diff --git a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingasset.cto b/packages/concerto-core/test/data/parser/classdeclaration.selfextendingasset.cto
deleted file mode 100644
index 1930aaa1b..000000000
--- a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingasset.cto
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace com.testing
-
-asset Self_Extending extends Self_Extending {
-  o String id
-  o String newValue
-}
diff --git a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingconcept.cto b/packages/concerto-core/test/data/parser/classdeclaration.selfextendingconcept.cto
deleted file mode 100644
index 2d8335aca..000000000
--- a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingconcept.cto
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace com.testing
-
-concept Self_Extending extends Self_Extending {
-  o String id
-  o String newValue
-}
diff --git a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingevent.cto b/packages/concerto-core/test/data/parser/classdeclaration.selfextendingevent.cto
deleted file mode 100644
index d24dd2db5..000000000
--- a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingevent.cto
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace com.testing
-
-event Self_Extending extends Self_Extending {
-  o String id
-  o String newValue
-}
diff --git a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingparticipant.cto b/packages/concerto-core/test/data/parser/classdeclaration.selfextendingparticipant.cto
deleted file mode 100644
index 6c14ed6b3..000000000
--- a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingparticipant.cto
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace com.testing
-
-participant Self_Extending extends Self_Extending {
-  o String id
-  o String newValue
-}
diff --git a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingtransaction.cto b/packages/concerto-core/test/data/parser/classdeclaration.selfextendingtransaction.cto
deleted file mode 100644
index ab470a3a3..000000000
--- a/packages/concerto-core/test/data/parser/classdeclaration.selfextendingtransaction.cto
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace com.testing
-
-transaction Self_Extending extends Self_Extending {
-  o String id
-  o String newValue
-}
diff --git a/packages/concerto-core/test/introspect/classdeclaration.js b/packages/concerto-core/test/introspect/classdeclaration.js
index a7aaf8e36..78546c073 100644
--- a/packages/concerto-core/test/introspect/classdeclaration.js
+++ b/packages/concerto-core/test/introspect/classdeclaration.js
@@ -142,41 +142,6 @@ describe('ClassDeclaration', () => {
             const clazz = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.scalararray.cto', ConceptDeclaration);
             clazz.validate();
         });
-
-        it('should throw when an asset is extending itself', () => {
-            let asset = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.selfextendingasset.cto', AssetDeclaration);
-            (() => {
-                asset.validate();
-            }).should.throw(/Class "Self_Extending" cannot extend itself./);
-        });
-
-        it('should throw when a concept is extending itself', () => {
-            let concept = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.selfextendingconcept.cto', ConceptDeclaration);
-            (() => {
-                concept.validate();
-            }).should.throw(/Class "Self_Extending" cannot extend itself./);
-        });
-
-        it('should throw when an event is extending itself', () => {
-            let event = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.selfextendingevent.cto', EventDeclaration);
-            (() => {
-                event.validate();
-            }).should.throw(/Class "Self_Extending" cannot extend itself./);
-        });
-
-        it('should throw when a participant is extending itself', () => {
-            let participant = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.selfextendingparticipant.cto', ParticipantDeclaration);
-            (() => {
-                participant.validate();
-            }).should.throw(/Class "Self_Extending" cannot extend itself./);
-        });
-
-        it('should throw when a transaction is extending itself', () => {
-            let transaction = introspectUtils.loadLastDeclaration('test/data/parser/classdeclaration.selfextendingtransaction.cto', TransactionDeclaration);
-            (() => {
-                transaction.validate();
-            }).should.throw(/Class "Self_Extending" cannot extend itself./);
-        });
     });
 
     describe('#accept', () => {