1 files changed, 2 insertions, 0 deletions
diff --git a/decoder/trule.cc b/decoder/trule.cc
index 5ebc4c16..187a003d 100644
--- a/decoder/trule.cc
+++ b/decoder/trule.cc
@@ -100,6 +100,8 @@ namespace {
 // callback for lexer
 int n_assigned=0;
 void assign_trule(const TRulePtr& new_rule, const unsigned int ctf_level, const TRulePtr& coarse_rule, void* extra) {
+  (void) ctf_level;
+  (void) coarse_rule;
   TRule *assignto=(TRule *)extra;
   *assignto=*new_rule;
   ++n_assigned;