1 files changed, 3 insertions, 0 deletions
diff --git a/internal.h b/internal.h
index df93632769..10e85c77b8 100644
--- a/internal.h
+++ b/internal.h
@@ -1119,6 +1119,9 @@ int rb_bug_reporter_add(void (*func)(FILE *, void *), void *data);
 VALUE rb_str_normalize_ospath(const char *ptr, long len);
 #endif
 
+/* hash.c (export) */
+VALUE rb_hash_delete_entry(VALUE hash, VALUE key);
+
 /* io.c (export) */
 void rb_maygvl_fd_fix_cloexec(int fd);