1 files changed, 0 insertions, 2 deletions
diff --git a/thread.c b/thread.c
index c2227d8297..ae0daa5d50 100644
--- a/thread.c
+++ b/thread.c
@@ -931,8 +931,6 @@ rb_thread_schedule(void)
     }
 }
 
-int rb_thread_critical; /* TODO: dummy variable */
-
 VALUE
 rb_thread_blocking_region(
     rb_blocking_function_t *func, void *data1,