diff --git a/drivers/802.15.4/cc2520.c b/drivers/802.15.4/cc2520.c
index bd1c3c65a8c..cfc0041b378 100644
--- a/drivers/802.15.4/cc2520.c
+++ b/drivers/802.15.4/cc2520.c
@@ -111,7 +111,6 @@ static bool init_ok;
 #define CC2520_ENABLE_FIFOP_INT() cc2520_enable_fifop_int(1)
 #define CC2520_DISABLE_FIFOP_INT() cc2520_enable_fifop_int(0)
 #define CC2520_FIFOP_INT_INIT() cc2520_init_fifop_int(cc2520_gpio_int_handler)
-#define CC2520_CLEAR_FIFOP_INT() cc2520_clear_fifop_int()
 #define SET_VREG_ACTIVE() cc2520_set_vreg(1)
 #define SET_VREG_INACTIVE() cc2520_set_vreg(0)
 #define SET_RESET_ACTIVE() cc2520_set_reset(0)
@@ -957,8 +956,6 @@ static void cc2520_gpio_int_handler(struct device *port, uint32_t pin)
 	 * instance
 	 */
 
-	CC2520_CLEAR_FIFOP_INT();
-
 	nano_isr_sem_give(&info->read_lock);
 }
 
diff --git a/drivers/802.15.4/cc2520_arch.h b/drivers/802.15.4/cc2520_arch.h
index b9c17835598..343554c2a07 100644
--- a/drivers/802.15.4/cc2520_arch.h
+++ b/drivers/802.15.4/cc2520_arch.h
@@ -286,11 +286,6 @@ static inline void cc2520_enable_fifop_int(int enable)
 	}
 }
 
-static inline void cc2520_clear_fifop_int(void)
-{
-	/* Do nothing */
-}
-
 static inline void cc2520_init_fifop_int(cc2520_gpio_int_handler_t handler)
 {
 	gpio_set_callback(CC2520_GPIO(FIFOP), handler);