diff --git a/packages/react-daterange-picker/package.json b/packages/react-daterange-picker/package.json
index fe326057..d862552e 100644
--- a/packages/react-daterange-picker/package.json
+++ b/packages/react-daterange-picker/package.json
@@ -51,7 +51,6 @@
   "dependencies": {
     "clsx": "^2.0.0",
     "make-event-props": "^1.6.0",
-    "prop-types": "^15.6.0",
     "react-calendar": "^4.6.0",
     "react-date-picker": "^10.5.0",
     "react-fit": "^1.7.0"
diff --git a/packages/react-daterange-picker/src/DateRangePicker.tsx b/packages/react-daterange-picker/src/DateRangePicker.tsx
index 03cef899..45d4ed26 100644
--- a/packages/react-daterange-picker/src/DateRangePicker.tsx
+++ b/packages/react-daterange-picker/src/DateRangePicker.tsx
@@ -2,7 +2,6 @@
 
 import { createElement, useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
-import PropTypes from 'prop-types';
 import makeEventProps from 'make-event-props';
 import clsx from 'clsx';
 import Calendar from 'react-calendar';
@@ -10,9 +9,6 @@ import Fit from 'react-fit';
 
 import DateInput from 'react-date-picker/dist/esm/DateInput';
 
-import { isMaxDate, isMinDate, rangeOf } from './shared/propTypes.js';
-
-import type { ReactNodeArray } from 'prop-types';
 import type {
   ClassName,
   CloseReason,
@@ -22,11 +18,8 @@ import type {
   Value,
 } from './shared/types.js';
 
-const isBrowser = typeof document !== 'undefined';
-
 const baseClassName = 'react-daterange-picker';
 const outsideActionEvents = ['mousedown', 'focusin', 'touchstart'] as const;
-const allViews = ['century', 'decade', 'year', 'month'] as const;
 
 const iconProps = {
   xmlns: 'http://www.w3.org/2000/svg',
@@ -58,7 +51,9 @@ const ClearIcon = (
   </svg>
 );
 
-type Icon = React.ReactElement | ReactNodeArray | null | string | number | boolean;
+type ReactNodeLike = React.ReactNode | string | number | boolean | null | undefined;
+
+type Icon = ReactNodeLike | ReactNodeLike[];
 
 type IconOrRenderFunction = Icon | React.ComponentType | React.ReactElement;
 
@@ -686,50 +681,4 @@ const DateRangePicker: React.FC<DateRangePickerProps> = function DateRangePicker
   );
 };
 
