diff --git a/src/plugins/wp/tests/wp_bts/bts_2471.i b/src/plugins/wp/tests/wp_bts/bts_2471.i
index 2419c0debd8c56f0daafc2f0bdae517aadb72fff..a25c144dafc34fea9b4067ea4e9e953d1ff1505e 100644
--- a/src/plugins/wp/tests/wp_bts/bts_2471.i
+++ b/src/plugins/wp/tests/wp_bts/bts_2471.i
@@ -4,7 +4,6 @@
 
 /* run.config_qualif
    OPT: -wp-timeout 1
-   OPT: -wp-prover native:alt-ergo -wp-timeout 1
    OPT: -wp-prover native:coq
  */
 
diff --git a/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.1.res.oracle b/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.1.res.oracle
index ffb3913bc3829c2336a99250827f72c490e1ca85..daef8736024e638253e9724c9732a577d90cb7df 100644
--- a/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.1.res.oracle
+++ b/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.1.res.oracle
@@ -1,12 +1,13 @@
-# frama-c -wp -wp-timeout 1 [...]
+# frama-c -wp [...]
 [kernel] Parsing tests/wp_bts/bts_2471.i (no preprocessing)
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
+[wp] Warning: native support for coq is deprecated, use tip instead
 [wp] 1 goal scheduled
-[wp] [Alt-Ergo (native)] Goal typed_foo_assert_ko : Unsuccess
+[wp] [Coq] Goal typed_foo_assert_ko : Default tactic
+[wp] [Coq (native)] Goal typed_foo_assert_ko : Unsuccess
 [wp] Proved goals:    0 / 1
-  Alt-Ergo (native):    0  (unsuccess: 1)
+  Coq (native):    0  (unsuccess: 1)
 ------------------------------------------------------------
  Functions                 WP     Alt-Ergo  Total   Success
   foo                       -        -        1       0.0%
diff --git a/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.2.res.oracle b/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.2.res.oracle
deleted file mode 100644
index daef8736024e638253e9724c9732a577d90cb7df..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_bts/oracle_qualif/bts_2471.2.res.oracle
+++ /dev/null
@@ -1,14 +0,0 @@
-# frama-c -wp [...]
-[kernel] Parsing tests/wp_bts/bts_2471.i (no preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] Warning: native support for coq is deprecated, use tip instead
-[wp] 1 goal scheduled
-[wp] [Coq] Goal typed_foo_assert_ko : Default tactic
-[wp] [Coq (native)] Goal typed_foo_assert_ko : Unsuccess
-[wp] Proved goals:    0 / 1
-  Coq (native):    0  (unsuccess: 1)
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  foo                       -        -        1       0.0%
-------------------------------------------------------------