diff --git a/frontend/src/Pages/SignIn.jsx b/frontend/src/Pages/SignIn.jsx
index 4e3c51b1..7d1c3f18 100644
--- a/frontend/src/Pages/SignIn.jsx
+++ b/frontend/src/Pages/SignIn.jsx
@@ -2,16 +2,15 @@
 import React, { useState, useRef, useEffect } from 'react';
 import axios from 'axios';
 import {
+  Alert,
   Button,
   Card,
   Col,
   Container,
   Form,
   Row,
-  Alert,
 } from 'react-bootstrap';
 import { object } from 'yup';
-
 import { useFormik } from 'formik';
 import { useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
@@ -93,10 +92,7 @@ function SignIn() {
                       id="email"
                       autoComplete="email"
                       required
-                      isInvalid={
-                        (formik.touched.email && t(formik.errors.email)) ||
-                        authFailed
-                      }
+                      isInvalid={formik.touched.email && formik.errors.email}
                       ref={inputRef}
                     />
                     <Form.Control.Feedback type="invalid">
diff --git a/frontend/src/Pages/SignUp.jsx b/frontend/src/Pages/SignUp.jsx
index 92f49e57..42232a3c 100644
--- a/frontend/src/Pages/SignUp.jsx
+++ b/frontend/src/Pages/SignUp.jsx
@@ -1,5 +1,5 @@
 /* eslint-disable no-console */
-import React, { useEffect, useRef, useState } from 'react';
+import React, { useEffect, useRef } from 'react';
 import { useNavigate } from 'react-router-dom';
 import axios from 'axios';
 import { object } from 'yup';
@@ -25,7 +25,6 @@ function SignUp() {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const auth = useAuth();
-  const [regFailed, setRegFailed] = useState(false);
 
   useEffect(() => {
     emailRef.current.focus();
@@ -62,15 +61,14 @@ function SignUp() {
           err.response?.status === 400 &&
           Array.isArray(err.response?.data?.errs?.message)
         ) {
-          setRegFailed(true);
           err.response.data.errs.message.forEach((e) => {
             switch (e) {
               case 'loginIsUsed':
-                formik.errors.login = 'signUp.validation.loginIsUsed';
+                formik.errors.login = 'errors.validation.loginIsUsed';
                 loginRef.current.select();
                 break;
               case 'emailIsUsed':
-                formik.errors.email = 'signUp.validation.emailIsUsed';
+                formik.errors.email = 'errors.validation.emailIsUsed';
                 emailRef.current.select();
                 break;
               default:
@@ -105,18 +103,14 @@ function SignUp() {
                       onBlur={formik.handleBlur}
                       className={`form-input bg-dark text-white ${classes.signUpInput}`}
                       name="email"
-                      isInvalid={
-                        (formik.touched.email && t(formik.errors.email)) ||
-                        regFailed
-                      }
                       id="email"
                       autoComplete="email"
                       required
+                      isInvalid={formik.touched.email && formik.errors.email}
                       ref={emailRef}
                     />
                     <Form.Control.Feedback type="invalid">
-                      {(formik.touched.email && t(formik.errors.email)) ||
-                        regFailed}
+                      {t(formik.errors.email)}
                     </Form.Control.Feedback>
                   </Form.Group>
 
@@ -133,13 +127,11 @@ function SignUp() {
                       id="login"
                       autoComplete="username"
                       required
-                      isInvalid={
-                        (formik.touched.login && t(formik.errors.login)) ||
-                        regFailed
-                      }
+                      isInvalid={formik.touched.login && formik.errors.login}
+                      ref={loginRef}
                     />
                     <Form.Control.Feedback type="invalid">
-                      {formik.errors.login ? t(formik.errors.login) : regFailed}
+                      {t(formik.errors.login)}
                     </Form.Control.Feedback>
                   </Form.Group>
 
