diff --git a/kontor-api/src/apis/version1/metadata.py b/kontor-api/src/apis/version1/metadata.py
deleted file mode 100644
index 2860880..0000000
--- a/kontor-api/src/apis/version1/metadata.py
+++ /dev/null
@@ -1,26 +0,0 @@
-from typing import List
-
-from fastapi import APIRouter
-
-from src.apis.utils import SessionDep
-from src.db.models.metadata import MetaDataTable, MetaDataColumn
-from src.db.repository.metadata import get_tables, get_columns
-from src.schema.admin import MetaDataTableResponse, MetaDataColumnResponse
-
-router = APIRouter()
-
-
-
-@router.get("/tables")
-def get_meta_data_tables(db: SessionDep) -> List[MetaDataTableResponse]:
-    tables = db.query(MetaDataTable).all()
-    response: List[MetaDataTableResponse] = get_tables(tables)
-    return response
-
-
-
-@router.get("/columns")
-def get_meta_data_columns(db: SessionDep) -> List[MetaDataColumnResponse]:
-    columns = db.query(MetaDataColumn).all()
-    response: List[MetaDataColumnResponse] = get_columns(columns)
-    return response
diff --git a/kontor-api/src/db/models/metadata.py b/kontor-api/src/db/models/metadata.py
deleted file mode 100644
index 466ae19..0000000
--- a/kontor-api/src/db/models/metadata.py
+++ /dev/null
@@ -1,39 +0,0 @@
-from sqlalchemy import Column, String, ForeignKey, Integer, Boolean
-from sqlalchemy.orm import relationship
-
-from src.db.models.base import Base, BaseMixin
-
-
-class MetaDataTable(Base, BaseMixin):
-    __tablename__ = 'meta_data_table'
-    table_name = Column(String, unique=True)
-    table_columns = relationship("MetaDataColumn")
-
-    def __repr__(self):
-        return f'MetaDataTable({self.id} {self.table_name})'
-
-    def __str__(self):
-        return f'{self.table_name}({self.id})'
-
-
-class MetaDataColumn(Base, BaseMixin):
-    __tablename__ = 'meta_data_column'
-    column_name = Column(String, nullable=False)
-    column_type = Column(String)
-    column_order = Column(Integer)
-    is_shown = Column(Boolean)
-    column_label = Column(String)
-    show_filter = Column(Boolean)
-    filter_label = Column(String)
-    ref_column = Column(String, nullable=True)
-    table_id = Column(String, ForeignKey('meta_data_table.id'))
-    table = relationship("MetaDataTable", back_populates="table_columns")
-
-    def __repr__(self):
-        if self.column_name is None:
-            return f'MetaDataColumn({self.id} {self.table.table_name}.__)'
-        else:
-            return f'MetaDataColumn({self.id} {self.table.table_name}.{self.column_name})'
-
-    def __str__(self):
-        return f'{self.column_name}({self.id})'
diff --git a/kontor-api/src/db/repository/metadata.py b/kontor-api/src/db/repository/metadata.py
deleted file mode 100644
index 7e19330..0000000
--- a/kontor-api/src/db/repository/metadata.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from typing import List
-
-from src.db.models.metadata import MetaDataTable, MetaDataColumn
-from src.schema.admin import MetaDataTableResponse, MetaDataColumnResponse
-
-
-def get_tables(tables: List[MetaDataTable]) -> List[MetaDataTableResponse]:
-    results: List[MetaDataTableResponse] = []
-    for table in tables:
-        result = MetaDataTableResponse(id=table.id, name=table.table_name)
-        results.append(result)
-    return results
-
-def get_columns(columns: List[MetaDataColumn]) -> List[MetaDataColumnResponse]:
-    results: List[MetaDataColumnResponse] = []
-    for column in columns:
-        result = MetaDataColumnResponse(
-            id=column.id,
-            table_name=column.table.table_name,
-            column_name=column.column_name,
-            column_type=column.column_type,
-            column_order=column.column_order,
-            is_shown=column.is_shown,
-            column_label=column.column_label,
-            show_filter=column.show_filter,
-            filter_label=column.filter_label,
-            ref_column=column.ref_column
-        )
-        results.append(result)
-    return results
diff --git a/kontor-api/src/schema/admin.py b/kontor-api/src/schema/admin.py
index 25beb3c..5efe689 100644
--- a/kontor-api/src/schema/admin.py
+++ b/kontor-api/src/schema/admin.py
@@ -6,21 +6,3 @@ from pydantic import BaseModel
 class Token(BaseModel):
     access_token: str
     token_type: str
-
-class MetaDataTableResponse(BaseModel):
-    id: str
-    name: str
-
-class MetaDataColumnResponse(BaseModel):
-    id: str
-    table_name: str
-    column_name: str
-    column_sync_name: str
-    column_type: str
-    column_modifier: Optional[str]
-    column_order: int
-    is_shown: bool
-    column_label: Optional[str]
-    show_filter: bool
-    filter_label: Optional[str]
-    ref_column: Optional[str]
diff --git a/kontor-api/src/templates/admin/metadata.html b/kontor-api/src/templates/admin/metadata.html
deleted file mode 100644
index ca93b0b..0000000
--- a/kontor-api/src/templates/admin/metadata.html
+++ /dev/null
@@ -1,21 +0,0 @@
-{% extends "shared/base.html" %}
-
-{% block title %}
-  <title>MetaData</title>
-{% endblock %}
-
-{% block content %}
-  {% with msg=msg %}
-    {% include "components/alerts.html" %}
-  {% endwith %}
-  <div class="container">
-    {% for table in data %}
-    <div class="row">
-        {% with obj=table %}
-      	  {% include "components/metadatatable_cards.html" %}
-        {% endwith %}
-      <br>
-    </div>
-    {% endfor %}
-  </div>
-{% endblock %}
diff --git a/kontor-api/src/templates/components/metadatatable_cards.html b/kontor-api/src/templates/components/metadatatable_cards.html
deleted file mode 100644
index be3c534..0000000
--- a/kontor-api/src/templates/components/metadatatable_cards.html
+++ /dev/null
@@ -1,31 +0,0 @@
-<div class="card shadow p-3 mb-2 bg-body rounded">
-  <div class="card-body">
-    <h5 class="card-title">{{obj.table_name}}</h5>
