diff --git a/src/zcl_excel_properties.clas.abap b/src/zcl_excel_properties.clas.abap
deleted file mode 100644
index 6592a78..0000000
--- a/src/zcl_excel_properties.clas.abap
+++ /dev/null
@@ -1,45 +0,0 @@
-CLASS zcl_excel_properties DEFINITION
- PUBLIC
- FINAL
- CREATE PUBLIC .
-
- PUBLIC SECTION.
-
- DATA creator TYPE zexcel_creator VALUE 'Ivan Femia'. "#EC NOTEXT . . . " .
- DATA lastmodifiedby TYPE zexcel_creator VALUE 'Ivan Femia'. "#EC NOTEXT . . . " .
- DATA created TYPE timestampl .
- DATA modified TYPE timestampl .
- DATA title TYPE zexcel_title VALUE 'abap2xlsx'. "#EC NOTEXT . . . " .
- DATA subject TYPE zexcel_subject .
- DATA description TYPE zexcel_description VALUE 'Created using abap2xlsx'. "#EC NOTEXT . . . " .
- DATA keywords TYPE zexcel_keywords .
- DATA category TYPE zexcel_category .
- DATA company TYPE zexcel_company VALUE 'abap2xlsx'. "#EC NOTEXT . . . " .
- DATA application TYPE zexcel_application VALUE 'Microsoft Excel'. "#EC NOTEXT . . . " .
- DATA docsecurity TYPE zexcel_docsecurity VALUE '0'. "#EC NOTEXT . . . " .
- DATA scalecrop TYPE zexcel_scalecrop VALUE ''. "#EC NOTEXT . . . " .
- DATA linksuptodate TYPE flag .
- DATA shareddoc TYPE flag .
- DATA hyperlinkschanged TYPE flag .
- DATA appversion TYPE zexcel_appversion VALUE '12.0000'. "#EC NOTEXT . . . " .
-
- METHODS constructor .
- PROTECTED SECTION.
- PRIVATE SECTION.
-ENDCLASS.
-
-
-
-CLASS zcl_excel_properties IMPLEMENTATION.
-
-
- METHOD constructor.
-
- DATA: lv_timestamp TYPE timestampl.
-
- GET TIME STAMP FIELD lv_timestamp.
- created = lv_timestamp.
- modified = lv_timestamp.
-
- ENDMETHOD.
-ENDCLASS.
diff --git a/src/zcl_excel_properties.clas.xml b/src/zcl_excel_properties.clas.xml
deleted file mode 100644
index 7c383b3..0000000
--- a/src/zcl_excel_properties.clas.xml
+++ /dev/null
@@ -1,126 +0,0 @@
-
-
-
-
-
- ZCL_EXCEL_PROPERTIES
- E
- Document properties
- 1
- X
- X
- X
-
-
-
- ZCL_EXCEL_PROPERTIES
- APPLICATION
- E
- Application
-
-
- ZCL_EXCEL_PROPERTIES
- APPVERSION
- E
- Application version
-
-
- ZCL_EXCEL_PROPERTIES
- CATEGORY
- E
- Category
-
-
- ZCL_EXCEL_PROPERTIES
- COMPANY
- E
- Company
-
-
- ZCL_EXCEL_PROPERTIES
- CONSTRUCTOR
- E
- CONSTRUCTOR
-
-
- ZCL_EXCEL_PROPERTIES
- CREATED
- E
- Created on
-
-
- ZCL_EXCEL_PROPERTIES
- CREATOR
- E
- Creator
-
-
- ZCL_EXCEL_PROPERTIES
- DESCRIPTION
- E
- Description
-
-
- ZCL_EXCEL_PROPERTIES
- DOCSECURITY
- E
- DocSecurity
-
-
- ZCL_EXCEL_PROPERTIES
- HYPERLINKSCHANGED
- E
- Hyperlinks changed
-
-
- ZCL_EXCEL_PROPERTIES
- KEYWORDS
- E
- Keywords
-
-
- ZCL_EXCEL_PROPERTIES
- LASTMODIFIEDBY
- E
- Modified by
-
-
- ZCL_EXCEL_PROPERTIES
- LINKSUPTODATE
- E
- Links up to date
-
-
- ZCL_EXCEL_PROPERTIES
- MODIFIED
- E
- Modified on
-
-
- ZCL_EXCEL_PROPERTIES
- SCALECROP
- E
- ScaleCrop
-
-
- ZCL_EXCEL_PROPERTIES
- SHAREDDOC
- E
- Shared document
-
-
- ZCL_EXCEL_PROPERTIES
- SUBJECT
- E
- Subject
-
-
- ZCL_EXCEL_PROPERTIES
- TITLE
- E
- Title
-
-
-
-
-
diff --git a/src/zexcel_appversion.dtel.xml b/src/zexcel_appversion.dtel.xml
deleted file mode 100644
index e1184e9..0000000
--- a/src/zexcel_appversion.dtel.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-
-
-
-
-
- ZEXCEL_APPVERSION
- E
- CHAR07
- 19
- 10
- 19
- 20
- Application version
- Application version
- AppVersion
- Application version
- Application version
- E
- D
-
-
-
-
diff --git a/src/zif_excel_book_properties.intf.abap b/src/zif_excel_book_properties.intf.abap
index bb702fd..41865da 100644
--- a/src/zif_excel_book_properties.intf.abap
+++ b/src/zif_excel_book_properties.intf.abap
@@ -1,6 +1,7 @@
INTERFACE zif_excel_book_properties
PUBLIC .
+ TYPES tv_excel_appversion TYPE c LENGTH 7.
DATA creator TYPE zexcel_creator .
DATA lastmodifiedby TYPE zexcel_creator .
@@ -18,7 +19,7 @@ INTERFACE zif_excel_book_properties
DATA linksuptodate TYPE flag .
DATA shareddoc TYPE flag .
DATA hyperlinkschanged TYPE flag .
- DATA appversion TYPE zexcel_appversion .
+ DATA appversion TYPE tv_excel_appversion .
METHODS initialize .
ENDINTERFACE.