diff --git a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminController.java b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminController.java
index bf2811c..245f205 100644
--- a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminController.java
+++ b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminController.java
@@ -102,4 +102,11 @@ public class AdminController extends CommonController {
 		service.updateDocument(bean);
 		return "redirect:/admin/document";
 	}
+
+	@GetMapping("/admin/document/delete/{id}")
+	public String deleteDocument(@PathVariable Integer id, Model model, HttpServletRequest request) {
+		super.setupSession(model, request);
+		service.deleteDocument(id);
+		return "redirect:/admin/document";
+	}
 }
diff --git a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminRepository.java b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminRepository.java
index f3ac379..066c413 100644
--- a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminRepository.java
+++ b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminRepository.java
@@ -1,7 +1,9 @@
 package de.jottyfan.camporganizer.module.admin;
 
+import static de.jottyfan.camporganizer.db.jooq.Tables.T_CAMP;
 import static de.jottyfan.camporganizer.db.jooq.Tables.T_DOCUMENT;
 import static de.jottyfan.camporganizer.db.jooq.Tables.T_DOCUMENTROLE;
+import static de.jottyfan.camporganizer.db.jooq.Tables.T_LOCATION;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -19,6 +21,7 @@ import org.jooq.InsertReturningStep;
 import org.jooq.Record5;
 import org.jooq.SelectSeekStep1;
 import org.jooq.UpdateConditionStep;
+import org.jooq.UpdateSetMoreStep;
 import org.jooq.exception.DataAccessException;
 import org.jooq.impl.DSL;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -28,8 +31,10 @@ import org.springframework.transaction.annotation.Transactional;
 import de.jottyfan.camporganizer.db.jooq.enums.EnumCamprole;
 import de.jottyfan.camporganizer.db.jooq.enums.EnumDocument;
 import de.jottyfan.camporganizer.db.jooq.enums.EnumFiletype;
+import de.jottyfan.camporganizer.db.jooq.tables.records.TCampRecord;
 import de.jottyfan.camporganizer.db.jooq.tables.records.TDocumentRecord;
 import de.jottyfan.camporganizer.db.jooq.tables.records.TDocumentroleRecord;
+import de.jottyfan.camporganizer.db.jooq.tables.records.TLocationRecord;
 import de.jottyfan.camporganizer.module.camplist.LambdaResultWrapper;
 
 /**
@@ -125,14 +130,19 @@ public class AdminRepository {
 		jooq.transaction(c -> {
 			Integer pk = bean.getPk();
 			if (bean.getPk() != null) {
-				UpdateConditionStep<TDocumentRecord> sql = DSL.using(c)
+				UpdateSetMoreStep<TDocumentRecord> sqlPart = DSL.using(c)
 				// @formatter:off
 					.update(T_DOCUMENT)
 					.set(T_DOCUMENT.NAME, bean.getName())
-					.set(T_DOCUMENT.DOCTYPE, bean.getDoctype())
-					.set(T_DOCUMENT.DOCUMENT, bean.getDocument())
-					.set(T_DOCUMENT.FILETYPE, bean.getFiletype())
-					.where(T_DOCUMENT.PK.eq(bean.getPk()));
+					.set(T_DOCUMENT.DOCTYPE, bean.getDoctype());
+			  // @formatter:on
+				if (bean.getDocument() != null) {
+					sqlPart = sqlPart.set(T_DOCUMENT.DOCUMENT, bean.getDocument());
+				}
+				// @formatter:off
+				UpdateConditionStep<TDocumentRecord> sql = sqlPart
+				  .set(T_DOCUMENT.FILETYPE, bean.getFiletype())
+				  .where(T_DOCUMENT.PK.eq(bean.getPk()));
 			  // @formatter:on
 				LOGGER.debug("{}", sql.toString());
 				lrw.add(sql.execute());
@@ -183,4 +193,53 @@ public class AdminRepository {
 		});
 		return lrw.getCounter();
 	}
+
+	/**
+	 * delete entry from t_document where pk = ?
+	 *
+	 * @param pk
+	 *          to be used as reference
+	 * @return number of affected database lines
+	 * @throws DataAccessException
+	 */
+	public Integer deleteDocument(Integer pk) throws DataAccessException {
+		LambdaResultWrapper lrw = new LambdaResultWrapper();
+		jooq.transaction(t -> {
+			UpdateConditionStep<TCampRecord> sql = DSL.using(t)
+			// @formatter:off
+			  .update(T_CAMP)
+			  .set(T_CAMP.FK_DOCUMENT, (Integer) null)
+			  .where(T_CAMP.FK_DOCUMENT.eq(pk));
+		  // @formatter:on
+			LOGGER.debug("{}", sql.toString());
+			lrw.add(sql.execute());
+
+			UpdateConditionStep<TLocationRecord> sql1 = DSL.using(t)
+			// @formatter:off
+			  .update(T_LOCATION)
+			  .set(T_LOCATION.FK_DOCUMENT, (Integer) null)
+			  .where(T_LOCATION.FK_DOCUMENT.eq(pk));
+		  // @formatter:on
+			LOGGER.debug("{}", sql1.toString());
+			lrw.add(sql1.execute());
+
+			DeleteConditionStep<TDocumentroleRecord> sql2 = DSL.using(t)
+			// @formatter:off
+				.deleteFrom(T_DOCUMENTROLE)
+				.where(T_DOCUMENTROLE.FK_DOCUMENT.eq(pk));
+			// @formatter:on
+			LOGGER.debug("{}", sql2.toString());
+			lrw.add(sql2.execute());
+
+			DeleteConditionStep<TDocumentRecord> sql3 = DSL.using(t)
+			// @formatter:off
+				.deleteFrom(T_DOCUMENT)
+				.where(T_DOCUMENT.PK.eq(pk));
+			// @formatter:on
+			LOGGER.debug("{}", sql3.toString());
+			lrw.add(sql3.execute());
+		});
+		return lrw.getCounter();
+	}
+
 }
diff --git a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminService.java b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminService.java
index 1529d1d..d6d2db9 100644
--- a/src/main/java/de/jottyfan/camporganizer/module/admin/AdminService.java
+++ b/src/main/java/de/jottyfan/camporganizer/module/admin/AdminService.java
@@ -1,9 +1,12 @@
 package de.jottyfan.camporganizer.module.admin;
 
