diff --git a/pom.xml b/pom.xml
index 3c096e9..88282ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,6 +9,8 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -50,10 +52,6 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.liquibase</groupId>
-            <artifactId>liquibase-core</artifactId>
-        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml b/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml
deleted file mode 100644
index 3ce9edc..0000000
--- a/src/main/resources/db.changelog/1.0/2024-10-20--0001-code.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
-                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
-        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
-
-    <changeSet id="2024-10-20--0001-code" author="anepretimov">
-
-        <preConditions onFail="MARK_RAN">
-            <not>
-                <tableExists tableName="code"/>
-            </not>
-        </preConditions>
-
-        <createTable tableName="code">
-            <column name="id"
-                    type="NUMERIC(19,0)"
-                    autoIncrement="true">
-                <constraints primaryKey="true" nullable="false"/>
-            </column>
-
-            <column name="value" type="NUMERIC(19,0)">
-                <constraints nullable="false"/>
-            </column>
-        </createTable>
-
-    </changeSet>
-
-
-</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/1.0/2024-10-20--0002-employee.xml b/src/main/resources/db.changelog/1.0/2024-10-20--0002-employee.xml
deleted file mode 100644
index 2991ba2..0000000
--- a/src/main/resources/db.changelog/1.0/2024-10-20--0002-employee.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
-                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
-        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
-
-    <changeSet id="2024-10-20--0002-employee" author="anepretimov">
-
-        <preConditions onFail="MARK_RAN">
-            <not>
-                <tableExists tableName="employee"/>
-            </not>
-        </preConditions>
-
-        <createTable tableName="employee">
-
-            <column name="id"
-                    type="NUMERIC(19,0)"
-                    autoIncrement="true">
-                <constraints primaryKey="true" nullable="false"/>
-            </column>
-
-            <column name="login" type="VARCHAR(100)">
-                <constraints nullable="false"/>
-            </column>
-
-            <column name="name" type="VARCHAR(100)">
-                <constraints nullable="false"/>
-            </column>
-
-            <column name="photo" type="VARCHAR(100)">
-                <constraints nullable="false"/>
-            </column>
-
-            <column name="position" type="VARCHAR(100)">
-                <constraints nullable="false"/>
-            </column>
-
-            <column name="last_visit" type="TIMESTAMP">
-                <constraints nullable="false"/>
-            </column>
-
-        </createTable>
-
-    </changeSet>
-
-
-</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml b/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml
deleted file mode 100644
index 4d91bcc..0000000
--- a/src/main/resources/db.changelog/data/2024-10-20--0001-code-data.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
-                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
-        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
-
-    <changeSet id="2024-10-20--0001-code-data" author="anepretimov">
-        <loadData tableName="code" file="db.changelog/data/csv/2024-10-20--0001-code-data.csv"
-                  separator=";"
-                  quotchar='"'
-                  encoding="UTF-8"/>
-    </changeSet>
-</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml b/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml
deleted file mode 100644
index 1fb53f5..0000000
--- a/src/main/resources/db.changelog/data/2024-10-20--0002-employee-data.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
-                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
-        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
-
-    <changeSet id="2024-10-20--0002-employee-data" author="anepretimov">
-        <loadData tableName="employee" file="db.changelog/data/csv/2024-10-20--0002-employee-data.csv"
-                  separator=";"
-                  quotchar='"'
-                  encoding="UTF-8"/>
-    </changeSet>
-</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/data/csv/2024-10-20--0001-code-data.csv b/src/main/resources/db.changelog/data/csv/2024-10-20--0001-code-data.csv
deleted file mode 100644
index 72062ec..0000000
--- a/src/main/resources/db.changelog/data/csv/2024-10-20--0001-code-data.csv
+++ /dev/null
@@ -1,6 +0,0 @@
-id;value
-1;1234567890123456789
-2;9223372036854775807
-3;1122334455667788990
-4;998877665544332211
-5;5566778899001122334
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/data/csv/2024-10-20--0002-employee-data.csv b/src/main/resources/db.changelog/data/csv/2024-10-20--0002-employee-data.csv
deleted file mode 100644
index fe39a58..0000000
--- a/src/main/resources/db.changelog/data/csv/2024-10-20--0002-employee-data.csv
+++ /dev/null
@@ -1,5 +0,0 @@
-id;login;name;photo;position;last_visit
-1;pivanov;Иванов Петр Федорович;https://funnyducks.ru/upload/iblock/0cd/0cdeb7ec3ed6fddda0f90fccee05557d.jpg;Разработчик;2024-02-12T08:30:00
-2;ipetrov;Петров Иван Константинович;https://funnyducks.ru/upload/iblock/0cd/0cdeb7ec3ed6fddda0f90fccee05557d.jpg;Аналитик;2024-02-13T08:35:00
-3;asemenov;Семенов Анатолий Анатольевич;https://funnyducks.ru/upload/iblock/0cd/0cdeb7ec3ed6fddda0f90fccee05557d.jpg;Разработчик;2024-02-13T08:31:00
-4;afedorov;Федоров Александр Сергеевич;https://funnyducks.ru/upload/iblock/0cd/0cdeb7ec3ed6fddda0f90fccee05557d.jpg;Тестировщик;2024-02-12T08:36:00
\ No newline at end of file
diff --git a/src/main/resources/db.changelog/db.changelog-master.xml b/src/main/resources/db.changelog/db.changelog-master.xml
deleted file mode 100644
index 5c0ea54..0000000
--- a/src/main/resources/db.changelog/db.changelog-master.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<databaseChangeLog
-        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
-        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd">
-
-    <include file="db.changelog/1.0/2024-10-20--0001-code.xml"/>
-    <include file="db.changelog/1.0/2024-10-20--0002-employee.xml"/>
-
-    <include file="db.changelog/data/2024-10-20--0001-code-data.xml"/>
-    <include file="db.changelog/data/2024-10-20--0002-employee-data.xml"/>
-
-</databaseChangeLog>
\ No newline at end of file