diff --git a/vm/gc.cpp b/vm/gc.cpp
index 1c3d90e66d..afc1798911 100755
--- a/vm/gc.cpp
+++ b/vm/gc.cpp
@@ -155,10 +155,7 @@ void factor_vm::gc(gc_op op, cell requested_bytes, bool trace_contexts_p)
 	if(current_gc->op == collect_aging_op || current_gc->op == collect_to_tenured_op)
 	{
 		if(data->tenured->free_space() <= data->nursery->size + data->aging->size)
-		{
-			printf("upgrade\n");
 			current_gc->op = collect_full_op;
-		}
 	}
 
 	current_gc->event->op = current_gc->op;
@@ -178,10 +175,7 @@ void factor_vm::gc(gc_op op, cell requested_bytes, bool trace_contexts_p)
 		collect_mark_impl(trace_contexts_p);
 		collect_sweep_impl();
 		if(data->tenured->largest_free_block() <= data->nursery->size + data->aging->size)
-		{
-			printf("forced compaction\n");
 			collect_compact_impl(trace_contexts_p);
-		}
 		else
 			update_code_heap_words_and_literals();
 		break;