diff --git a/addons/mrp_subcontracting/__manifest__.py b/addons/mrp_subcontracting/__manifest__.py
index 9895d9df6eb..b01a2bd471a 100644
--- a/addons/mrp_subcontracting/__manifest__.py
+++ b/addons/mrp_subcontracting/__manifest__.py
@@ -161,7 +161,6 @@
             'web/static/src/legacy/legacy_setup.js',
             'web/static/src/legacy/backend_utils.js',
             'web/static/src/legacy/utils.js',
-            'web/static/src/legacy/js/core/dates.js',
             'web/static/src/legacy/js/env.js',
             'web/static/src/legacy/js/owl_compatibility.js',
 
diff --git a/addons/project/__manifest__.py b/addons/project/__manifest__.py
index 08a5ade6ed7..a91408ebbc0 100644
--- a/addons/project/__manifest__.py
+++ b/addons/project/__manifest__.py
@@ -214,7 +214,6 @@
             'web/static/src/legacy/legacy_setup.js',
             'web/static/src/legacy/backend_utils.js',
             'web/static/src/legacy/utils.js',
-            'web/static/src/legacy/js/core/dates.js',
             'web/static/src/legacy/js/env.js',
             'web/static/src/legacy/js/owl_compatibility.js',
 
diff --git a/addons/web/__manifest__.py b/addons/web/__manifest__.py
index bebbad8adc2..fd1ed4c8185 100644
--- a/addons/web/__manifest__.py
+++ b/addons/web/__manifest__.py
@@ -150,7 +150,6 @@ This module provides the core of the Odoo Web Client.
             'web/static/src/legacy/legacy_rpc_error_handler.js',
             'web/static/src/legacy/backend_utils.js',
             'web/static/src/legacy/utils.js',
-            'web/static/src/legacy/js/core/dates.js',
             'web/static/src/legacy/js/env.js',
             'web/static/src/legacy/js/owl_compatibility.js',
 
@@ -267,7 +266,6 @@ This module provides the core of the Odoo Web Client.
             'web/static/src/libs/pdfjs.js',
 
