diff -r 3d16ad54b3dc -r 0a658e53177c src/main/java/de/uapcore/lightpit/dao/VersionDao.java
--- a/src/main/java/de/uapcore/lightpit/dao/VersionDao.java	Sat May 30 18:12:38 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/dao/VersionDao.java	Mon Jun 01 14:46:58 2020 +0200
@@ -30,7 +30,6 @@
 
 import de.uapcore.lightpit.entities.Project;
 import de.uapcore.lightpit.entities.Version;
-import de.uapcore.lightpit.entities.VersionStatistics;
 
 import java.sql.SQLException;
 import java.util.List;
@@ -45,31 +44,4 @@
      * @throws SQLException on any kind of SQL error
      */
     List<Version> list(Project project) throws SQLException;
-
-    /**
-     * Retrieves statistics about issues that arose in a version.
-     *
-     * @param version the version
-     * @return version statistics
-     * @throws SQLException on any kind of SQL error
-     */
-    VersionStatistics statsOpenedIssues(Version version) throws SQLException;
-
-    /**
-     * Retrieves statistics about issues that are scheduled for a version.
-     *
-     * @param version the version
-     * @return version statistics
-     * @throws SQLException on any kind of SQL error
-     */
-    VersionStatistics statsScheduledIssues(Version version) throws SQLException;
-
-    /**
-     * Retrieves statistics about issues that are resolved in a version.
-     *
-     * @param version the version
-     * @return version statistics
-     * @throws SQLException on any kind of SQL error
-     */
-    VersionStatistics statsResolvedIssues(Version version) throws SQLException;
 }