diff --git a/src/main/java/org/sadtech/social/core/repository/ContentRepository.java b/src/main/java/org/sadtech/social/core/repository/ContentRepository.java
index 636afb4..c8fc79e 100644
--- a/src/main/java/org/sadtech/social/core/repository/ContentRepository.java
+++ b/src/main/java/org/sadtech/social/core/repository/ContentRepository.java
@@ -32,4 +32,16 @@ public interface ContentRepository<T extends Message> {
 
     List<T> betweenByAddDateTime(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
 
+    /**
+     * Удаляет данные за указанный период
+     *
+     * @param dateFrom Дата начала
+     * @param dateTo   Дата окончания
+     */
+    void deleteAllByAddDateBetween(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
+
+    void deleteAllByAddDateBefore(@NonNull LocalDateTime date);
+
+    void deleteAllByAddDateAfter(@NonNull LocalDateTime date);
+
 }
diff --git a/src/main/java/org/sadtech/social/core/repository/impl/jpa/MailRepositoryJpaImpl.java b/src/main/java/org/sadtech/social/core/repository/impl/jpa/MailRepositoryJpaImpl.java
index 833751f..6accaa1 100644
--- a/src/main/java/org/sadtech/social/core/repository/impl/jpa/MailRepositoryJpaImpl.java
+++ b/src/main/java/org/sadtech/social/core/repository/impl/jpa/MailRepositoryJpaImpl.java
@@ -34,4 +34,19 @@ public class MailRepositoryJpaImpl implements ContentRepository<Mail> {
         return mailRepositoryJpa.findByAddDateBetween(dateFrom, dateTo);
     }
 
+    @Override
+    public void deleteAllByAddDateBetween(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo) {
+        mailRepositoryJpa.deleteAllByAddDateBetween(dateFrom, dateTo);
+    }
+
+    @Override
+    public void deleteAllByAddDateBefore(@NonNull LocalDateTime date) {
+        mailRepositoryJpa.deleteAllByAddDateBefore(date);
+    }
+
+    @Override
+    public void deleteAllByAddDateAfter(@NonNull LocalDateTime date) {
+        mailRepositoryJpa.deleteAllByAddDateAfter(date);
+    }
+
 }
diff --git a/src/main/java/org/sadtech/social/core/repository/impl/local/MailRepositoryList.java b/src/main/java/org/sadtech/social/core/repository/impl/local/MailRepositoryList.java
index 3dd9d6f..7708411 100644
--- a/src/main/java/org/sadtech/social/core/repository/impl/local/MailRepositoryList.java
+++ b/src/main/java/org/sadtech/social/core/repository/impl/local/MailRepositoryList.java
@@ -56,9 +56,23 @@ public class MailRepositoryList implements ContentRepository<Mail> {
         return rezultMails;
     }
 
+    @Override
+    public void deleteAllByAddDateBetween(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo) {
+        mails.removeIf(mail -> dateFrom.isBefore(mail.getAddDate()) && dateTo.isAfter(mail.getAddDate()));
+    }
+
+    @Override
+    public void deleteAllByAddDateBefore(LocalDateTime date) {
+        mails.removeIf(mail -> date.isBefore(mail.getAddDate()));
+    }
+
+    @Override
+    public void deleteAllByAddDateAfter(LocalDateTime date) {
+        mails.removeIf(mail -> date.isAfter(mail.getAddDate()));
+    }
+
     private boolean isTimePeriod(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo, @NonNull LocalDateTime dateTime) {
         return dateFrom.isBefore(dateTime) && dateTo.isAfter(dateTime);
     }
 
-
 }
diff --git a/src/main/java/org/sadtech/social/core/repository/jpa/MailRepositoryJpa.java b/src/main/java/org/sadtech/social/core/repository/jpa/MailRepositoryJpa.java
index dc93f80..d7ee062 100644
--- a/src/main/java/org/sadtech/social/core/repository/jpa/MailRepositoryJpa.java
+++ b/src/main/java/org/sadtech/social/core/repository/jpa/MailRepositoryJpa.java
@@ -17,8 +17,14 @@ import java.util.List;
 @Repository
 public interface MailRepositoryJpa extends JpaRepository<Mail, Integer> {
 
-    List<Mail> findByCreateDateBetween(LocalDateTime from, LocalDateTime to);
+    List<Mail> findByCreateDateBetween(LocalDateTime dateFrom, LocalDateTime dateTo);
 
-    List<Mail> findByAddDateBetween(LocalDateTime from, LocalDateTime to);
+    List<Mail> findByAddDateBetween(LocalDateTime dateFrom, LocalDateTime dateTo);
+
+    void deleteAllByAddDateBetween(LocalDateTime dateFrom, LocalDateTime dateTo);
+
+    void deleteAllByAddDateBefore(LocalDateTime date);
+
+    void deleteAllByAddDateAfter(LocalDateTime date);
 
 }
diff --git a/src/main/java/org/sadtech/social/core/service/MessageService.java b/src/main/java/org/sadtech/social/core/service/MessageService.java
index 9ed2deb..a0644dd 100644
--- a/src/main/java/org/sadtech/social/core/service/MessageService.java
+++ b/src/main/java/org/sadtech/social/core/service/MessageService.java
@@ -18,26 +18,32 @@ public interface MessageService<T extends Message> {
     /**
      * Получить список сообщений за заданный временной интервал
      *
-     * @param timeFrom Начало интервала
-     * @param timeTo   Конец интервала
+     * @param dateFrom Начало интервала
+     * @param dateTo   Конец интервала
      * @return Список сообщений
      */
-    List<T> getByAddDateTime(@NonNull LocalDateTime timeFrom, @NonNull LocalDateTime timeTo);
+    List<T> getByAddDateTime(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
 