+import java.io.IOException;
 import java.util.List;
 
 import javax.validation.Valid;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -17,6 +20,7 @@ import de.jottyfan.camporganizer.module.mail.MailRepository;
  */
 @Service
 public class AdminService {
+	private static final Logger LOGGER = LogManager.getLogger(AdminService.class);
 
 	@Autowired
 	private MailRepository mailRepository;
@@ -54,6 +58,21 @@ public class AdminService {
 	 * @return the number of affected database lines
 	 */
 	public Integer updateDocument(@Valid DocumentBean bean) {
+		try {
+			bean.encodeUpload();
+		} catch (IOException e) {
+			LOGGER.error(e.getMessage());
+		}
 		return adminRepository.upsert(bean);
 	}
+
+	/**
+	 * delete document with id from the database
+	 *
+	 * @param id the ID of the document
+	 * @return the number of affected database lines
+	 */
+	public Integer deleteDocument(Integer id) {
+		return adminRepository.deleteDocument(id);
+	}
 }
diff --git a/src/main/java/de/jottyfan/camporganizer/module/admin/DocumentBean.java b/src/main/java/de/jottyfan/camporganizer/module/admin/DocumentBean.java
index d4b5df3..1c0dfd4 100644
--- a/src/main/java/de/jottyfan/camporganizer/module/admin/DocumentBean.java
+++ b/src/main/java/de/jottyfan/camporganizer/module/admin/DocumentBean.java
@@ -5,11 +5,11 @@ import java.io.InputStream;
 import java.io.Serializable;
 import java.util.Base64;
 
-import javax.servlet.http.Part;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 
 import org.apache.commons.io.IOUtils;
+import org.springframework.web.multipart.MultipartFile;
 
 import de.jottyfan.camporganizer.db.jooq.enums.EnumCamprole;
 import de.jottyfan.camporganizer.db.jooq.enums.EnumDocument;
@@ -33,9 +33,14 @@ public class DocumentBean implements Serializable{
 	@NotNull
 	private EnumFiletype filetype;
 	@NotNull
-	private Part uploadfile;
+	private MultipartFile uploadfile;
 	private EnumCamprole[] roles;
 
+	/**
+	 * convert the uploadfile to the document
+	 *
+	 * @throws IOException on IO errors
+	 */
 	public void encodeUpload() throws IOException {
 		if (uploadfile != null) {
 			InputStream inputStream = uploadfile.getInputStream();
@@ -82,11 +87,11 @@ public class DocumentBean implements Serializable{
 		return filetype;
 	}
 
-	public Part getUploadfile() {
+	public MultipartFile getUploadfile() {
 		return uploadfile;
 	}
 
-	public void setUploadfile(Part uploadfile) {
+	public void setUploadfile(MultipartFile uploadfile) {
 		this.uploadfile = uploadfile;
 	}
 
diff --git a/src/main/resources/static/css/style.css b/src/main/resources/static/css/style.css
index d82940b..01af74f 100644
--- a/src/main/resources/static/css/style.css
+++ b/src/main/resources/static/css/style.css
@@ -104,10 +104,10 @@ div {
 
 .mainpage {
 	background-color: rgba(255, 255, 255, 0.4);
-	padding: 8px;
+	padding: 16px;
 	overflow: auto;
 	width: 100%;
-	height: calc(100vh - 60px);
+	height: calc(100vh - 72px);
 	/* 60 px is the current height of the headline; TODO: calculate it */
 }
 
diff --git a/src/main/resources/templates/admin/document_edit.html b/src/main/resources/templates/admin/document_edit.html
index 6deeb04..9ac32fa 100644
--- a/src/main/resources/templates/admin/document_edit.html
+++ b/src/main/resources/templates/admin/document_edit.html
@@ -76,13 +76,16 @@
 							<div class="col-sm-10">
 								<input type="submit" class="btn btn-success" value="Ok" />
 								<a th:href="@{/admin/document}" class="btn btn-outline-secondary">Abbrechen</a>
+								<div class="dropdown" style="display: inline">
+									<button class="btn btn-outline-danger dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
+										<i class="fas fa-trash-alt"></i>
+									</button>
+									<ul class="dropdown-menu">
+										<li><a class="dropdown-item" th:href="@{/admin/document/delete/{id}(id=${bean.pk})}">Dokument endgültig löschen</a>
+									</ul>
+								</div>
 							</div>
 						</div>
-						<!-- TODO:
-
-								delete from db th:if="${bean.pk}"
-							-->
-
 					</div>
 				</div>
 			</form>