diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9ff7351fc..c0708f8b5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -249,7 +249,6 @@ TESTS_twa = \
   core/maskkeep.test \
   core/prodchain.test \
   core/prodor.test \
-  core/simdet.test \
   core/sim2.test \
   core/sim3.test \
   core/ltl2tgba.test \
diff --git a/tests/core/simdet.test b/tests/core/simdet.test
deleted file mode 100755
index 9272a9416..000000000
--- a/tests/core/simdet.test
+++ /dev/null
@@ -1,40 +0,0 @@
-#! /bin/sh
-# -*- coding: utf-8 -*-
-# Copyright (C) 2012 Laboratoire de Recherche et Développement
-# de l'Epita (LRDE).
-#
-# This file is part of Spot, a model checking library.
-#
-# Spot is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# Spot is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-# License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-. ./defs
-set -e
-
-run 0 ../ikwiad -R3 -RIS \
-'G("P_1.p2" <-> (F"P_1.p3" & ("P_0.p3" | (X"P_1.CS" U "P_1.p2")))) U G"P_1.p2"'\
- > exp
-run 0 ../ikwiad -R3 -RIS \
-'G("P_1.p2" <-> (F"P_1.p3" & ("P_0.p3" | (X"P_1.CS" U "P_1.p2")))) U G"P_1.p2"'\
- > out
-
-diff exp out
-
-run 0 ../ikwiad -R3 -RIS \
-'G("P_1.p2" <-> (F"P_1.p3" & ("P_0.p3" | (X"P_1.CS" U "P_1.p2")))) U G"P_1.p2"'\
- > out
-
-diff exp out
-
-rm exp out
-