diff --git a/debian/var/models/example.xml b/debian/var/models/example.xml
deleted file mode 100644
index 41e61a9..0000000
--- a/debian/var/models/example.xml
+++ /dev/null
@@ -1,118 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<gem-graph-model version="0.1">
-
-    <!-- Model identity informations -->
-    <identity>
-       <name>Modèle de test</name>
-
-       <owner>Gaston Lagaffe</owner>
-
-       <owner_id>2</owner_id>
-
-       <date>1629830000</date>
-
-       <version>1.0</version>
-
-       <ref id="texte" date="1629830000" author="Jean" lang="en">Ref</ref>
-    </identity>
-
-    <!-- Model parameters -->
-    <parameters id="texte" date="0" author="Gaston Lagaffe">
-        <simulation>
-            <max_thread>0</max_thread>
-            <max_cycles>9</max_cycles>
-
-        </simulation>
-
-        <space-param>
-            <dimension>1</dimension>
-            <size x="29" y="0" z="0"/>
-            <site_multiplicity>3</site_multiplicity>
-
-        </space-param>
-
-    </parameters>
-
-    <!-- Model objects definition -->
-    <objects id="texte" date="1629830000" author="Jean Sirmai">
-        <object id="dimer 1-1" date="1629830000" author="Jean Sirmai">
-            <arrow x="0" y="0" z="0" site="1" weight="1"/>
-            <arrow x="1" y="0" z="0" site="2" weight="1"/>
-
-        </object>
-
-        <object id="dimer 2-2" date="1629830000" author="Jean Sirmai">
-            <arrow x="0" y="0" z="0" site="1" weight="2"/>
-            <arrow x="1" y="0" z="0" site="2" weight="2"/>
-
-        </object>
-
-        <object id="dimer 3-3" date="1629830000" author="Jean Sirmai">
-            <arrow x="0" y="0" z="0" site="1" weight="3"/>
-            <arrow x="1" y="0" z="0" site="2" weight="3"/>
-
-        </object>
-
-    </objects>
-
-    <!-- Saved space description (initial space is sequence 0) -->
-    <savestates id="texte" date="1629830000" author="THE MATRIX">
-      <space id="initial" date="1629830000" author="Jean Sirmai" sequence="0">
-          <arrow x="0"  y="0" z="0" site="1" weight="1"/>
-          <arrow x="1"  y="0" z="0" site="2" weight="1"/>
-
-          <arrow x="10" y="0" z="0" site="1" weight="1"/>
-          <arrow x="11" y="0" z="0" site="2" weight="1"/>
-
-          <arrow x="20" y="0" z="0" site="1" weight="1"/>
-          <arrow x="21" y="0" z="0" site="2" weight="1"/>
-
-      </space>
-
-    </savestates>
-
-    <!-- Model transitions definition (rules) -->
-    <!-- In this version : <xs:sequence minOccurs="0" maxOccurs="unbounded">-->
-    <!-- As long as there is no client, transitions have to be edited by hand
-         and should be written using a 'human-readable' format -->
-    <transitions id="texte" date="1629822222" author="Jean">
-
-      <transition id="move_a_dimer_to_east" date="1629811111" author="Jean"
-                  parent="root" probability="1">
-
-        <if>
-          <arrow x="0" y="0" z="0" site="1" weight="1"/>
-          <arrow x="1" y="0" z="0" site="2" weight="1"/>
-          <arrow x="2" y="0" z="0" site="1" weight="0"/>
-        </if>
-
-        <then>
-          <arrow x="0" y="0" z="0" site="1" weight="0"/>
-          <arrow x="1" y="0" z="0" site="2" weight="0"/>
-          <arrow x="1" y="0" z="0" site="1" weight="1"/>
-          <arrow x="2" y="0" z="0" site="2" weight="1"/>
-        </then>
-
-      </transition>
-
-      <transition id="move_a_dimer_to_west" date="1629811111" author="Jean"
-                  parent="root" probability="1">
-
-        <if>
-          <arrow x= "0" y="0" z="0" site="2" weight="1"/>
-          <arrow x="-1" y="0" z="0" site="1" weight="1"/>
-          <arrow x="-2" y="0" z="0" site="2" weight="0"/>
-        </if>
-
-        <then>
-          <arrow x= "0" y="0" z="0" site="2" weight="0"/>
-          <arrow x="-1" y="0" z="0" site="1" weight="0"/>
-          <arrow x="-1" y="0" z="0" site="2" weight="1"/>
-          <arrow x="-2" y="0" z="0" site="1" weight="1"/>
-        </then>
-
-      </transition>
-
-    </transitions>
-
-</gem-graph-model>
diff --git a/debian/var/models/schemas/model_0.1.xmls b/debian/var/models/schemas/model_0.1.xmls
deleted file mode 100644
index b2aa2ee..0000000
--- a/debian/var/models/schemas/model_0.1.xmls
+++ /dev/null
@@ -1,188 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-<!-- https://www.freeformatter.com/xml-validator-xsd.html -->
-<!-- https://www.w3schools.com/xml/el_attribute.asp  -->
-<xs:attribute name="id" type="xs:string"/>
-<xs:attribute name="date" type="xs:integer"/>
-<xs:attribute name="name" type="xs:string"/>
-<xs:attribute name="lang" type="xs:string"/>
-<xs:attribute name="owner" type="xs:string"/>
-<xs:attribute name="owner_id" type="xs:integer"/>
-<xs:attribute name="author" type="xs:string"/>
-<xs:attribute name="version" type="xs:float"/>
-<xs:attribute name="sequence" type="xs:integer"/>
-<xs:attribute name="probability" type="xs:integer"/>
-<xs:attribute name="parent" type="xs:string"/>
-<xs:attribute name="x" type="xs:integer" default="0"/>
-<xs:attribute name="y" type="xs:integer" default="0"/>
-<xs:attribute name="z" type="xs:integer" default="0"/>
-
-
