+  size?: number;
+}
+
+/**
+ * Inline replicas of the three `@tabler/icons-react` outline icons used by the
+ * window controls (x, plus, minus).
+ *
+ * Inlining them removes `@tabler/icons-react` as a peer dependency and avoids
+ * the `LARGE_BARREL_MODULES` warning that the Rolldown/Vite dependency
+ * optimizer raises when it has to resolve every entry of Tabler's 6000+
+ * re-export barrel module (see issue #39). Geometry and stroke attributes match
+ * the Tabler outline icons 1:1, so the rendered result is unchanged.
+ */
+function ControlIcon({ size = 24, children }: React.PropsWithChildren<ControlIconProps>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width={size}
+      height={size}
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth={2}
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      aria-hidden="true"
+    >
+      {children}
+    </svg>
+  );
+}
+
+/** Close control — replica of `@tabler/icons-react` `IconX` */
+export function IconX({ size }: ControlIconProps) {
+  return (
+    <ControlIcon size={size}>
+      <path d="M18 6l-12 12" />
+      <path d="M6 6l12 12" />
+    </ControlIcon>
+  );
+}
+
+/** Expand control — replica of `@tabler/icons-react` `IconPlus` */
+export function IconPlus({ size }: ControlIconProps) {
+  return (
+    <ControlIcon size={size}>
+      <path d="M12 5l0 14" />
+      <path d="M5 12l14 0" />
+    </ControlIcon>
+  );
+}
+
+/** Collapse control — replica of `@tabler/icons-react` `IconMinus` */
+export function IconMinus({ size }: ControlIconProps) {
+  return (
+    <ControlIcon size={size}>
+      <path d="M5 12l14 0" />
+    </ControlIcon>
+  );
+}
diff --git a/package/src/Window.tsx b/package/src/Window.tsx
index 579b6f8..e59e194 100644
--- a/package/src/Window.tsx
+++ b/package/src/Window.tsx
@@ -18,8 +18,8 @@ import {
   type MantineRadius,
   type MantineShadow,
 } from '@mantine/core';
-import { IconMinus, IconPlus, IconX } from '@tabler/icons-react';
 import React from 'react';
+import { IconMinus, IconPlus, IconX } from './ControlIcons';
 import { useMantineWindow } from './hooks/use-mantine-window';
 import { useResponsiveValue, type ResponsiveValue } from './hooks/use-responsive-value';
 import {
diff --git a/yarn.lock b/yarn.lock
index 601e716..72a9b2c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1561,7 +1561,6 @@ __metadata:
   peerDependencies:
     "@mantine/core": ">=9.0.0"
     "@mantine/hooks": ">=9.0.0"
-    "@tabler/icons-react": ^3.34.0
     react: ^18.x || ^19.x
     react-dom: ^18.x || ^19.x
   languageName: unknown