-    <table class="table table-hover">
-      <thead><tr>
-        <th scope="col">Column Name</th>
-        <th scope="col">Column Type</th>
-        <th scope="col">Column Order</th>
-        <th scope="col">Is Shown</th>
-        <th scope="col">Column Label</th>
-        <th scope="col">Show Filter</th>
-        <th scope="col">Filter Label</th>
-        <th scope="col">Ref Column</th>
-      </tr></thead>
-      <tbody>
-        {% for column in obj.table_columns %}
-        <tr>
-           <th scope="row"><a href="/admin/metadata/{{column.id}}">{{column.column_name}}</a></th>
-           <td>{{column.column_type}}</td>
-           <td>{{column.column_order}}</td>
-           <td>{% with check=column.is_shown %}{% include "components/check.html" %}{% endwith %}</td>
-           <td>{{column.column_label}}</td>
-           <td>{% with check=column.show_filter %}{% include "components/check.html" %}{% endwith %}</td>
-           <td>{{column.filter_label}}</td>
-           <td>{{column.ref_column}}</td>
-        </tr>
-        {% endfor %}
-      </tbody>
-    </table>
-  </div>
-</div>
diff --git a/kontor-api/src/webapps/comic/route_comics.py b/kontor-api/src/webapps/comic/route_comics.py
index f099ac7..7b74d6d 100644
--- a/kontor-api/src/webapps/comic/route_comics.py
+++ b/kontor-api/src/webapps/comic/route_comics.py
@@ -1,6 +1,5 @@
 from fastapi import APIRouter, Form, Request, status
 from fastapi.templating import Jinja2Templates
-from fastapi.responses import RedirectResponse
 
 from src.apis.utils import SessionDep
 from src.db.models.comic import Comic, Publisher, Issue
@@ -10,11 +9,6 @@ from src.db.repository.comics.comic import update_comic
 from src.schema.comics.comic import ComicSchema
 from src.webapps.comic.forms.comic import ValidateComicForm
 
-from src.db.repository.comic import create_new_worktype, update_worktype
-from src.main import logger
-from src.schema.comics.worktype import AddWorkType
-from src.webapps.comic.forms import AddWorktypeForm
-
 templates = Jinja2Templates(directory="src/templates")
 router = APIRouter(include_in_schema=True, prefix="/comic")
 
diff --git a/kontor-scripts/db/models/admin.py b/kontor-scripts/db/models/admin.py
index 3ffc7df..9c304a6 100644
--- a/kontor-scripts/db/models/admin.py
+++ b/kontor-scripts/db/models/admin.py
@@ -143,6 +143,16 @@ class Assignment(Base, BaseMixin):
         self.module_name = import_data['module_name']
         self.import_data = import_data['import_data']
 
+    def export_dict(self) -> Dict[AnyStr, Any]:
+        item: Dict[AnyStr, Any] = {}
+        item['id'] = self.id
+        item['created_date'] = str(self.created_date)
+        item['last_modified_date'] = str(self.last_modified_date)
+        item['version'] = self.version
+        item['module_name'] = self.module_name
+        item['import_data'] = self.import_data
+        return item
+
 
 class MailAccount(Base, BaseMixin):
     __tablename__ = "mail_account"
diff --git a/kontor-scripts/db/models/comic.py b/kontor-scripts/db/models/comic.py
index 7d9e256..6f4df9f 100644
--- a/kontor-scripts/db/models/comic.py
+++ b/kontor-scripts/db/models/comic.py
@@ -243,6 +243,20 @@ class Issue(Base, BaseMixin):
         self.volume_id = import_data['volume_id']
         self.story_arc_id = import_data['story_arc_id']
 
+    def export_dict(self) -> Dict[AnyStr, Any]:
+        item: Dict[AnyStr, Any] = {}
+        item['id'] = self.id
+        item['created_date'] = str(self.created_date)
+        item['last_modified_date'] = str(self.last_modified_date)
+        item['version'] = self.version
+        item['issue_number'] = self.issue_number
+        item['in_stock'] = self.in_stock
+        item['is_read'] = self.is_read
+        item['comic_id'] = self.comic_id
+        item['volume_id'] = self.volume_id
+        item['story_arc_id'] = self.story_arc_id
+        return item
+
 
 class Artist(Base, BaseMixin):
     __tablename__ = "artist"
@@ -280,6 +294,16 @@ class Artist(Base, BaseMixin):
         if 'weblink' in import_data:
             self.weblink = import_data['weblink']
 
+    def export_dict(self) -> Dict[AnyStr, Any]:
+        item: Dict[AnyStr, Any] = {}
+        item['id'] = self.id
+        item['created_date'] = str(self.created_date)
+        item['last_modified_date'] = str(self.last_modified_date)
+        item['version'] = self.version
+        item['name'] = self.name
+        item['weblink'] = self.weblink
+        return item
+
 
 class WorkType(Base, BaseMixin):
     __tablename__ = "worktype"
diff --git a/kontor-scripts/db/models/media.py b/kontor-scripts/db/models/media.py
index dc9af54..dc8311f 100644
--- a/kontor-scripts/db/models/media.py
+++ b/kontor-scripts/db/models/media.py
@@ -116,6 +116,15 @@ class MediaActor(Base, BaseMixin):
         item['name'] = self.name
         return item
 
+    def export_dict(self) -> Dict[AnyStr, Any]:
+        item: Dict[AnyStr, Any] = {}
+        item['id'] = self.id
+        item['created_date'] = str(self.created_date)
+        item['last_modified_date'] = str(self.last_modified_date)
+        item['version'] = self.version
+        item['name'] = self.name
+        return item
+
 
 class MediaActorFile(Base, BaseMixin):
     __tablename__ = 'media_actor_file'
diff --git a/kontor-scripts/db/models/metadata.py b/kontor-scripts/db/models/metadata.py
deleted file mode 100644
index eba8281..0000000
--- a/kontor-scripts/db/models/metadata.py
+++ /dev/null
@@ -1,62 +0,0 @@
-from typing import Any, AnyStr, Dict
-from sqlalchemy import Column, String, ForeignKey, Integer, Boolean
-from sqlalchemy.orm import relationship
-
-from db.models.base import Base, BaseMixin
-
-
-class MetaDataTable(Base, BaseMixin):
-    __tablename__ = 'meta_data_table'
-    table_name = Column(String, unique=True)
