diff --git a/techpack/display/oplus/oplus_display_panel.c b/techpack/display/oplus/oplus_display_panel.c
index ea47959d639d..5c8c18d738dc 100644
--- a/techpack/display/oplus/oplus_display_panel.c
+++ b/techpack/display/oplus/oplus_display_panel.c
@@ -472,7 +472,7 @@ static int __init oplus_display_panel_init(void)
 	return rc;
 }
 
-void __exit oplus_display_panel_exit(void)
+static void __exit oplus_display_panel_exit(void)
 {
 	pr_info("%s\n", __func__);