1 files changed, 0 insertions, 5 deletions
diff --git a/py/gc.h b/py/gc.h
index c698c7d21..bb7e2d440 100644
--- a/py/gc.h
+++ b/py/gc.h
@@ -39,11 +39,6 @@ void gc_lock(void);
 void gc_unlock(void);
 bool gc_is_locked(void);
 
-// This variable controls auto garbage collection.  If set to 0 then the
-// GC won't automatically run when gc_alloc can't find enough blocks.  But
-// you can still allocate/free memory and also explicitly call gc_collect.
-extern uint16_t gc_auto_collect_enabled;
-
 // A given port must implement gc_collect by using the other collect functions.
 void gc_collect(void);
 void gc_collect_start(void);