             'web/static/src/legacy/utils.js',
-            'web/static/src/legacy/js/core/dates.js',
             'web/static/src/legacy/js/owl_compatibility.js',
             'web/static/src/legacy/js/public/public_env.js',
             'web/static/src/legacy/js/public/public_root.js',
diff --git a/addons/web/static/src/legacy/js/core/dates.js b/addons/web/static/src/legacy/js/core/dates.js
deleted file mode 100644
index 2504e6cb5e0..00000000000
--- a/addons/web/static/src/legacy/js/core/dates.js
+++ /dev/null
@@ -1,192 +0,0 @@
-/** @odoo-module **/
-
-import time from "@web/legacy/js/core/time";
-import { _t } from "@web/core/l10n/translation";
-
-const { DateTime } = luxon;
-
-function getTimezoneOffset(value) {
-    return luxon.Settings.defaultZone.offset(value.valueOf());
-}
-
-/**
- * Returns a string representing a date.  If the value is false, then we return
- * an empty string. Note that this is dependant on the localization settings
- *
- * @param {Moment|false} value
- * @param {Object} [field]
- *        a description of the field (note: this parameter is ignored)
- * @param {Object} [options] additional options
- * @param {boolean} [options.timezone=true] use the user timezone when formating the
- *        date
- * @returns {string}
- */
-export function formatDate(value, field, options) {
-    if (value === false || isNaN(value)) {
-        return "";
-    }
-    if (field && field.type === 'datetime') {
-        if (!options || !('timezone' in options) || options.timezone) {
-            value = value.clone().add(getTimezoneOffset(value), 'minutes');
-        }
-    }
-    var date_format = time.getLangDateFormat();
-    return value.format(date_format);
-}
-
-/**
- * Returns a string representing a datetime.  If the value is false, then we
- * return an empty string.  Note that this is dependant on the localization
- * settings
- *
- * @params {Moment|false}
- * @param {Object} [field]
- *        a description of the field (note: this parameter is ignored)
- * @param {Object} [options] additional options
- * @param {boolean} [options.timezone=true] use the user timezone when formating the
- *        date
- * @returns {string}
- */
-export function formatDateTime(value, field, options) {
-    if (value === false) {
-        return "";
-    }
-    if (!options || !('timezone' in options) || options.timezone) {
-        value = value.clone().add(getTimezoneOffset(value), 'minutes');
-    }
-    return value.format(time.getLangDatetimeFormat());
-}
-
-/**
- * Smart date inputs are shortcuts to write dates quicker.
- * These shortcuts should respect the format ^[+-]\d+[dmwy]?$
- *
- * e.g.
- *   "+1d" or "+1" will return now + 1 day
- *   "-2w" will return now - 2 weeks
- *   "+3m" will return now + 3 months
- *   "-4y" will return now + 4 years
- *
- * @param {string} value
- * @returns {DateTime|false} luxon DateTime
- */
-function parseSmartDateInput(value) {
-    const units = {
-        d: 'days',
-        m: 'months',
-        w: 'weeks',
-        y: 'years',
-    };
-    const re = new RegExp(`^([+-])(\\d+)([${Object.keys(units).join('')}]?)$`);
-    const match = re.exec(value);
-    if (match) {
-        let date = DateTime.now()
-        const offset = parseInt(match[2], 10);
-        const unit = units[match[3] || 'd'];
-        if (match[1] === '+') {
-            date.plus({[unit]: offset});
-        } else {
-            date.minus({[unit]: offset});
-        }
-        return date;
-    }
-    return false;
-}
-
-/**
- * Create an Date object
- * The method toJSON return the formated value to send value server side
- *
- * @param {string} value
- * @param {Object} [field]
- *        a description of the field (note: this parameter is ignored)
- * @param {Object} [options] additional options
- * @param {boolean} [options.isUTC] the formatted date is utc
- * @param {boolean} [options.timezone=false] format the date after apply the timezone
- *        offset
- * @returns {Moment|false} Moment date object
- */
-export function parseDate(value, field, options) {
-    if (!value) {
-        return false;
-    }
-    var datePattern = time.getLangDateFormat();
-    var datePatternWoZero = time.getLangDateFormatWoZero();
-    var date;
-    const smartDate = parseSmartDateInput(value);
-    if (smartDate) {
-        date = smartDate;
-    } else {
-        if (options && options.isUTC) {
-            value = value.padStart(10, "0"); // server may send "932-10-10" for "0932-10-10" on some OS
-            date = moment.utc(value);
-        } else {
-            date = moment.utc(value, [datePattern, datePatternWoZero, moment.ISO_8601]);
-        }
-    }
-    if (date.isValid()) {
-        if (date.year() === 0) {
-            date.year(moment.utc().year());
-        }
-        if (date.year() >= 1000){
