diff --git a/funcs/t.c b/funcs/t.c
index 94d46f64..d9c57ce5 100644
--- a/funcs/t.c
+++ b/funcs/t.c
@@ -16,8 +16,6 @@ float		global_fvalue;
 
 /* --------------------------------------------------------------------- */
 
-int fimg_classif_trial(FloatImg *src, FloatImg*dst, int notused);
-
 int essai_classif(char *infile)
 {
 FloatImg	src, dst;