diff --git a/examples/conceptual/Attributes.thy b/examples/conceptual/Attributes.thy
index 84f381c1..78ab8653 100644
--- a/examples/conceptual/Attributes.thy
+++ b/examples/conceptual/Attributes.thy
@@ -12,16 +12,10 @@ print_doc_items
 ML\<open>  
 val {docobj_tab={tab = docitem_tab, ...},docclass_tab, ISA_transformer_tab, monitor_tab,...} 
     = DOF_core.get_data @{context};
-
 Symtab.dest docitem_tab;
 Symtab.dest docclass_tab;
 \<close>
  
-ML\<open>
-fun fac x = if x = 0 then 1 else x * (fac(x -1));
-fac 3;
-open Thm;
-\<close>
 
 text\<open>A text item containing standard theorem antiquotations and complex meta-information.\<close>
 text*[dfgdfg::B, Conceptual.B.x ="''f''", y = "[''sdf'']"]\<open> Lorem ipsum ...  @{thm refl} \<close> 
@@ -136,6 +130,6 @@ text\<open>@{trace_attribute figs1}\<close>
 text\<open>Final Status:\<close>
 print_doc_items
 print_doc_classes 
-
+check_doc_global
 end
 (*>*)
diff --git a/test/conceptual/Attributes.thy b/test/conceptual/Attributes.thy
deleted file mode 100644
index 451455f9..00000000
--- a/test/conceptual/Attributes.thy
+++ /dev/null
@@ -1,119 +0,0 @@
-theory Attributes
-  imports "../../ontologies/Conceptual"
-begin
-
-section\<open>Elementary Creation of DocItems and Access of their Attibutes\<close>
-
-text\<open>Current status:\<close>
-print_doc_classes
-print_doc_items
-
-(* corresponds to low-level accesses : *)
-ML\<open>  
-val {docobj_tab={tab = docitem_tab, ...},docclass_tab, ISA_transformer_tab, monitor_tab,...} 
-    = DOF_core.get_data @{context};
-Symtab.dest docitem_tab;
-"==============================================";
-Symtab.dest docclass_tab;
-\<close>
-
-text*[dfgdfg::B, Conceptual.B.x ="''f''", y = "[''sdf'']"]\<open> sdfsdfs sdfsdf sdfsdf @{thm refl} \<close> 
-
-typ "C"
-typ "D"
-ML\<open>val Type("Conceptual.B.B_ext",[Type("Conceptual.C.C_ext",t)]) = @{typ "C"};
-   val @{typ "D"} = ODL_Command_Parser.cid_2_cidType "Conceptual.D" @{theory};
-   val @{typ "E"}= ODL_Command_Parser.cid_2_cidType "Conceptual.E" @{theory};
-  \<close>
-
-text*[dfgdfg2::C, z = "None"]\<open> sdfsdfs sdfsdf sdfsdf @{thm refl} \<close> 
-
-text*[omega::E, x = "''def''"]\<open> sdfsdfs sdfsdf sdfsdf @{thm refl} \<close> 
-
-text\<open> @{docitem_ref \<open>dfgdfg\<close>} \<close>
-
-
-term "A.x (undefined\<lparr>A.x := 3\<rparr>)"
-term "B.x ((undefined::C)\<lparr>B.y := [''sdf'']\<rparr>)"
-term "C.z ((undefined::C)\<lparr>B.y := [''sdf''], z:= Some undefined\<rparr>)"
-
-ML\<open>
-val SOME {def_occurrence = "Conceptual.A", long_name = "Conceptual.A.x", typ = t, def_pos} 
-    = DOF_core.get_attribute_info  "Conceptual.A" "x" @{theory};
-DOF_core.get_attribute_info  "Conceptual.B" "x" @{theory};
-DOF_core.get_attribute_info  "Conceptual.B" "y" @{theory};
-DOF_core.get_attribute_info  "Conceptual.C" "x" @{theory};
-val SOME {def_occurrence = "Conceptual.C", long_name = "Conceptual.B.y", typ = t', def_pos}
-    = DOF_core.get_attribute_info  "Conceptual.C" "y" @{theory};
-    (* this is the situation where an attribute is defined in C, but due to inheritance
-       from B, where it is firstly declared which results in a different long_name. *)
-DOF_core.get_attribute_info  "Conceptual.C" "z" @{theory};
-\<close>
-
-
-ML\<open>
-DOF_core.get_value_local "sdf" @{context};
-DOF_core.get_value_local "sdfg" @{context};
-DOF_core.get_value_local "xxxy" @{context};
-DOF_core.get_value_local "dfgdfg" @{context};
-DOF_core.get_value_local "omega" @{context};
-\<close>
-
-text\<open>A not too trivial test: default y -> [].
-     At creation :  x -> "f", y -> "sdf".
-     The latter wins at access time.
-     Then @{term "t"}: creation of a multi inheritance object omega,
-     triple updates, the last one wins.\<close>
-ML\<open>val s =  map HOLogic.dest_string (HOLogic.dest_list @{docitem_attribute y::dfgdfg});
-   val t =   HOLogic.dest_string (@{docitem_attribute x::omega});  \<close>
-
-
-
-
-section\<open>Mutation of Attibutes in DocItems\<close>
-
-ML\<open> val  Const ("Groups.zero_class.zero", @{typ "int"}) =  @{docitem_attribute a2::omega} \<close>
-
-update_instance*[omega::E, a2+="1"]
-
-ML\<open> val Const ("Groups.one_class.one", @{typ "int"})=  @{docitem_attribute a2::omega} \<close>
-
-update_instance*[omega::E, a2+="6"]
-
-ML\<open>  @{docitem_attribute a2::omega} \<close>
-ML\<open>  HOLogic.dest_number @{docitem_attribute a2::omega} \<close>
-
-update_instance*[omega::E, x+="''inition''"]
-
-ML\<open> val s =   HOLogic.dest_string ( @{docitem_attribute x::omega}) \<close>
-                            
-update_instance*[omega::E, y+="[''defini'',''tion'']"]
-
-update_instance*[omega::E, y+="[''en'']"]
-
-ML\<open> val s =  map HOLogic.dest_string (HOLogic.dest_list @{docitem_attribute y::omega}); \<close>
-  
-section\<open>Simulation of a Monitor\<close>
-
-open_monitor*[figs1::figure_group, 
-              (* anchor="''fig-demo''", Achim ...*)
-              caption="''Sample ''"] 
-
-figure*[fig_A::figure, spawn_columns=False,relative_width="90",
-        src="''figures/A.png''"]
-       \<open> The A train \ldots \<close>
-
-figure*[fig_B::figure, spawn_columns=False,relative_width="90",
-        src="''figures/B.png''"]
-       \<open> The B train \ldots \<close>  
-
-close_monitor*[figs1]  
-
-text\<open>Resulting trace in figs1: \<close>
-ML\<open>@{trace_attribute figs1}\<close>
-
-print_doc_items
-
-check_doc_global
-
-end
\ No newline at end of file