     /**
      * Получить список ПОСЛЕДНИХ сообщений для каждого пользователя за заданных временной интервал
      *
-     * @param timeFrom Начало интервала
-     * @param timeTo   Конец интервала
+     * @param dateFrom Начало интервала
+     * @param dateTo   Конец интервала
      * @return Список сообщений
      */
-    List<T> getLastEventByCreateDateTime(@NonNull LocalDateTime timeFrom, @NonNull LocalDateTime timeTo);
+    List<T> getLastEventByCreateDateTime(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
 
-    List<T> getLastEventByAddDateTime(@NonNull LocalDateTime timeFrom, @NonNull LocalDateTime timeTo);
+    List<T> getLastEventByAddDateTime(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
 
     /**
      * Возвращает новые сообщения от последнего запроса.
      */
     List<T> getNewMessage();
 
+    void deleteAllByAddDateBetween(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo);
+
+    void deleteAllByAddDateBefore(@NonNull LocalDateTime date);
+
+    void deleteAllByAddDateAfter(@NonNull LocalDateTime date);
+
 }
diff --git a/src/main/java/org/sadtech/social/core/service/impl/BoardCommentServiceImpl.java b/src/main/java/org/sadtech/social/core/service/impl/BoardCommentServiceImpl.java
deleted file mode 100644
index cdede63..0000000
--- a/src/main/java/org/sadtech/social/core/service/impl/BoardCommentServiceImpl.java
+++ /dev/null
@@ -1,62 +0,0 @@
-package org.sadtech.social.core.service.impl;
-
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.sadtech.social.core.domain.content.BoardComment;
-import org.sadtech.social.core.repository.ContentRepository;
-import org.sadtech.social.core.service.MessageService;
-
-import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-@Slf4j
-@RequiredArgsConstructor
-public class BoardCommentServiceImpl implements MessageService<BoardComment> {
-
-    private final ContentRepository<BoardComment> commentRepository;
-
-    @Override
-    public void add(BoardComment event) {
-        commentRepository.add(event);
-    }
-
-    @Override
-    public List<BoardComment> getByAddDateTime(LocalDateTime timeFrom, LocalDateTime timeTo) {
-        throw new IllegalStateException("Не реализовано");
-    }
-
-    @Override
-    public List<BoardComment> getLastEventByCreateDateTime(LocalDateTime timeFrom, LocalDateTime timeTo) {
-        log.trace("Запрошены последние комментарии к обсуждению {} - {} ", timeFrom, timeTo);
-        List<BoardComment> mails = commentRepository.betweenByCreateDateTime(timeFrom, timeTo);
-        return getBoardComments(mails);
-    }
-
-    @Override
-    public List<BoardComment> getLastEventByAddDateTime(LocalDateTime timeFrom, LocalDateTime timeTo) {
-        log.trace("Запрошены последние комментарии к обсуждению {} - {} ", timeFrom, timeTo);
-        List<BoardComment> mails = commentRepository.betweenByAddDateTime(timeFrom, timeTo);
-        return getBoardComments(mails);
-    }
-
-    @Override
-    public List<BoardComment> getNewMessage() {
-        throw new IllegalStateException("Не реализовано");
-    }
-
-    private List<BoardComment> getBoardComments(List<BoardComment> mails) {
-        Set<Long> people = new HashSet<>();
-        List<BoardComment> returnMails = new ArrayList<>();
-        for (int i = mails.size() - 1; i >= 0; i--) {
-            if (!people.contains(mails.get(i).getPersonId())) {
-                returnMails.add(mails.get(i));
-                people.add(mails.get(i).getPersonId());
-            }
-        }
-        return returnMails;
-    }
-
-}
diff --git a/src/main/java/org/sadtech/social/core/service/impl/MailServiceImpl.java b/src/main/java/org/sadtech/social/core/service/impl/MailServiceImpl.java
index e62e4ee..4cd5bf1 100644
--- a/src/main/java/org/sadtech/social/core/service/impl/MailServiceImpl.java
+++ b/src/main/java/org/sadtech/social/core/service/impl/MailServiceImpl.java
@@ -1,5 +1,6 @@
 package org.sadtech.social.core.service.impl;
 
+import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.sadtech.social.core.domain.content.Mail;
@@ -70,6 +71,21 @@ public class MailServiceImpl implements MailService {
         return lastEventByAddDateTime;
     }
 
+    @Override
+    public void deleteAllByAddDateBetween(@NonNull LocalDateTime dateFrom, @NonNull LocalDateTime dateTo) {
+        mailRepository.deleteAllByAddDateBetween(dateFrom, dateTo);
+    }
+
+    @Override
+    public void deleteAllByAddDateBefore(@NonNull LocalDateTime date) {
+        mailRepository.deleteAllByAddDateBefore(date);
+    }
+
+    @Override
+    public void deleteAllByAddDateAfter(@NonNull LocalDateTime date) {
+        mailRepository.deleteAllByAddDateAfter(date);
+    }
+
     private List<Mail> getReturnMails(List<Mail> mails) {
         Set<Long> people = new HashSet<>();
         List<Mail> returnMails = new ArrayList<>();