1 files changed, 0 insertions, 1 deletions
diff --git a/src/expr.c b/src/expr.c
index bbed1aeda..2a9395a8f 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -71,7 +71,6 @@ static char **args;
 char *program_name;
 
 char *xstrdup ();
-char *strstr ();
 char *xmalloc ();
 
 static VALUE *docolon __P ((VALUE *sv, VALUE *pv));