-const isValue = PropTypes.oneOfType([PropTypes.string, PropTypes.instanceOf(Date)]);
-
-const isValueOrValueArray = PropTypes.oneOfType([isValue, rangeOf(isValue)]);
-
-DateRangePicker.propTypes = {
-  autoFocus: PropTypes.bool,
-  calendarAriaLabel: PropTypes.string,
-  calendarClassName: PropTypes.oneOfType([PropTypes.string, PropTypes.arrayOf(PropTypes.string)]),
-  calendarIcon: PropTypes.oneOfType([PropTypes.node, PropTypes.func]),
-  className: PropTypes.oneOfType([PropTypes.string, PropTypes.arrayOf(PropTypes.string)]),
-  clearAriaLabel: PropTypes.string,
-  clearIcon: PropTypes.oneOfType([PropTypes.node, PropTypes.func]),
-  closeCalendar: PropTypes.bool,
-  'data-testid': PropTypes.string,
-  dayAriaLabel: PropTypes.string,
-  dayPlaceholder: PropTypes.string,
-  disableCalendar: PropTypes.bool,
-  disabled: PropTypes.bool,
-  format: PropTypes.string,
-  id: PropTypes.string,
-  isOpen: PropTypes.bool,
-  locale: PropTypes.string,
-  maxDate: isMaxDate,
-  maxDetail: PropTypes.oneOf(allViews),
-  minDate: isMinDate,
-  monthAriaLabel: PropTypes.string,
-  monthPlaceholder: PropTypes.string,
-  name: PropTypes.string,
-  nativeInputAriaLabel: PropTypes.string,
-  onCalendarClose: PropTypes.func,
-  onCalendarOpen: PropTypes.func,
-  onChange: PropTypes.func,
-  onFocus: PropTypes.func,
-  openCalendarOnFocus: PropTypes.bool,
-  rangeDivider: PropTypes.node,
-  required: PropTypes.bool,
-  showLeadingZeros: PropTypes.bool,
-  value: isValueOrValueArray,
-  yearAriaLabel: PropTypes.string,
-  yearPlaceholder: PropTypes.string,
-};
-
-if (isBrowser) {
-  DateRangePicker.propTypes.portalContainer = PropTypes.instanceOf(HTMLElement);
-}
-
 export default DateRangePicker;
diff --git a/packages/react-daterange-picker/src/shared/propTypes.ts b/packages/react-daterange-picker/src/shared/propTypes.ts
deleted file mode 100644
index 68037b1d..00000000
--- a/packages/react-daterange-picker/src/shared/propTypes.ts
+++ /dev/null
@@ -1,64 +0,0 @@
-import PropTypes from 'prop-types';
-
-import type { Requireable, Validator } from 'prop-types';
-import type { Range } from './types.js';
-
-export const isMinDate: Validator<Date | null | undefined> = function isMinDate(
-  props,
-  propName,
-  componentName,
-) {
-  const { [propName]: minDate } = props;
-
-  if (!minDate) {
-    return null;
-  }
-
-  if (!(minDate instanceof Date)) {
-    return new Error(
-      `Invalid prop \`${propName}\` of type \`${typeof minDate}\` supplied to \`${componentName}\`, expected instance of \`Date\`.`,
-    );
-  }
-
-  const { maxDate } = props;
-
-  if (maxDate && minDate > maxDate) {
-    return new Error(
-      `Invalid prop \`${propName}\` of type \`${typeof minDate}\` supplied to \`${componentName}\`, minDate cannot be larger than maxDate.`,
-    );
-  }
-
-  return null;
-};
-
-export const isMaxDate: Validator<Date | null | undefined> = function isMaxDate(
-  props,
-  propName,
-  componentName,
-) {
-  const { [propName]: maxDate } = props;
-
-  if (!maxDate) {
-    return null;
-  }
-
-  if (!(maxDate instanceof Date)) {
-    return new Error(
-      `Invalid prop \`${propName}\` of type \`${typeof maxDate}\` supplied to \`${componentName}\`, expected instance of \`Date\`.`,
-    );
-  }
-
-  const { minDate } = props;
-
-  if (minDate && maxDate < minDate) {
-    return new Error(
-      `Invalid prop \`${propName}\` of type \`${typeof maxDate}\` supplied to \`${componentName}\`, maxDate cannot be smaller than minDate.`,
-    );
-  }
-
-  return null;
-};
-
-export const rangeOf = <T>(type: Requireable<T>): Requireable<Range<T>> => {
-  return PropTypes.arrayOf(type) as Requireable<Range<T>>;
-};
diff --git a/sample/package.json b/sample/package.json
index cf8450f5..3120ef59 100644
--- a/sample/package.json
+++ b/sample/package.json
@@ -16,7 +16,6 @@
   "license": "MIT",
   "dependencies": {
     "@wojtekmaj/react-daterange-picker": "latest",
-    "prop-types": "^15.6.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 653e39e8..09de4b8d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1221,7 +1221,6 @@ __metadata:
     make-event-props: "npm:^1.6.0"
     nodemon: "npm:^3.0.0"
     prettier: "npm:^3.2.0"
-    prop-types: "npm:^15.6.0"
     react: "npm:^18.2.0"
     react-calendar: "npm:^4.6.0"
     react-date-picker: "npm:^10.5.0"