diff --git a/biome.json b/biome.json
index 02caffa1..c8ebc01b 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/packages/react-date-picker/src/DateInput.spec.tsx b/packages/react-date-picker/src/DateInput.spec.tsx
index 126acd99..1030b34a 100644
--- a/packages/react-date-picker/src/DateInput.spec.tsx
+++ b/packages/react-date-picker/src/DateInput.spec.tsx
@@ -13,7 +13,7 @@ const hasFullICU = (() => {
     const date = new Date(2018, 0, 1, 21);
     const formatter = new Intl.DateTimeFormat('de-DE', { hour: 'numeric' });
     return formatter.format(date).includes('21');
-  } catch (err) {
+  } catch {
     return false;
   }
 })();
diff --git a/packages/react-date-picker/src/DateInput.tsx b/packages/react-date-picker/src/DateInput.tsx
index cf2e11c1..c21fcdf8 100644
--- a/packages/react-date-picker/src/DateInput.tsx
+++ b/packages/react-date-picker/src/DateInput.tsx
@@ -619,7 +619,7 @@ export default function DateInput({
     );
   }
 
-  function renderYear(currentMatch: string, index: number) {
+  function renderYear(_currentMatch: string, index: number) {
     return (
       <YearInput
         key="year"
diff --git a/packages/react-date-picker/src/DateInput/MonthSelect.tsx b/packages/react-date-picker/src/DateInput/MonthSelect.tsx
index 0d98249f..f6657eb0 100644
--- a/packages/react-date-picker/src/DateInput/MonthSelect.tsx
+++ b/packages/react-date-picker/src/DateInput/MonthSelect.tsx
@@ -47,7 +47,7 @@ export default function MonthSelect({
 
   const maxMonth = safeMin(12, maxDate && isSameYear(maxDate) && getMonthHuman(maxDate));
   const minMonth = safeMax(1, minDate && isSameYear(minDate) && getMonthHuman(minDate));
-  const dates = [...Array(12)].map((el, index) => new Date(2019, index, 1));
+  const dates = [...Array(12)].map((_el, index) => new Date(2019, index, 1));
   const name = 'month';
   const formatter = short ? formatShortMonth : formatMonth;
 
diff --git a/packages/react-date-picker/src/DatePicker.spec.tsx b/packages/react-date-picker/src/DatePicker.spec.tsx
index 2a83ac0b..e500611a 100644
--- a/packages/react-date-picker/src/DatePicker.spec.tsx
+++ b/packages/react-date-picker/src/DatePicker.spec.tsx
@@ -12,7 +12,7 @@ async function waitForElementToBeRemovedOrHidden(callback: () => HTMLElement | n
       await waitFor(() =>
         expect(element).toHaveAttribute('class', expect.stringContaining('--closed')),
       );
-    } catch (error) {
+    } catch {
       await waitForElementToBeRemoved(element);
     }
   }