diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 1fd96c1..318ab9c 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -430,7 +430,7 @@
 		next = rb_next(&he->rb_node_in);
 		if (!hist_entry__next_pair(he)) {
 			rb_erase(&he->rb_node_in, root);
-			hist_entry__free(he);
+			hist_entry__delete(he);
 		}
 	}
 }