1 files changed, 0 insertions, 1 deletions
diff --git a/iseq.c b/iseq.c
index d1d8b4124a..c0cf98357f 100644
--- a/iseq.c
+++ b/iseq.c
@@ -271,7 +271,6 @@ prepare_iseq_build(rb_iseq_t *iseq,
 
     iseq->coverage = Qfalse;
     if (!GET_THREAD()->parse_in_eval) {
-	extern VALUE rb_get_coverages(void);
 	VALUE coverages = rb_get_coverages();
 	if (RTEST(coverages)) {
 	    iseq->coverage = rb_hash_lookup(coverages, filename);