-    table_columns = relationship("MetaDataColumn")
-
-    def __repr__(self):
-        return f'MetaDataTable({self.id} {self.table_name})'
-
-    def __str__(self):
-        return f'{self.table_name}({self.id})'
-
-    def import_dict(self, import_data: Dict[AnyStr, Any]):
-        self.id = import_data['id']
-        self.created_date = import_data['created_date']
-        self.last_modified_date = import_data['last_modified_date']
-        self.version = import_data['version']
-        self.table_name = import_data['table_name']
-
-
-class MetaDataColumn(Base, BaseMixin):
-    __tablename__ = 'meta_data_column'
-    column_name = Column(String, nullable=False)
-    column_type = Column(String)
-    column_order = Column(Integer)
-    is_shown = Column(Boolean)
-    column_label = Column(String)
-    show_filter = Column(Boolean)
-    filter_label = Column(String)
-    ref_column = Column(String, nullable=True)
-    table_id = Column(String, ForeignKey('meta_data_table.id'))
-    table = relationship("MetaDataTable", back_populates="table_columns")
-
-    def __repr__(self):
-        if self.column_name is None:
-            return f'MetaDataColumn({self.id} {self.table.table_name}.__)'
-        else:
-            return f'MetaDataColumn({self.id} {self.table.table_name}.{self.column_name})'
-
-    def __str__(self):
-        return f'{self.column_name}({self.id})'
-
-    def import_dict(self, import_data: Dict[AnyStr, Any]):
-        self.id = import_data['id']
-        self.created_date = import_data['created_date']
-        self.last_modified_date = import_data['last_modified_date']
-        self.version = import_data['version']
-        self.column_name = import_data['column_name']
-        self.column_type = import_data['column_type']
-        self.column_order = import_data['column_order']
-        self.table_id = import_data['table_id']
-        self.is_shown = import_data['is_shown']
-        self.column_label = import_data['column_label']
-        self.show_filter = import_data['show_filter']
-        self.filter_label = import_data['filter_label']
-        self.ref_column = import_data['ref_column']
diff --git a/kontor-scripts/db/repository/metadata.py b/kontor-scripts/db/repository/metadata.py
deleted file mode 100644
index 0e0558b..0000000
--- a/kontor-scripts/db/repository/metadata.py
+++ /dev/null
@@ -1,28 +0,0 @@
-
-from typing import List
-from sqlalchemy.orm import Session
-
-from db.models.metadata import MetaDataColumn, MetaDataTable
-from db.schemas.metadata import MetaDataTableResponse, MetaDataColumnResponse
-
-
-def get_tables(db: Session) -> List[MetaDataTableResponse]:
-    tables = db.query(MetaDataTable).all()
-    results: List[MetaDataTableResponse] = [MetaDataTableResponse(id=table.id, name=table.table_name) for table in tables]
-    return results
-
-
-def get_columns_for_table(db: Session, table: MetaDataTableResponse)-> List[MetaDataColumnResponse]:
-    columns = db.query(MetaDataColumn).filter_by(table_id = table.id).all()
-    results: List[MetaDataColumnResponse] = []
-    for column in columns:
-        result: MetaDataColumnResponse = MetaDataColumnResponse(
-            id=str(column.id),
-            name=column.column_name,
-            label=column.column_label,
-            order=column.column_order,
-            ref_column=column.ref_column,
-            column_type=column.column_type)
-        results.append(result)
-    return results
-
diff --git a/kontor-scripts/db/schemas/metadata.py b/kontor-scripts/db/schemas/metadata.py
deleted file mode 100644
index cdc1051..0000000
--- a/kontor-scripts/db/schemas/metadata.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from pydantic import BaseModel, PositiveInt
-
-
-class MetaDataTableResponse(BaseModel):
-    id: str
-    name: str
-
-
-class MetaDataColumnResponse(BaseModel):
-    id: str
-    name: str
-    label: str | None
-    order: PositiveInt
-    ref_column: str | None
-    column_type: str
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataColumn.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataColumn.java
deleted file mode 100644
index b64c1a4..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataColumn.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package de.thpeetz.kontor.admin.data;
-
-import de.thpeetz.kontor.common.data.AbstractEntity;
-import jakarta.annotation.Nullable;
-import jakarta.persistence.*;
-import jakarta.validation.constraints.NotNull;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.extern.slf4j.Slf4j;
-
-@Slf4j
-@Entity
-@Getter
-@Setter
-@Table(
-        indexes = @Index(columnList = "columnName, table_id"),
-        uniqueConstraints = @UniqueConstraint(columnNames = {"table_id", "columnOrder"})
-)
-public class MetaDataColumn extends AbstractEntity {
-
-    @NotNull
-    private String columnName;
-
-    private String columnType;
-
-    private Integer columnOrder;
-
-    private Boolean isShown;
-
-    private String columnLabel;
-
-    private Boolean showFilter = Boolean.FALSE;
-
-    private String filterLabel;
-
-    @Nullable
-    private String refColumn;
-
-    @ManyToOne
-    @JoinColumn(name = "table_id")
-    @NotNull
-    private MetaDataTable table;
-
-    public String getTableName() {
-        return table.getTableName();
-    }
-
-    public String updateColumnName(String value) {
-        if (!this.getColumnName().equals(value)) {
-            this.setColumnName(value);
-            log.info("update columnName");
-            return "updated " + this.getId() + " with " + value + "\n";
-        }
-        return "no changes for " + this.getId() + "\n";
-    }
-
-    @Override
-    public String toString() {
-        return "MetaDataColumn{id=" + getId() + ", columnName=" + columnName + ", table=" + table.getTableName() +'}';
