diff --git a/src/plugins/value/domains/cvalue/builtins_malloc.ml b/src/plugins/value/domains/cvalue/builtins_malloc.ml
index c8588932c9f16984631e4e585496b84d3849dd12..283c8dd8384edd64e13c4b9282ce5361f03f2c11 100644
--- a/src/plugins/value/domains/cvalue/builtins_malloc.ml
+++ b/src/plugins/value/domains/cvalue/builtins_malloc.ml
@@ -405,7 +405,7 @@ let alloc_imprecise_weakest_alloc region _stack _prefix _sizev _state =
   in
   let var = create_new_var stack "alloc" type_base Weak in
   Value_parameters.warning ~wkey:wkey_imprecise_alloc ~current:true ~once:true
-    "@[warning: allocating a single weak variable for ALL dynamic allocations %s: %a@]"
+    "allocating a single weak variable for ALL dynamic allocations %s: %a"
     (string_of_region region) Printer.pp_varinfo var;
   let variable_v = Base.create_variable_validity ~weak:true
       ~min_alloc:Int.minus_one ~max_alloc:(Bit_utils.max_bit_address ())  in
diff --git a/tests/builtins/oracle/calloc.5.res.oracle b/tests/builtins/oracle/calloc.5.res.oracle
index 6d2516fe5edda554a96cf8a83f05aa17dd15d16b..31723119f89a996ac6e173c1818e4a29e79773f2 100644
--- a/tests/builtins/oracle/calloc.5.res.oracle
+++ b/tests/builtins/oracle/calloc.5.res.oracle
@@ -7,7 +7,7 @@
 [eva] tests/builtins/calloc.c:14: 
   Call to builtin Frama_C_calloc_imprecise_weakest for function calloc
 [eva:malloc:imprecise] tests/builtins/calloc.c:14: Warning: 
-  warning: allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
+  allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
 [eva] tests/builtins/calloc.c:17: 
   Call to builtin Frama_C_calloc_imprecise_weakest for function calloc
 [eva] tests/builtins/calloc.c:20: 
diff --git a/tests/builtins/oracle/malloc.res.oracle b/tests/builtins/oracle/malloc.res.oracle
index 558c45624470cb46c1b7aef68a489e060f4257c3..0fd1847bc24a81cb74b70c8b051e0b3bd49c3825 100644
--- a/tests/builtins/oracle/malloc.res.oracle
+++ b/tests/builtins/oracle/malloc.res.oracle
@@ -37,7 +37,7 @@
 [eva] tests/builtins/malloc.c:33: 
   Call to builtin Frama_C_malloc_imprecise_weakest
 [eva:malloc:imprecise] tests/builtins/malloc.c:33: Warning: 
-  warning: allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
+  allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
 [eva] tests/builtins/malloc.c:33: 
   Call to builtin Frama_C_malloc_imprecise_weakest
 [eva:alarm] tests/builtins/malloc.c:34: Warning: 
diff --git a/tests/builtins/oracle/realloc_imprecise.res.oracle b/tests/builtins/oracle/realloc_imprecise.res.oracle
index 05f617bdea13f3d831a369c411b755c62222fca4..7bb0194ab391b9b43b9f6e1acb0166aac58cfd7a 100644
--- a/tests/builtins/oracle/realloc_imprecise.res.oracle
+++ b/tests/builtins/oracle/realloc_imprecise.res.oracle
@@ -7,7 +7,7 @@
 [eva] tests/builtins/realloc_imprecise.c:10: 
   Call to builtin Frama_C_malloc_imprecise_weakest for function malloc
 [eva:malloc:imprecise] tests/builtins/realloc_imprecise.c:10: Warning: 
-  warning: allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
+  allocating a single weak variable for ALL dynamic allocations via malloc/calloc/realloc: __alloc_w_main
 [eva:alarm] tests/builtins/realloc_imprecise.c:11: Warning: 
   out of bounds write. assert \valid(p);
 [eva] tests/builtins/realloc_imprecise.c:13: