diff --git a/core/pom.xml b/core/pom.xml
index c3718bb..6e46c13 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -3,8 +3,8 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
-        <artifactId>jef</artifactId>
         <groupId>jef</groupId>
+        <artifactId>jef</artifactId>
         <version>0.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/core/src/main/java/jef/model/DbField.java b/core/src/main/java/jef/model/DbField.java
index a615a2c..ed12415 100644
--- a/core/src/main/java/jef/model/DbField.java
+++ b/core/src/main/java/jef/model/DbField.java
@@ -73,25 +73,6 @@ public class DbField<T> {
         return entity.getKeys().stream().anyMatch(u -> u.getFields().size() == 1 && u.getFields().get(0) == this);
     }
 
-    public DbField<T> setModelField(boolean modelField) {
-        isModelField = modelField;
-        return this;
-    }
-
-    public DbField<T> setDatabaseField(boolean databaseField) {
-        isDatabaseField = databaseField;
-        return this;
-    }
-
-    public DbField<T> setNotNull(boolean notNull) {
-        this.notNull = notNull;
-        return this;
-    }
-
-    public void setSqlType(String sqlType) {
-        this.sqlType = sqlType;
-    }
-
     public void setGenerated(Generated.Type generated) {
         Check.notNull(generated, "generated");
         this.generated = generated;
diff --git a/migration-creator/src/main/java/jef/model/migration/creator/MigrationBuilderGenerator.java b/migration-creator/src/main/java/jef/model/migration/creator/MigrationBuilderGenerator.java
index 6284737..62c0a1f 100644
--- a/migration-creator/src/main/java/jef/model/migration/creator/MigrationBuilderGenerator.java
+++ b/migration-creator/src/main/java/jef/model/migration/creator/MigrationBuilderGenerator.java
@@ -122,7 +122,6 @@ public class MigrationBuilderGenerator {
     private String addForeignKeyOp(AddForeignKeyOperation op) {
         imports.add(List.class);
         imports.add(ForeignKeyConstraint.class);
-        imports.add(ForeignKeyConstraint.Action.class);
         return "mb.addForeignKey(\"" + op.getName() + "\",\n"
                + "                 \"" + op.getTable() + "\",\n"
                + "                 List.of(" + op.getFields().stream().map(e -> "\"" + e + "\"").collect(Collectors.joining(", ")) + "),\n"
diff --git a/mysql/src/test/java/jef/platform/mysql/migration/MysqlMigrationTest.java b/mysql/src/test/java/jef/platform/mysql/migration/MysqlMigrationTest.java
index 320b9e5..795cb6a 100644
--- a/mysql/src/test/java/jef/platform/mysql/migration/MysqlMigrationTest.java
+++ b/mysql/src/test/java/jef/platform/mysql/migration/MysqlMigrationTest.java
@@ -39,6 +39,7 @@ public class MysqlMigrationTest {
     private static final String GENERATE_MIGRATIONS_FOLDER = "target/test-generated-migrations/";
     private static final String GENERATE_MIGRATIONS_FOLDER_SRC = GENERATE_MIGRATIONS_FOLDER + "src/";
     private static final String GENERATE_MIGRATIONS_FOLDER_TARGET = GENERATE_MIGRATIONS_FOLDER + "target/";
+    private static final String PACKAGE_NAME = MysqlMigrationTest.class.getSimpleName();
 
     @Test
     public void test() throws Exception {
@@ -46,7 +47,7 @@ public class MysqlMigrationTest {
         generateInitialMigration();
         compileInitialMigration();
         Class.forName("com.mysql.cj.jdbc.Driver").getDeclaredConstructor().newInstance();
-        var dboptions = new DatabaseOptions("jdbc:mysql://localhost/test", "test", "password", getClass().getSimpleName(), null);
+        var dboptions = new DatabaseOptions("jdbc:mysql://localhost/test", "test", "password", PACKAGE_NAME, null);
         var ctxoptions = new DbContextOptions(dboptions);
         var conn = DriverManager.getConnection(dboptions.getUrl(), dboptions.getUser(), dboptions.getPassword());
         var sqlPlatform = new MysqlPlatform();
@@ -58,8 +59,8 @@ public class MysqlMigrationTest {
     }
 
     private void clearMigrationFolders() {
-        delRecursive(new File(GENERATE_MIGRATIONS_FOLDER_SRC + "MysqlMigrationTest"));
-        delRecursive(new File(GENERATE_MIGRATIONS_FOLDER_TARGET + "MysqlMigrationTest"));
+        delRecursive(new File(GENERATE_MIGRATIONS_FOLDER_SRC + PACKAGE_NAME));
+        delRecursive(new File(GENERATE_MIGRATIONS_FOLDER_TARGET + PACKAGE_NAME));
     }
 
     private void delRecursive(File f) {
@@ -76,9 +77,9 @@ public class MysqlMigrationTest {
             var sqlPlatform = new MysqlPlatform();
             var from = new ModelBuilder();
             var to = ModelBuilder.from(Ctx.class);
-            var result = new MigrationCreator(sqlPlatform, from, to, "Initial", "MysqlMigrationTest", null).createMigration();
+            var result = new MigrationCreator(sqlPlatform, from, to, "Initial", PACKAGE_NAME, null).createMigration();
 
-            var dir = Path.of(GENERATE_MIGRATIONS_FOLDER_SRC, "MysqlMigrationTest").toFile();
+            var dir = Path.of(GENERATE_MIGRATIONS_FOLDER_SRC, PACKAGE_NAME).toFile();
             dir.mkdirs();
 
             var fileOptions = new OpenOption[]{StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE};
@@ -104,7 +105,7 @@ public class MysqlMigrationTest {
                     "-g", //debug symbols
                     "-d", GENERATE_MIGRATIONS_FOLDER_TARGET //target
             ));
-            Arrays.stream(new File(GENERATE_MIGRATIONS_FOLDER_SRC + "MysqlMigrationTest").listFiles(File::isFile)).map(File::getPath).forEach(params::add);
+            Arrays.stream(new File(GENERATE_MIGRATIONS_FOLDER_SRC + PACKAGE_NAME).listFiles(File::isFile)).map(File::getPath).forEach(params::add);
             var process = new ProcessBuilder()
                     .command(params.toArray(String[]::new))
                     .inheritIO()