@@ -158,15 +150,11 @@ function SignUp() {
                       autoComplete="new-password"
                       required
                       isInvalid={
-                        (formik.touched.password &&
-                          t(formik.errors.password)) ||
-                        regFailed
+                        formik.touched.password && formik.errors.password
                       }
                     />
                     <Form.Control.Feedback type="invalid">
-                      {formik.errors.password
-                        ? t(formik.errors.password)
-                        : regFailed}
+                      {t(formik.errors.password)}
                     </Form.Control.Feedback>
                   </Form.Group>
                   <Form.Group className={classes.formGroup}>
@@ -184,15 +172,12 @@ function SignUp() {
                       autoComplete="new-password"
                       required
                       isInvalid={
-                        (formik.touched.confirmPassword &&
-                          t(formik.errors.confirmPassword)) ||
-                        regFailed
+                        formik.touched.confirmPassword &&
+                        formik.errors.confirmPassword
                       }
                     />
                     <Form.Control.Feedback type="invalid">
-                      {formik.errors.confirmPassword
-                        ? t(formik.errors.confirmPassword)
-                        : t('signUp.signUpFailed')}
+                      {t(formik.errors.confirmPassword)}
                     </Form.Control.Feedback>
                   </Form.Group>
                   <Button
diff --git a/frontend/src/locales/en.js b/frontend/src/locales/en.js
index e9c721fb..4e27d89d 100644
--- a/frontend/src/locales/en.js
+++ b/frontend/src/locales/en.js
@@ -176,11 +176,6 @@ const enLocales = {
     infoBody: 'Log in to save and share.',
     cancelButton: 'Cancel',
     goToReplButton: 'Go to this replay',
-    validation: {
-      snippetNameMaxLength: 'No more than 20 characters',
-      required: `Can't be empty`,
-      singleWord: 'Allowed latin letters, numbers and symbols"-_"',
-    },
 
     appRotes: {
       pageNotFound: 'Page not found',
@@ -190,13 +185,14 @@ const enLocales = {
       network: 'Network error',
       validation: {
         requiredField: 'Required field',
-        correctEmail: 'Incorrect email',
-        correctUsername: 'There must be no spaces in the username',
+        incorrectEmail: 'Incorrect email',
+        emailIsUsed: 'This email address is already being used',
+        incorrectUsername: 'There must be no spaces in the username',
+        loginIsUsed: 'This username is already taken',
         usernameLength: 'From 3 to 16 characters',
         passwordLength: 'from 8 to 30 characters',
         confirmPassword: 'Passwords must be the same',
         snippetNameMaxLength: 'No more than 20 characters',
-        required: `Can't be empty`,
         singleWord: 'Allowed latin letters, numbers and symbols"-_"',
       },
     },
diff --git a/frontend/src/locales/ru.js b/frontend/src/locales/ru.js
index 06412fd7..ed6516ed 100644
--- a/frontend/src/locales/ru.js
+++ b/frontend/src/locales/ru.js
@@ -37,16 +37,6 @@ const ruLocales = {
         signInHeader: 'Уже есть аккаунт? ',
         signIn: 'Войти',
       },
-      validation: {
-        requiredField: 'Обязательное поле',
-        correctUsername: 'В логине не должно быть пробелов',
-        correctEmail: 'Некорректная электронная почта',
-        usernameLength: 'От 3 до 16 символов',
-        passwordLength: 'От 8 до 30 символов',
-        confirmPassword: 'Пароли должны совпадать',
-        loginIsUsed: 'Это имя уже занято',
-        emailIsUsed: 'Этот адрес уже зарегистрирован',
-      },
     },
     remindPass: {
       pageHeader: 'Забыли пароль?',
@@ -58,9 +48,6 @@ const ruLocales = {
         signInHeader: 'Уже есть аккаунт? ',
         signIn: 'Войти',
       },
-      validation: {
-        correctEmail: 'Некорректный email',
-      },
     },
     signIn: {
       pageHeader: 'Вход',
@@ -73,10 +60,6 @@ const ruLocales = {
         signUpHeader: 'Нет аккаунта? ',
         signUp: 'Создать аккаунт',
       },
-      validation: {
-        requiredField: 'Обязательное поле',
-        correctEmail: 'Некорректная электронная почта',
-      },
       withGithub: 'Войти с помощью Github',
     },
     profile: {
@@ -206,11 +189,6 @@ const ruLocales = {
       infoBody: 'Авторизуйтесь, чтобы сохранять и делиться.',
       cancelButton: 'Отмена',
       goToReplButton: 'Перейти к этому реплу',
-      validation: {
-        snippetNameMaxLength: 'Не больше 20 символов',
-        required: 'Не может быть пустым',
-        singleWord: 'Допустимы буквы латинского алфавита, цифры и символы "-_"',
-      },
     },
     appRotes: {
       pageNotFound: 'Страница не найдена',
@@ -220,13 +198,14 @@ const ruLocales = {
       network: 'Ошибка сети',
       validation: {
         requiredField: 'Обязательное поле',
-        correctEmail: 'Некорректная электронная почта',
-        correctUsername: 'В логине не должно быть пробелов',
+        incorrectEmail: 'Некорректная электронная почта',
+        emailIsUsed: 'Этот адрес уже зарегистрирован',
+        incorrectUsername: 'В логине не должно быть пробелов',
+        loginIsUsed: 'Это имя уже занято',
         usernameLength: 'От 3 до 16 символов',
         passwordLength: 'От 8 до 30 символов',
         confirmPassword: 'Пароли должны совпадать',
         snippetNameMaxLength: 'Не больше 20 символов',
-        required: 'Не может быть пустым',
         singleWord: 'Допустимы буквы латинского алфавита, цифры и символы "-_"',
       },
     },
diff --git a/frontend/src/utils/validationSchemas.js b/frontend/src/utils/validationSchemas.js
index b44580c9..cfa0fde7 100644
--- a/frontend/src/utils/validationSchemas.js
+++ b/frontend/src/utils/validationSchemas.js
@@ -1,38 +1,37 @@
-import { t } from 'i18next';
 import { string } from 'yup';
 