-<xs:attributeGroup name="id_date_author">
-      <xs:attribute ref="id"/>
-      <xs:attribute ref="date"/>
-      <xs:attribute ref="author"/>
-</xs:attributeGroup>
-
-<xs:attributeGroup name="x_y_z">
-      <xs:attribute ref="x"/>
-      <xs:attribute ref="y"/>
-      <xs:attribute ref="z"/>
-</xs:attributeGroup>
-
-<xs:element name="ref">
-    <xs:complexType>
-        <xs:simpleContent>
-            <xs:extension base="xs:string">
-              <xs:attributeGroup ref="id_date_author"/>
-              <xs:attribute ref="lang" use="required"/>
-            </xs:extension>
-        </xs:simpleContent>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="quote" substitutionGroup="ref"/>
-
-<xs:element name="arrow">
-    <xs:complexType>
-        <xs:sequence>
-            <xs:element minOccurs="0" ref="quote"/>
-        </xs:sequence>
-        <xs:attributeGroup ref="x_y_z"/>
-        <xs:attribute name="site" type="xs:integer" default="1"/>
-        <xs:attribute name="weight" type="xs:integer" default="0"/>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="state">
-    <xs:complexType>
-    <xs:sequence minOccurs="1" maxOccurs="unbounded">
-        <xs:element ref="arrow"/>
-    </xs:sequence>
-    <xs:attributeGroup ref="id_date_author"/>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="object" substitutionGroup="state"/>
-
-<xs:element name="space">
-    <xs:complexType>
-    <xs:sequence minOccurs="1" maxOccurs="unbounded">
-        <xs:element ref="arrow"/>
-    </xs:sequence>
-    <xs:attributeGroup ref="id_date_author"/>
-    <xs:attribute ref="sequence" use="required"/>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="if">
-    <xs:complexType>
-    <xs:sequence minOccurs="0" maxOccurs="unbounded">
-        <xs:element minOccurs="0" ref="quote"/>
-        <xs:element ref="arrow"/>
-    </xs:sequence>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="then" substitutionGroup="if"/>
-
-<xs:element name="transition">
-    <xs:complexType>
-        <xs:sequence minOccurs="1" maxOccurs="1">
-            <xs:element minOccurs="0" ref="quote"/>
-            <xs:element ref="if"/>
-            <xs:element ref="then"/>
-        </xs:sequence>
-        <xs:attributeGroup ref="id_date_author"/>
-        <xs:attribute ref="parent" use="required"/>
-        <xs:attribute ref="probability" use="required"/>
-    </xs:complexType>
-</xs:element>
-
-<xs:element name="gem-graph-model">
-<xs:complexType>
-<xs:sequence>
-    <xs:element name="identity">
-        <xs:complexType>
-          <xs:sequence>
-              <xs:element name="name" type="xs:string"/>
-              <xs:element name="owner" type="xs:string"/>
-              <xs:element name="owner_id" type="xs:integer"/>
-              <xs:element name="date" type="xs:integer"/>
-              <xs:element name="version" type="xs:float"/>
-              <xs:element minOccurs="0" ref="ref"/>
-          </xs:sequence>
-        </xs:complexType>
-    </xs:element>
-
-        <xs:element name="parameters">
-        <xs:complexType>
-        <xs:sequence>
-
-            <xs:element name="simulation">
-                <xs:complexType>
-                <xs:sequence>
-
-                    <xs:element name="max_thread" type="xs:integer"/>
-
-                    <xs:element name="max_cycles" type="xs:integer"/>
-
-                </xs:sequence>
-                </xs:complexType>
-            </xs:element>
-
-            <xs:element name="space-param">
-                <xs:complexType>
-                <xs:sequence>
-
-                    <xs:element name="dimension" type="xs:integer"/>
-
-                    <xs:element name="size">
-                        <xs:complexType>
-                            <xs:attributeGroup ref="x_y_z"/>
-                        </xs:complexType>
-                    </xs:element>
-
-                    <xs:element name="site_multiplicity" type="xs:integer"/>
-
-              </xs:sequence>
-              </xs:complexType>
-          </xs:element>
-
-          </xs:sequence>
-          <xs:attributeGroup ref="id_date_author"/>
-          </xs:complexType>
-      </xs:element>
-
-      <xs:element name="objects">
-          <xs:complexType>
-          <xs:sequence minOccurs="1" maxOccurs="unbounded">
-              <xs:element ref="state"/>
-          </xs:sequence>
-          <xs:attributeGroup ref="id_date_author"/>
-          </xs:complexType>
-      </xs:element>
-
-      <xs:element name="savestates">
-          <xs:complexType>
-          <xs:sequence minOccurs="0" maxOccurs="unbounded">
-              <xs:element ref="space"/>
-          </xs:sequence>
-          <xs:attributeGroup ref="id_date_author"/>
-          </xs:complexType>
-      </xs:element>
-
-      <xs:element name="transitions">
-          <xs:complexType>
-          <xs:sequence minOccurs="0" maxOccurs="unbounded">
-              <xs:element ref="transition"/>
-          </xs:sequence>
-          <xs:attributeGroup ref="id_date_author"/>
-          </xs:complexType>
-      </xs:element>
-
-</xs:sequence>
-<xs:attribute ref="version" use="required"/>
-</xs:complexType>
-</xs:element>
-</xs:schema>