-    }
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataTable.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataTable.java
deleted file mode 100644
index 5fceace..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/data/MetaDataTable.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package de.thpeetz.kontor.admin.data;
-
-import de.thpeetz.kontor.common.data.AbstractEntity;
-import jakarta.persistence.*;
-import jakarta.validation.constraints.NotNull;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.extern.slf4j.Slf4j;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.LinkedList;
-import java.util.List;
-
-@Slf4j
-@Entity
-@Getter
-@Setter
-@Table(
-        indexes = @Index(columnList = "tableName"),
-        uniqueConstraints = @UniqueConstraint(columnNames = {"tableName"})
-)
-public class MetaDataTable extends AbstractEntity {
-
-    @NotNull
-    private String tableName;
-
-    @OneToMany(fetch = FetchType.EAGER, mappedBy = "table")
-    private List<MetaDataColumn> tableColumns = new LinkedList<>();
-
-    public String updateTableName(String value) {
-        if (!this.getTableName().equals(value)) {
-            this.setTableName(value);
-            log.info("update tableName");
-            return "updated " + this.getId() + " with " + value;
-        }
-        return "no changes for " + this.getId();
-    }
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataColumnRepository.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataColumnRepository.java
deleted file mode 100644
index 7f0af9a..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataColumnRepository.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package de.thpeetz.kontor.admin.repository;
-
-import de.thpeetz.kontor.admin.data.MetaDataColumn;
-import de.thpeetz.kontor.admin.data.MetaDataTable;
-import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.query.Param;
-
-import java.util.List;
-
-public interface MetaDataColumnRepository extends JpaRepository<MetaDataColumn, String> {
-
-    List<MetaDataColumn> findByTable(MetaDataTable table);
-
-    List<MetaDataColumn> findByTableAndColumnName(MetaDataTable table, String column_name);
-
-    @Query("select m from MetaDataColumn m " +
-            "where lower(m.columnName) like lower(concat('%', :searchTerm, '%')) or lower(m.columnLabel) like lower(concat('%', :searchTerm, '%'))")
-    List<MetaDataColumn> search(@Param("searchTerm") String searchTerm);
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataTableRepository.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataTableRepository.java
deleted file mode 100644
index 4e31cb4..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/repository/MetaDataTableRepository.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package de.thpeetz.kontor.admin.repository;
-
-import de.thpeetz.kontor.admin.data.MetaDataTable;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-public interface MetaDataTableRepository extends JpaRepository<MetaDataTable, String> {
-
-    MetaDataTable findByTableName(String tableName);
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/services/MetaDataService.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/services/MetaDataService.java
deleted file mode 100644
index 6857393..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/services/MetaDataService.java
+++ /dev/null
@@ -1,242 +0,0 @@
-package de.thpeetz.kontor.admin.services;
-
-import org.springframework.stereotype.Service;
-
-import de.thpeetz.kontor.admin.data.MetaDataColumn;
-import de.thpeetz.kontor.admin.repository.MetaDataColumnRepository;
-import de.thpeetz.kontor.admin.data.MetaDataTable;
-import de.thpeetz.kontor.admin.repository.MetaDataTableRepository;
-import lombok.extern.slf4j.Slf4j;
-
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.concurrent.atomic.AtomicReference;
-
-@Slf4j
-@Service
-public class MetaDataService {
-
-    private final MetaDataTableRepository metaDataTableRepository;
-
-    private final MetaDataColumnRepository metaDataColumnRepository;
-
-    public MetaDataService(MetaDataTableRepository metaDataTableRepository, MetaDataColumnRepository metaDataColumnRepository) {
-        this.metaDataTableRepository = metaDataTableRepository;
-        this.metaDataColumnRepository = metaDataColumnRepository;
-    }
-
-    public List<MetaDataTable> findAllTables() {
-        return metaDataTableRepository.findAll();
-    }
-
-    public MetaDataTable getTable(String tableName) {
-        MetaDataTable table = metaDataTableRepository.findByTableName(tableName);
-        if (table == null) {
-            log.info("Metadata for table {} not found, will create it", tableName);
-            table = new MetaDataTable();
-            table.setTableName(tableName);
-            metaDataTableRepository.save(table);
-        }
-        return table;
-    }
-
-    private void deleteTable(MetaDataTable metaDataTable) {
-        List<MetaDataColumn> columns = metaDataTable.getTableColumns();
-        List<MetaDataColumn> columnsToDelete = new LinkedList<>();
-        for (MetaDataColumn column: columns) {
-            try {
-                columnsToDelete.add(column);
-                metaDataColumnRepository.delete(column);
-            } catch (Exception e) {
-                log.info("Exception {} thrown, just go on", e.getMessage());
-            }
-        }
-        for (MetaDataColumn column: columnsToDelete) {
-            metaDataTable.getTableColumns().remove(column);
-        }
-        try {
-            metaDataTableRepository.delete(metaDataTable);
-        } catch (Exception e) {
-            log.info("could not delete MetaDataTable: {}", e.getMessage());
-        }
-    }
-