-            date.toJSON = function () {
-                return this.clone().locale('en').format('YYYY-MM-DD');
-            };
-            return date;
-        }
-    }
-    throw new Error(_t("'%s' is not a correct date", value));
-}
-
-/**
- * Create an Date object
- * The method toJSON return the formated value to send value server side
- *
- * @param {string} value
- * @param {Object} [field]
- *        a description of the field (note: this parameter is ignored)
- * @param {Object} [options] additional options
- * @param {boolean} [options.isUTC] the formatted date is utc
- * @param {boolean} [options.timezone=false] format the date after apply the timezone
- *        offset
- * @returns {Moment|false} Moment date object
- */
-export function parseDateTime(value, field, options) {
-    if (!value) {
-        return false;
-    }
-    const datePattern = time.getLangDateFormat();
-    const timePattern = time.getLangTimeFormat();
-    const datePatternWoZero = time.getLangDateFormatWoZero();
-    const timePatternWoZero = time.getLangTimeFormatWoZero();
-    var pattern1 = datePattern + ' ' + timePattern;
-    var pattern2 = datePatternWoZero + ' ' + timePatternWoZero;
-    var datetime;
-    const smartDate = parseSmartDateInput(value);
-    if (smartDate) {
-        datetime = smartDate;
-    } else {
-        if (options && options.isUTC) {
-            value = value.padStart(19, "0"); // server may send "932-10-10" for "0932-10-10" on some OS
-            // phatomjs crash if we don't use this format
-            datetime = moment.utc(value.replace(' ', 'T') + 'Z');
-        } else {
-            datetime = moment.utc(value, [pattern1, pattern2, moment.ISO_8601]);
-            if (options && options.timezone) {
-                datetime.add(-getTimezoneOffset(datetime), 'minutes');
-            }
-        }
-    }
-    if (datetime.isValid()) {
-        if (datetime.year() === 0) {
-            datetime.year(moment.utc().year());
-        }
-        if (datetime.year() >= 1000) {
-            datetime.toJSON = function () {
-                return this.clone().locale('en').format('YYYY-MM-DD HH:mm:ss');
-            };
-            return datetime;
-        }
-    }
-    throw new Error(_t("'%s' is not a correct datetime", value));
-}
diff --git a/addons/web/static/tests/search/search_utils_tests.js b/addons/web/static/tests/search/search_utils_tests.js
index 84b215fcb2c..96267ef00a4 100644
--- a/addons/web/static/tests/search/search_utils_tests.js
+++ b/addons/web/static/tests/search/search_utils_tests.js
@@ -540,31 +540,4 @@ QUnit.module("Search", () => {
             "Quarter term should be translated and notation should be right to left"
         );
     });
-
-    QUnit.skip(
-        "Moment.js localization does not affect formatted domain dates",
-        async function (assert) {
-            patchDate(2020, 5, 1, 13, 0, 0);
-            const initialLocale = moment.locale();
-            moment.defineLocale("addoneForTest", {
-                postformat: function (string) {
-                    return string.replace(/\d/g, (match) => (1 + parseInt(match)) % 10);
-                },
-            });
-            const referenceMoment = moment().locale("addoneForTest");
-            assert.deepEqual(
-                constructDateDomain(referenceMoment, "date_field", "date", [
-                    "this_month",
-                    "this_year",
-                ]),
-                {
-                    domain: `["&", ["date_field", ">=", "2020-06-01"], ["date_field", "<=", "2020-06-30"]]`,
-                    description: "June 3131",
-                },
-                "Numbers in domain should not use addoneForTest locale"
-            );
-            moment.locale(initialLocale);
-            moment.updateLocale("addoneForTest", null);
-        }
-    );
 });
diff --git a/addons/website_slides/__manifest__.py b/addons/website_slides/__manifest__.py
index cd5518948cf..df0dbfe2d3c 100644
--- a/addons/website_slides/__manifest__.py
+++ b/addons/website_slides/__manifest__.py
@@ -153,7 +153,6 @@ Featuring
             'web/static/src/session.js',
             'web/static/src/legacy/js/core/cookie_utils.js',
 
-            'web/static/lib/moment/moment.js',
             'web/static/lib/luxon/luxon.js',
             'web/static/lib/owl/owl.js',
             'web/static/lib/owl/odoo_module.js',
@@ -187,7 +186,6 @@ Featuring
             'web/static/src/legacy/js/libs/autocomplete.js',
             'web/static/src/legacy/js/libs/bootstrap.js',
             'web/static/src/legacy/js/libs/jquery.js',
-            'web/static/src/legacy/js/libs/moment.js',
             'website/static/src/libs/zoomodoo/zoomodoo.js',
             'web/static/src/legacy/js/libs/jSignatureCustom.js',
             'web/static/src/legacy/js/core/ajax.js',