diff --git a/entity/ActivityLink_entity/ActivityLink_entity.aod b/entity/ActivityLink_entity/ActivityLink_entity.aod
index 33fd4236239fb194930c78b5bbe7c8be3c90db8d..91bc2dfdf6646b74526c4cffa0eb9c9b439057a7 100644
--- a/entity/ActivityLink_entity/ActivityLink_entity.aod
+++ b/entity/ActivityLink_entity/ActivityLink_entity.aod
@@ -113,7 +113,7 @@
         </dbRecordFieldMapping>
         <dbRecordFieldMapping>
           <name>OBJECT_ROWID.displayValue</name>
-          <recordfield>ACTIVITYLINK.OBJECT_TYPE</recordfield>
+          <expression>%aditoprj%/entity/ActivityLink_entity/recordcontainers/db/recordfieldmappings/object_rowid.displayvalue/expression.js</expression>
         </dbRecordFieldMapping>
       </recordFieldMappings>
     </dbRecordContainer>
diff --git a/entity/ActivityLink_entity/recordcontainers/db/recordfieldmappings/object_rowid.displayvalue/expression.js b/entity/ActivityLink_entity/recordcontainers/db/recordfieldmappings/object_rowid.displayvalue/expression.js
new file mode 100644
index 0000000000000000000000000000000000000000..33554680cccd2c3d363443686457c41e0c1c5729
--- /dev/null
+++ b/entity/ActivityLink_entity/recordcontainers/db/recordfieldmappings/object_rowid.displayvalue/expression.js
@@ -0,0 +1,4 @@
+import("system.result");
+import("Context_lib");
+
+result.string(ContextUtils.getNameSubselectSql("OBJECT_TYPE", "OBJECT_ROWID"))
\ No newline at end of file
diff --git a/process/ObjectRelation_lib/ObjectRelation_lib.aod b/process/ObjectRelation_lib/ObjectRelation_lib.aod
deleted file mode 100644
index 77cc2f184e4c94f8e0a4bde129557dcb4873bb49..0000000000000000000000000000000000000000
--- a/process/ObjectRelation_lib/ObjectRelation_lib.aod
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<process xmlns="http://www.adito.de/2018/ao/Model" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" VERSION="1.1.7" xsi:schemaLocation="http://www.adito.de/2018/ao/Model adito://models/xsd/process/1.1.7">
-  <name>ObjectRelation_lib</name>
-  <majorModelMode>DISTRIBUTED</majorModelMode>
-  <process>%aditoprj%/process/ObjectRelation_lib/process.js</process>
-  <variants>
-    <element>LIBRARY</element>
-  </variants>
-</process>
diff --git a/process/ObjectRelation_lib/process.js b/process/ObjectRelation_lib/process.js
deleted file mode 100644
index 9a4604f1bfbf6988c22afb972b8237a9fa02bcfa..0000000000000000000000000000000000000000
--- a/process/ObjectRelation_lib/process.js
+++ /dev/null
@@ -1,14 +0,0 @@
-import("system.vars");
-import("Context_lib");
-import("Sql_lib");
-
-/**
- * This class provides functions for managing object relations
- * 
- * Do not create an instance of this
- * 
- * @class
- */
-function ObjectRelationUtils() {}
-
-// TODO
\ No newline at end of file