-    public void getColumn(MetaDataTable table, String columnName, String columnType, Integer columnOrder, Boolean isShown, String columnLabel, Boolean showFilter, String filterLabel) {
-        this.getColumn(table, columnName, columnType, columnOrder, isShown, columnLabel, showFilter, filterLabel, null);
-    }
-
-    public void checkColumnValues(MetaDataTable table, MetaDataColumn column, String columnName, String columnType, Integer columnOrder, Boolean isShown, String columnLabel, Boolean showFilter, String filterLabel, String refColumn) {
-        log.debug("Column {}  with name {} of table {} found, check Values", columnOrder, columnName, table.getTableName());
-        if (!column.getColumnName().equals(columnName)) {
-            log.debug("columnName has to be changed to {}", columnName);
-            column.setColumnName(columnName);
-        }
-        if (!column.getColumnType().equals(columnType)) {
-            log.debug("columnType has to be changed to {}", columnType);
-            column.setColumnType(columnType);
-        }
-        if (isShown != null && !isShown.equals(column.getIsShown())) {
-            log.debug("isShown has to be change to {}}", isShown);
-            column.setIsShown(isShown);
-        }
-        if (columnLabel != null && !columnLabel.equals(column.getColumnLabel())) {
-            log.debug("columnLabel has to be change to {}}", columnLabel);
-            column.setColumnLabel(columnLabel);
-        }
-        if (showFilter != null &&!showFilter.equals(column.getShowFilter())) {
-            log.debug("showFilter has to be change to {}}", showFilter);
-            column.setShowFilter(showFilter);
-        }
-        if (filterLabel != null && !filterLabel.equals(column.getFilterLabel())) {
-            log.debug("filterLabel has to be change to {}}", filterLabel);
-            column.setFilterLabel(filterLabel);
-        }
-        if (refColumn != null && !refColumn.equals(column.getRefColumn())) {
-            log.debug("refColumn has to be change to {}}", filterLabel);
-            column.setRefColumn(refColumn);
-        }
-        saveMetaDataColumn(column);
-    }
-
-    public void getColumn(MetaDataTable table, String columnName, String columnType, Integer columnOrder, Boolean isShown, String columnLabel, Boolean showFilter, String filterLabel, String refColumn) {
-        log.info("check if column {} of table {} exists", columnName, table.getTableName());
-        boolean columnNameExists = table.getTableColumns().stream().anyMatch(column -> column.getColumnName().equals(columnName));
-        boolean columnOrderExists = table.getTableColumns().get(columnOrder-1) != null;
-        List<MetaDataColumn> metaDataColumns = metaDataColumnRepository.findByTableAndColumnName(table, columnName);
-        log.debug("column found: name: {}, order: {}:  table.columns: {}", columnNameExists, columnOrderExists, metaDataColumns);
-        if (columnOrderExists) {
-            MetaDataColumn column = table.getTableColumns().get(columnOrder-1);
-            checkColumnValues(table, column, columnName, columnType, columnOrder, isShown, columnLabel, showFilter, filterLabel, refColumn);
-        } else {
-            log.info("Column {} of table {} not found, will create it", columnName, table.getTableName());
-            addColumn(table, columnName, columnType, columnOrder, isShown, refColumn);
-        }
-    }
-
-    private void addColumn(MetaDataTable table, String columnName, String columnType, Integer columnOrder, Boolean isShown, String refColumn) {
-        MetaDataColumn column = new MetaDataColumn();
-        column.setTable(table);
-        column.setColumnName(columnName);
-        column.setColumnType(columnType);
-        column.setColumnOrder(columnOrder);
-        column.setIsShown(isShown);
-        column.setRefColumn(refColumn);
-        saveMetaDataColumn(column);
-    }
-
-    public List<MetaDataColumn> findAllMetaDataColumns(String stringFilter) {
-        if (stringFilter == null || stringFilter.isEmpty()) {
-            log.debug("Found " + metaDataColumnRepository.count()+ " entries");
-            return metaDataColumnRepository.findAll();
-        } else {
-            List<MetaDataColumn> results = metaDataColumnRepository.search(stringFilter);
-            log.debug("Found " + results.size() + " entries");
-            return results;
-        }
-    }
-
-    public void deleteMetaDataColumn(MetaDataColumn metaDataColumn) {
-        if (metaDataColumn == null) {
-            log.warn("MetaDataColumn is null, can't delete it");
-            return;
-        }
-        log.debug("deleteMetaDataColumn: MetaDataColumn={}", metaDataColumn);
-        metaDataColumnRepository.delete(metaDataColumn);
-    }
-
-    public void saveMetaDataColumn(MetaDataColumn metaDataColumn) {
-        if (metaDataColumn == null) {
-            log.warn("MetaDataColumn is null, can't save it");
-            return;
-        }
-        log.debug("saveMetaDataColumn: MetaDataColumn={}", metaDataColumn);
-        metaDataColumnRepository.save(metaDataColumn);
-    }
-
-    public String importTableData(Map<String, String> fields) {
-        AtomicReference<String> status = new AtomicReference<>("unknown");
-        String id = fields.get("id");
-        Optional<MetaDataTable> optional = metaDataTableRepository.findById(id);
-        if (optional.isEmpty()) {
-            log.info(" not found: {} with {}", id, fields);
-            status.set(id + "not found");
-            MetaDataTable checkExisting = metaDataTableRepository.findByTableName(fields.get("table_name"));
-            if (checkExisting != null) {
-                log.info("entry already there with different id ({}), will be deleted", checkExisting.getId());
-                deleteTable(checkExisting);
-            }
