diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index de60dd4ee5d3a0d4abf0d06d5bf3c19a3c8f0ed7..69e28950a328be780b9ea15329313368e62e29bb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -328,10 +328,6 @@ static void perf_event__synthesize_guest_os(struct machine *machine, void *data)
 {
 	int err;
 	struct perf_tool *tool = data;
-
-	if (machine__is_host(machine))
-		return;
-
 	/*
 	 *As for guest kernel when processing subcommand record&report,
 	 *we arrange module mmap prior to guest kernel mmap and trigger
@@ -574,9 +570,10 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 		       "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
 		       "Check /proc/modules permission or run as root.\n");
 
-	if (perf_guest)
-		perf_session__process_machines(session, tool,
-					       perf_event__synthesize_guest_os);
+	if (perf_guest) {
+		machines__process(&session->machines,
+				  perf_event__synthesize_guest_os, tool);
+	}
 
 	if (!opts->target.system_wide)
 		err = perf_event__synthesize_thread_map(tool, evsel_list->threads,
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 8c23025041991a57677d69861cc0c761fc855b97..426ca0c3c5b64b53a5360814678bbf3b3a1e3039 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -101,15 +101,6 @@ struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t p
 	return machines__findnew(&self->machines, pid);
 }
 
-static inline
-void perf_session__process_machines(struct perf_session *self,
-				    struct perf_tool *tool,
-				    machine__process_t process)
-{
-	process(&self->host_machine, tool);
-	return machines__process(&self->machines, process, tool);
-}
-
 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);