 export const login = () =>
   string()
     .trim()
-    .required(t('errors.validation.requiredField'))
-    .min(3, t('errors.validation.usernameLength'))
-    .max(16, t('errors.validation.usernameLength'))
-    .matches(/^[\w\S]*$/, t('errors.validation.correctUsername'));
+    .required('errors.validation.requiredField')
+    .min(3, 'errors.validation.usernameLength')
+    .max(16, 'errors.validation.usernameLength')
+    .matches(/^[\w\S]*$/, 'errors.validation.incorrectUsername');
 
 export const email = () =>
   string()
     .trim()
-    .required(t('errors.validation.requiredField'))
-    .email(t('errors.validation.correctEmail'));
+    .required('errors.validation.requiredField')
+    .email('errors.validation.incorrectEmail');
 
 export const password = () =>
   string()
     .trim()
-    .required(t('errors.validation.correctEmail'))
-    .min(8, t('errors.validation.passwordLength'))
-    .max(30, t('errors.validation.passwordLength'));
+    .required('errors.validation.requiredField')
+    .min(8, 'errors.validation.passwordLength')
+    .max(30, 'errors.validation.passwordLength');
 
 export const confirmPassword = () =>
   string()
     .trim()
     .test(
       'confirmPassword',
-      t('errors.validation.confirmPassword'),
+      'errors.validation.confirmPassword',
       (value, context) => value === context.parent.password,
     );
 
 export const replName = () =>
   string()
-    .required(t('errors.validation.required'))
-    .max(20, t('errors.validation.snippetNameMaxLength'))
-    .matches(/^[a-zA-Z0-9_-]*$/, t('errors.validation.singleWord'));
+    .required('errors.validation.requiredField')
+    .max(20, 'errors.validation.snippetNameMaxLength')
+    .matches(/^[a-zA-Z0-9_-]*$/, 'errors.validation.singleWord');