-            MetaDataTable metaDataTable = new MetaDataTable();
-            metaDataTable.setId(id);
-            metaDataTable.setTableName(fields.get("table_name"));
-            metaDataTableRepository.save(metaDataTable);
-        } else {
-            optional.ifPresent( entry -> {
-                log.info(" found: {}", entry.getTableName());
-                String updateStatus = updateTableFields(entry, fields);
-                metaDataTableRepository.save(entry);
-                status.set(updateStatus);
-            });
-        }
-        return status.get();
-    }
-
-    public String importColumnData(String tableName, Map<String, String> fields) {
-        AtomicReference<String> status = new AtomicReference<>("unknown");
-        String id = fields.get("id");
-        Optional<MetaDataColumn> optional = metaDataColumnRepository.findById(id);
-        if (optional.isEmpty()) {
-            log.info(" not found: {} with {}", id, fields);
-            status.set(id + "not found");
-            MetaDataColumn metaDataColumn = new MetaDataColumn();
-            metaDataColumn.setId(id);
-            metaDataColumn.setColumnName(fields.get("column_name"));
-            metaDataColumn.setColumnType(fields.get("column_type"));
-            metaDataColumnRepository.save(metaDataColumn);
-        } else {
-            optional.ifPresent( entry -> {
-                log.info(" found: {}", entry.getTableName());
-                String updateStatus = updateColumnFields(entry, tableName, fields);
-                metaDataColumnRepository.save(entry);
-                status.set(updateStatus);
-            });
-        }
-        return status.get();
-    }
-
-    private String updateColumnFields(MetaDataColumn metaDataColumn, String tableName, Map<String, String> fields) {
-        StringBuilder status = new StringBuilder();
-        for (Map.Entry<String, String> entry : fields.entrySet()) {
-            String key = entry.getKey();
-            String value = entry.getValue();
-            switch (key) {
-                case "id", "created_date", "last_modified_date", "version":
-                    break;
-                case "column_name":
-                    status.append(metaDataColumn.updateColumnName(value));
-                    break;
-                default:
-                    log.info("field {} is unknown for table {}", key, tableName);
-            }
-        }
-        return status.toString();
-    }
-
-    private String updateTableFields(MetaDataTable metaDataTable, Map<String, String> fields) {
-        String status = "";
-        for (Map.Entry<String, String> entry : fields.entrySet()) {
-            String key = entry.getKey();
-            String value = entry.getValue();
-            switch (key) {
-                case "id", "created_date", "last_modified_date", "version":
-                    break;
-                case "table_name":
-                    status += metaDataTable.updateTableName(value);
-                default:
-                    log.info("field {} is unknown for table {}", key, MetaDataTable.class.getName());
-            }
-        }
-        return status;
-    }
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataForm.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataForm.java
deleted file mode 100644
index 8735b4e..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataForm.java
+++ /dev/null
@@ -1,120 +0,0 @@
-package de.thpeetz.kontor.admin.views;
-
-import com.vaadin.flow.component.ComponentEvent;
-import com.vaadin.flow.component.ComponentEventListener;
-import com.vaadin.flow.component.Key;
-import com.vaadin.flow.component.button.Button;
-import com.vaadin.flow.component.button.ButtonVariant;
-import com.vaadin.flow.component.checkbox.Checkbox;
-import com.vaadin.flow.component.combobox.ComboBox;
-import com.vaadin.flow.component.formlayout.FormLayout;
-import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
-import com.vaadin.flow.component.textfield.IntegerField;
-import com.vaadin.flow.component.textfield.TextField;
-import com.vaadin.flow.data.binder.BeanValidationBinder;
-import com.vaadin.flow.data.binder.Binder;
-import de.thpeetz.kontor.admin.data.MetaDataColumn;
-import de.thpeetz.kontor.admin.data.MetaDataTable;
-import lombok.*;
-
-import java.util.List;
-
-public class MetaDataForm extends FormLayout {
-
-    ComboBox<MetaDataTable> table = new ComboBox<>("Table");
-    TextField columnName = new TextField("Column Name");
-    IntegerField columnOrder = new IntegerField("Column Order");
-    Checkbox isShown = new Checkbox("Is Shown");
-    TextField columnLabel = new TextField("Column Label");
-    Checkbox showFilter = new Checkbox("Show Filter");
-    TextField filterLabel = new TextField("Filter Label");
-    TextField refColumn = new TextField("Ref Column");
-
-    Button save = new com.vaadin.flow.component.button.Button("Save");
-    Button delete = new com.vaadin.flow.component.button.Button("Delete");
-    Button close = new Button("Cancel");
-
-    Binder<MetaDataColumn> binder = new BeanValidationBinder<>(MetaDataColumn.class);
-
-    public MetaDataForm(List<MetaDataTable> tables) {
-        addClassName("metaData-form");
-        binder.bindInstanceFields(this);
-
-        table.setItems(tables);
-        table.setItemLabelGenerator(MetaDataTable::getTableName);
-        add(table, columnName, columnOrder);
-        add(isShown, columnLabel);
-        isShown.addClickListener(click -> columnLabel.setEnabled(isShown.getValue()));
-        add(showFilter, filterLabel);
-        showFilter.addClickListener(click -> filterLabel.setEnabled(showFilter.getValue()));
-        add(refColumn);
-        add(createButtonsLayout());
-    }
-
-    private HorizontalLayout createButtonsLayout() {
