diff --git a/uisimulator/common/stubs.c b/uisimulator/common/stubs.c
index 2218c497f8..d1ec4ec6c2 100644
--- a/uisimulator/common/stubs.c
+++ b/uisimulator/common/stubs.c
@@ -250,10 +250,12 @@ bool charging_state(void)
 }
 #endif /* CONFIG_CHARGING */
 
+#ifndef USB_NONE
 bool usb_inserted(void)
 {
     return false;
 }
+#endif
 
 #ifdef HAVE_REMOTE_LCD_TICKING
 void lcd_remote_emireduce(bool state)