diff --git a/gc.c b/gc.c
index 3f4903d836..cc012f9e91 100644
--- a/gc.c
+++ b/gc.c
@@ -5659,8 +5659,6 @@ gc_sweep_finish_size_pool(rb_objspace_t *objspace, rb_size_pool_t *size_pool)
             if (extend_page_count > size_pool->allocatable_pages) {
                 size_pool_allocatable_pages_set(objspace, size_pool, extend_page_count);
             }
-
-            heap_increment(objspace, size_pool, SIZE_POOL_EDEN_HEAP(size_pool));
         }
     }
 }