diff --git a/contrib/neo_doxygen/src/tests/neo_doxygen_descriptions.nit b/contrib/neo_doxygen/src/tests/neo_doxygen_descriptions.nit
deleted file mode 100644
index ecd628ec97..0000000000
--- a/contrib/neo_doxygen/src/tests/neo_doxygen_descriptions.nit
+++ /dev/null
@@ -1,45 +0,0 @@
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# 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.
-
-import model::descriptions
-import json::serialization
-
-# Copied from the documentation of `Documentation`.
-
-var doc = new Documentation
-
-doc.brief_description = "Do something."
-doc.detailed_description = ["Do not lunch a rocket."]
-assert doc.brief_description == "Do something."
-assert doc.detailed_description == ["Do not lunch a rocket."]
-assert doc.to_json == """["Do something.","Do not lunch a rocket."]"""
-
-doc.brief_description = ""
-doc.detailed_description = ["The answer is `42`."]
-assert doc.brief_description == "The answer is `42`."
-assert doc.detailed_description == ["The answer is `42`."]
-assert doc.to_json == """["The answer is `42`."]"""
-
-doc.detailed_description = ["The answer is `42`."]
-doc.brief_description = ""
-assert doc.brief_description == "The answer is `42`."
-assert doc.detailed_description == ["The answer is `42`."]
-assert doc.to_json == """["The answer is `42`."]"""
-
-doc.detailed_description = new Array[String]
-doc.brief_description = ""
-assert doc.is_empty
-assert doc.brief_description == ""
-assert doc.detailed_description == new Array[String]
-assert doc.to_json == "[]"
diff --git a/contrib/neo_doxygen/src/tests/neo_doxygen_member_resolve_introducer.nit b/contrib/neo_doxygen/src/tests/neo_doxygen_member_resolve_introducer.nit
deleted file mode 100644
index 4909e9de5a..0000000000
--- a/contrib/neo_doxygen/src/tests/neo_doxygen_member_resolve_introducer.nit
+++ /dev/null
@@ -1,34 +0,0 @@
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# 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.
-
-import model::member
-
-# Copied from the documentation of `Member::resolve_introducer`.
-
-var g = new ProjectGraph("foo")
-var m1 = new Attribute(g)
-var m2 = new Attribute(g)
-var m3 = new Attribute(g)
-
-m1.model_id = "1"
-m1.put_in_graph
-m2.reimplement("1")
-m2.put_in_graph
-assert m1.resolve_introducer == m1.introducer
-assert m2.resolve_introducer == m1.introducer
-
-m3.model_id = "3"
-m3.reimplement("3")
-m3.put_in_graph
-assert m3.resolve_introducer == null
diff --git a/tests/sav/neo_doxygen_descriptions.res b/tests/sav/neo_doxygen_descriptions.res
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/tests/sav/neo_doxygen_member_resolve_introducer.res b/tests/sav/neo_doxygen_member_resolve_introducer.res
deleted file mode 100644
index e69de29bb2..0000000000