diff --git a/portable/GCC/AVR_AVRDx/porthardware.h b/portable/GCC/AVR_AVRDx/porthardware.h
index 4b0e04be0..34792b966 100644
--- a/portable/GCC/AVR_AVRDx/porthardware.h
+++ b/portable/GCC/AVR_AVRDx/porthardware.h
@@ -42,11 +42,6 @@
 									TCB1.INTCTRL = TCB_CAPT_bm; \
 									TCB1.CTRLA   = TCB_ENABLE_bm; \
 									}
-									
-	#define TICK_stop()				{ \
-									TCB1.INTCTRL &= ~TCB_CAPT_bm; \
-									TCB1.CTRLA   &= ~TCB_ENABLE_bm; \
-									}
 		
 #elif ( configUSE_TIMER_INSTANCE == 2 )
 
diff --git a/portable/GCC/AVR_Mega0/porthardware.h b/portable/GCC/AVR_Mega0/porthardware.h
index b0d9002c1..3c699f4f3 100644
--- a/portable/GCC/AVR_Mega0/porthardware.h
+++ b/portable/GCC/AVR_Mega0/porthardware.h
@@ -43,11 +43,6 @@
 									TCB1.CTRLA   = TCB_ENABLE_bm; \
 									}
 
-	#define TICK_stop()				{ \
-									TCB1.INTCTRL &= ~TCB_CAPT_bm; \
-									TCB1.CTRLA   &= ~TCB_ENABLE_bm; \
-									}
-
 #elif ( configUSE_TIMER_INSTANCE == 2 )
 
 	#define TICK_INT_vect			TCB2_INT_vect