-        save.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
-        delete.addThemeVariants(ButtonVariant.LUMO_ERROR);
-        close.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
-
-        save.addClickShortcut(Key.ENTER);
-        close.addClickShortcut(Key.ESCAPE);
-
-        save.addClickListener(event -> validateAndSave());
-        delete.addClickListener(event -> fireEvent(new MetaDataForm.DeleteEvent(this, binder.getBean())));
-        close.addClickListener(event -> fireEvent(new MetaDataForm.CloseEvent(this)));
-
-        binder.addStatusChangeListener(e -> save.setEnabled(binder.isValid()));
-        return new HorizontalLayout(save, delete, close);
-    }
-
-    private void validateAndSave() {
-        if (binder.isValid()) {
-            fireEvent(new MetaDataForm.SaveEvent(this, binder.getBean()));
-        }
-    }
-
-    public void setMetaDataColumn(MetaDataColumn metaDataColumn) {
-        binder.setBean(metaDataColumn);
-    }
-
-    @Getter
-    public abstract static class MetaDataFormEvent extends ComponentEvent<MetaDataForm> {
-        private final MetaDataColumn metaDataColumn;
-
-        protected MetaDataFormEvent(MetaDataForm source, MetaDataColumn metaDataColumn) {
-            super(source, false);
-            this.metaDataColumn = metaDataColumn;
-        }
-
-    }
-
-    public static class SaveEvent extends MetaDataForm.MetaDataFormEvent {
-        SaveEvent(MetaDataForm source, MetaDataColumn metaDataColumn) {
-            super(source, metaDataColumn);
-        }
-    }
-
-    public static class DeleteEvent extends MetaDataForm.MetaDataFormEvent {
-        DeleteEvent(MetaDataForm source, MetaDataColumn metaDataColumn) {
-            super(source, metaDataColumn);
-        }
-    }
-
-    public static class CloseEvent extends MetaDataForm.MetaDataFormEvent {
-        CloseEvent(MetaDataForm source) {
-            super(source, null);
-        }
-    }
-
-    public void addDeleteListener(ComponentEventListener<MetaDataForm.DeleteEvent> listener) {
-        addListener(MetaDataForm.DeleteEvent.class, listener);
-    }
-
-    public void addSaveListener(ComponentEventListener<MetaDataForm.SaveEvent> listener) {
-        addListener(MetaDataForm.SaveEvent.class, listener);
-    }
-
-    public void addCloseListener(ComponentEventListener<MetaDataForm.CloseEvent> listener) {
-        addListener(MetaDataForm.CloseEvent.class, listener);
-    }
-}
diff --git a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataView.java b/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataView.java
deleted file mode 100644
index 148bace..0000000
--- a/kontor-spring/src/main/java/de/thpeetz/kontor/admin/views/MetaDataView.java
+++ /dev/null
@@ -1,185 +0,0 @@
-package de.thpeetz.kontor.admin.views;
-
-import com.vaadin.flow.component.Component;
-import com.vaadin.flow.component.button.Button;
-import com.vaadin.flow.component.button.ButtonVariant;
-import com.vaadin.flow.component.grid.Grid;
-import com.vaadin.flow.component.grid.GridSortOrder;
-import com.vaadin.flow.component.icon.Icon;
-import com.vaadin.flow.component.icon.VaadinIcon;
-import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
-import com.vaadin.flow.component.orderedlayout.VerticalLayout;
-import com.vaadin.flow.component.textfield.TextField;
-import com.vaadin.flow.data.provider.SortDirection;
-import com.vaadin.flow.data.value.ValueChangeMode;
-import com.vaadin.flow.router.PageTitle;
-import com.vaadin.flow.router.Route;
-import com.vaadin.flow.spring.annotation.SpringComponent;
-import de.thpeetz.kontor.admin.AdminConstants;
-import de.thpeetz.kontor.admin.data.MetaDataColumn;
-import de.thpeetz.kontor.admin.services.MetaDataService;
-import de.thpeetz.kontor.common.views.MainLayout;
-import de.thpeetz.kontor.common.views.ColumnToggleContextMenu;
-import de.thpeetz.kontor.common.views.StatusIcon;
-import jakarta.annotation.security.RolesAllowed;
-import lombok.Getter;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.context.annotation.Scope;
-
-import java.util.ArrayList;
-import java.util.List;
-
-@Slf4j
-@SpringComponent
-@Scope("prototype")
-@RolesAllowed("ROLE_ADMIN")
-@Route(value = AdminConstants.METADATA_ROUTE, layout = MainLayout.class)
-@PageTitle("Meta Data | Admin | Kontor")
-public class MetaDataView extends VerticalLayout {
-
-    Grid<MetaDataColumn> grid = new Grid<>(MetaDataColumn.class, false);
-    Grid.Column<MetaDataColumn> idColumn = grid.addColumn(MetaDataColumn::getId)
-            .setHeader("ID").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> createdColumn = grid.addColumn(MetaDataColumn::getCreatedDate)
-            .setHeader("Erstellt").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> modifiedColumn = grid.addColumn(MetaDataColumn::getLastModifiedDate)
-            .setHeader("Geändert").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> versionColumn = grid.addColumn(MetaDataColumn::getVersion)
-            .setHeader("Version").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> tableColumn = grid.addColumn(MetaDataColumn::getTableName)
-            .setHeader("Table").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> columnNameColumn = grid.addColumn(MetaDataColumn::getColumnName)
-            .setHeader("Column Name").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> columnTypeColumn = grid.addColumn(MetaDataColumn::getColumnType)
-            .setHeader("Column Type").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> columnOrderColumn = grid.addColumn(MetaDataColumn::getColumnOrder)
-            .setHeader("Column Order").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> isShownColumn = grid.addComponentColumn(metaDataColumn -> StatusIcon.create(metaDataColumn.getIsShown())).
