diff --git a/db-migration/src/main/resources/liquibase/db.changelog.xml b/db-migration/src/main/resources/liquibase/db.changelog.xml
index 82fe28f..0302ec7 100644
--- a/db-migration/src/main/resources/liquibase/db.changelog.xml
+++ b/db-migration/src/main/resources/liquibase/db.changelog.xml
@@ -752,4 +752,11 @@
         </createTable>
     </changeSet>
 
+    <changeSet author="phormanns" id="ph-20170729-01">
+	    <dropColumn tableName="business_partner"
+            columnName="shares_updated"/>
+	    <dropColumn tableName="business_partner"
+            columnName="shares_signed"/>
+    </changeSet>
+
 </databaseChangeLog>