diff --git a/ArduCopter/motors.pde b/ArduCopter/motors.pde
index bb2e4494cd8b5af1a175f637fdeb3cb77c277018..0afc2d1586dd0f3e448bbc868a3cd4546a0bb067 100644
--- a/ArduCopter/motors.pde
+++ b/ArduCopter/motors.pde
@@ -317,7 +317,7 @@ static void pre_arm_checks(bool display_failure)
             return;
         }
     }
-
+#if CONFIG_HAL_BOARD != HAL_BOARD_VRBRAIN
 #ifndef CONFIG_ARCH_BOARD_PX4FMU_V1
     // check board voltage
     if ((g.arming_check == ARMING_CHECK_ALL) || (g.arming_check & ARMING_CHECK_VOLTAGE)) {
@@ -328,6 +328,7 @@ static void pre_arm_checks(bool display_failure)
             return;
         }
     }
+#endif
 #endif
 
     // check various parameter values