1 files changed, 1 insertions, 5 deletions
diff --git a/gc.c b/gc.c
index 2d489ac679..77ab210923 100644
--- a/gc.c
+++ b/gc.c
@@ -535,7 +535,6 @@ VALUE *ruby_initial_gc_stress_ptr = &rb_objspace.gc_stress;
 
 int ruby_gc_debug_indent = 0;
 VALUE rb_mGC;
-extern st_table *rb_class_tbl;
 int ruby_disable_gc_stress = 0;
 
 void rb_gcdebug_print_obj_condition(VALUE obj);
@@ -3453,7 +3452,7 @@ gc_mark_stacked_objects(rb_objspace_t *objspace)
     shrink_stack_chunk_cache(mstack);
 }
 
-#define RGENGC_PRINT_TICK 1
+#define RGENGC_PRINT_TICK 0
 /* the following code is only for internal tuning. */
 
 /* Source code to use RDTSC is quoted and modified from
@@ -3597,9 +3596,6 @@ gc_marks_body(rb_objspace_t *objspace, int full_mark)
     MARK_CHECKPOINT;
     rb_gc_mark_global_tbl();
 
-    MARK_CHECKPOINT;
-    mark_tbl(objspace, rb_class_tbl);
-
     /* mark generic instance variables for special constants */
     MARK_CHECKPOINT;
     rb_mark_generic_ivar_tbl();