diff --git a/biome.json b/biome.json
index 02caffa10..c8ebc01be 100644
--- a/biome.json
+++ b/biome.json
@@ -12,6 +12,10 @@
       "complexity": {
         "noUselessSwitchCase": "off"
       },
+      "correctness": {
+        "noUnusedImports": "warn",
+        "noUnusedVariables": "warn"
+      },
       "suspicious": {
         "noConsoleLog": "warn"
       }
diff --git a/sample/create-react-app-5/src/Sample.tsx b/sample/create-react-app-5/src/Sample.tsx
index a75b76bb6..b80d46c5e 100644
--- a/sample/create-react-app-5/src/Sample.tsx
+++ b/sample/create-react-app-5/src/Sample.tsx
@@ -66,7 +66,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/sample/next-app/app/Sample.tsx b/sample/next-app/app/Sample.tsx
index 0bfce3064..bd896b64e 100644
--- a/sample/next-app/app/Sample.tsx
+++ b/sample/next-app/app/Sample.tsx
@@ -68,7 +68,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/sample/next-pages/pages/Sample.tsx b/sample/next-pages/pages/Sample.tsx
index c57921cab..1e0a76ebd 100644
--- a/sample/next-pages/pages/Sample.tsx
+++ b/sample/next-pages/pages/Sample.tsx
@@ -64,7 +64,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/sample/parcel2/Sample.tsx b/sample/parcel2/Sample.tsx
index db01b29c5..f50db632c 100644
--- a/sample/parcel2/Sample.tsx
+++ b/sample/parcel2/Sample.tsx
@@ -68,7 +68,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/sample/vite/Sample.tsx b/sample/vite/Sample.tsx
index a75b76bb6..b80d46c5e 100644
--- a/sample/vite/Sample.tsx
+++ b/sample/vite/Sample.tsx
@@ -66,7 +66,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/sample/webpack5/Sample.tsx b/sample/webpack5/Sample.tsx
index a75b76bb6..b80d46c5e 100644
--- a/sample/webpack5/Sample.tsx
+++ b/sample/webpack5/Sample.tsx
@@ -66,7 +66,7 @@ export default function Sample() {
         </div>
         <div className="Example__container__document" ref={setContainerRef}>
           <Document file={file} onLoadSuccess={onDocumentLoadSuccess} options={options}>
-            {Array.from(new Array(numPages), (el, index) => (
+            {Array.from(new Array(numPages), (_el, index) => (
               <Page
                 key={`page_${index + 1}`}
                 pageNumber={index + 1}
diff --git a/test/Test.tsx b/test/Test.tsx
index 1ff9954b0..6fec26667 100644
--- a/test/Test.tsx
+++ b/test/Test.tsx
@@ -292,7 +292,7 @@ export default function Test() {
             <div className="Test__container__content__document">
               {render ? (
                 displayAll ? (
-                  Array.from(new Array(numPages), (el, index) => (
+                  Array.from(new Array(numPages), (_el, index) => (
                     <Page
                       key={`page_${index + 1}`}
                       {...pageProps}
@@ -327,7 +327,7 @@ export default function Test() {
               </div>
             )}
             <div className="Test__container__content__thumbnails">
-              {Array.from(new Array(numPages), (el, index) => (
+              {Array.from(new Array(numPages), (_el, index) => (
                 <Thumbnail
                   key={`thumbnail_${index + 1}`}
                   className="custom-classname-thumbnail"