diff --git a/src/z2ui5_cl_demo_app_010.clas.abap b/src/z2ui5_cl_demo_app_010.clas.abap
index 21f61f47..6f4c454b 100644
--- a/src/z2ui5_cl_demo_app_010.clas.abap
+++ b/src/z2ui5_cl_demo_app_010.clas.abap
@@ -28,13 +28,6 @@ CLASS Z2UI5_CL_DEMO_APP_010 IMPLEMENTATION.
 
     page->header_content(
       )->button( text = 'button'
-      )->text( 'text'
-      )->link(
-        text = 'link' target = '_blank'
-        href = 'https://twitter.com/abap2UI5'
-      )->link(
-        text = 'Source_Code' target = '_blank'
-
        ).
 
     page->sub_header(
diff --git a/src/z2ui5_cl_demo_app_012.clas.abap b/src/z2ui5_cl_demo_app_012.clas.abap
index 9c2e1737..821c0b60 100644
--- a/src/z2ui5_cl_demo_app_012.clas.abap
+++ b/src/z2ui5_cl_demo_app_012.clas.abap
@@ -66,11 +66,7 @@ CLASS Z2UI5_CL_DEMO_APP_012 IMPLEMENTATION.
             title          = 'abap2UI5 - Popups'
             navbuttonpress = client->_event( val = 'BACK' )
             shownavbutton = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL )
-            )->header_content(
-                )->link(
-                    text = 'Source_Code' target = '_blank'
-
-            )->get_parent( ).
+            ).
 
     DATA(grid) = page->grid( 'L7 M12 S12' )->content( 'layout'
         )->simple_form( 'Popup in same App' )->content( 'form'
diff --git a/src/z2ui5_cl_demo_app_018.clas.abap b/src/z2ui5_cl_demo_app_018.clas.abap
index 70f15f45..d7623be0 100644
--- a/src/z2ui5_cl_demo_app_018.clas.abap
+++ b/src/z2ui5_cl_demo_app_018.clas.abap
@@ -69,11 +69,6 @@ CLASS Z2UI5_CL_DEMO_APP_018 IMPLEMENTATION.
                 title          = 'abap2UI5 - Template'
                 navbuttonpress = client->_event( val = 'BACK' )
                 shownavbutton = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL )
-            )->header_content(
-                )->link(
-                    text = 'Source_Code' target = '_blank'
-
-            )->get_parent(
             )->simple_form( title = 'VIEW_MAIN' editable = abap_true
                 )->content( 'form'
                     )->title( 'Input'
diff --git a/src/z2ui5_cl_demo_app_034.clas.abap b/src/z2ui5_cl_demo_app_034.clas.abap
index 16fa62b2..8946bf7f 100644
--- a/src/z2ui5_cl_demo_app_034.clas.abap
+++ b/src/z2ui5_cl_demo_app_034.clas.abap
@@ -34,10 +34,7 @@ CLASS Z2UI5_CL_DEMO_APP_034 IMPLEMENTATION.
                 title          = 'abap2UI5 - Popups'
                 navbuttonpress = client->_event( 'BACK' )
                 shownavbutton = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL )
-            )->header_content(
-                )->link(
-                    text = 'Source_Code' target = '_blank'
-           )->get_parent( ).
+        ).
 
     DATA(grid) = page->grid( 'L8 M12 S12' )->content( 'layout' ).