diff --git a/FreeRTOS/Demo/PIC32MZ_MPLAB/timertest.c b/FreeRTOS/Demo/PIC32MZ_MPLAB/timertest.c
index c2c829c7d..d186dc43b 100644
--- a/FreeRTOS/Demo/PIC32MZ_MPLAB/timertest.c
+++ b/FreeRTOS/Demo/PIC32MZ_MPLAB/timertest.c
@@ -117,7 +117,6 @@ void vSetupTimerTest( unsigned short usFrequencyHz )
 
 void vT2InterruptHandler( void )
 {
-extern unsigned long uxInterruptNesting;
 static unsigned long ulMaxNestingDepth = 0;
 
 	/* Keep a count of interrupts so the check timer can ensure they are