-            setHeader("Anzeige?").setWidth("6rem").setSortable(true);
-    Grid.Column<MetaDataColumn> columnLabelColumn = grid.addColumn(MetaDataColumn::getColumnLabel)
-            .setHeader("Spaltenname").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> showFilterColumn = grid.addComponentColumn(metaDataColumn -> StatusIcon.create(metaDataColumn.getShowFilter())).
-            setHeader("Zeige Filter").setWidth("6rem").setSortable(true);
-    Grid.Column<MetaDataColumn> filterLabelColumn = grid.addColumn(MetaDataColumn::getFilterLabel)
-            .setHeader("Filter Name").setResizable(true).setSortable(true);
-    Grid.Column<MetaDataColumn> refColumnColumn = grid.addColumn(MetaDataColumn::getRefColumn)
-            .setHeader("Ref Column Name").setResizable(true).setSortable(true);
-    TextField searchField = new TextField();
-    @Getter
-    MetaDataForm form;
-    MetaDataService service;
-
-    public MetaDataView(MetaDataService service) {
-        this.service = service;
-        addClassName("metadata-view");
-        setSizeFull();
-        configureGrid();
-        configureForm();
-
-        add(getToolbar(), getContent());
-        updateList();
-    }
-
-    private void configureGrid() {
-        grid.addClassName("metadata-grid");
-        grid.setSizeFull();
-        grid.getColumns().forEach(col -> col.setAutoWidth(true));
-        idColumn.setVisible(false);
-        createdColumn.setVisible(false);
-        modifiedColumn.setVisible(false);
-        versionColumn.setVisible(false);
-        grid.setMultiSort(true);
-        List<GridSortOrder<MetaDataColumn>> sortOrder = new ArrayList<>();
-        sortOrder.add(new GridSortOrder<MetaDataColumn>(tableColumn, SortDirection.ASCENDING));
-        sortOrder.add(new GridSortOrder<MetaDataColumn>(columnOrderColumn, SortDirection.ASCENDING));
-        grid.sort(sortOrder);
-        grid.asSingleSelect().addValueChangeListener(event -> editMetaData(event.getValue()));
-    }
-
-    private void configureForm() {
-        form = new MetaDataForm(service.findAllTables());
-        form.setWidth("25em");
-        form.setVisible(false);
-        form.addSaveListener(this::saveMetaData);
-        form.addDeleteListener(this::deleteMetaData);
-        form.addCloseListener(e -> closeEditor());
-    }
-
-    private Component getContent() {
-        HorizontalLayout content = new HorizontalLayout(grid, form);
-        content.setFlexGrow(2, grid);
-        content.setFlexGrow(1, form);
-        content.addClassName("content");
-        content.setSizeFull();
-        return content;
-    }
-
-    private HorizontalLayout getToolbar() {
-        searchField.setPlaceholder("Search");
-        searchField.setClearButtonVisible(true);
-        searchField.setPrefixComponent(new Icon(VaadinIcon.SEARCH));
-        searchField.setValueChangeMode(ValueChangeMode.EAGER);
-        searchField.addValueChangeListener(e -> updateList());
-
-        Button addMetaDataButton = new Button("Add Meta Data");
-        addMetaDataButton.addClickListener(click -> addMetaDataColumn());
-
-        Button menuButton = new Button("Show/Hide Columns");
-        menuButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
-        ColumnToggleContextMenu<MetaDataColumn> columnToggleContextMenu = new ColumnToggleContextMenu<>(menuButton);
-        columnToggleContextMenu.addColumnToggleItem(idColumn);
-        columnToggleContextMenu.addColumnToggleItem(createdColumn);
-        columnToggleContextMenu.addColumnToggleItem(modifiedColumn);
-        columnToggleContextMenu.addColumnToggleItem(versionColumn);
-        columnToggleContextMenu.addColumnToggleItem(tableColumn);
-        columnToggleContextMenu.addColumnToggleItem(columnNameColumn);
-        columnToggleContextMenu.addColumnToggleItem(columnTypeColumn);
-        columnToggleContextMenu.addColumnToggleItem(columnOrderColumn);
-        columnToggleContextMenu.addColumnToggleItem(isShownColumn);
-        columnToggleContextMenu.addColumnToggleItem(columnLabelColumn);
-        columnToggleContextMenu.addColumnToggleItem(showFilterColumn);
-        columnToggleContextMenu.addColumnToggleItem(filterLabelColumn);
-        columnToggleContextMenu.addColumnToggleItem(refColumnColumn);
-        HorizontalLayout toolbar = new HorizontalLayout(searchField, addMetaDataButton, menuButton);
-        toolbar.addClassName("toolbar");
-        return toolbar;
-    }
-
-    private void saveMetaData(MetaDataForm.SaveEvent event) {
-        MetaDataColumn metaDataColumn = event.getMetaDataColumn();
-        service.saveMetaDataColumn(metaDataColumn);
-        updateList();
-        closeEditor();
-    }
-
-    private void deleteMetaData(MetaDataForm.DeleteEvent event) {
-        service.deleteMetaDataColumn(event.getMetaDataColumn());
-        updateList();
-        closeEditor();
-    }
-
-    public void editMetaData(MetaDataColumn metaDataColumn) {
-        if (metaDataColumn == null) {
-            closeEditor();
-        } else {
-            form.setMetaDataColumn(metaDataColumn);
-            form.setVisible(true);
-            addClassName("editing");
-        }
-    }
-
-    public void closeEditor() {
-        form.setMetaDataColumn(null);
-        form.setVisible(false);
-        removeClassName("editing");
-    }
-
-    private void addMetaDataColumn() {
-        grid.asSingleSelect().clear();
-        editMetaData(new MetaDataColumn());
-    }
-
-    private void updateList() {
-        grid.setItems(service.findAllMetaDataColumns(searchField.getValue()));
-    }
-}