diff --git a/bsps/include/dev/irq/arm-gic-tm27.h b/bsps/include/dev/irq/arm-gic-tm27.h
index ca3663a0f8..fde3e6392c 100644
--- a/bsps/include/dev/irq/arm-gic-tm27.h
+++ b/bsps/include/dev/irq/arm-gic-tm27.h
@@ -31,7 +31,6 @@
 
 #include <bsp.h>
 #include <bsp/irq.h>
-#include <libcpu/arm-cp15.h>
 
 #define MUST_WAIT_FOR_INTERRUPT 1
 
@@ -80,7 +79,7 @@ static inline void Cause_tm27_intr(void)
 {
   rtems_status_code sc = arm_gic_irq_generate_software_irq(
     ARM_GIC_TM27_IRQ_LOW,
-    1U << (arm_cp15_get_multiprocessor_affinity() & 0xff)
+    1U << _SMP_Get_current_processor()
   );
   assert(sc == RTEMS_SUCCESSFUL);
 }
@@ -94,7 +93,7 @@ static inline void Lower_tm27_intr(void)
 {
   rtems_status_code sc = arm_gic_irq_generate_software_irq(
     ARM_GIC_TM27_IRQ_HIGH,
-    1U << (arm_cp15_get_multiprocessor_affinity() & 0xff)
+    1U << _SMP_Get_current_processor()
   );
   assert(sc == RTEMS_SUCCESSFUL);
 }