diff --git a/cpu/kinetis/include/cpu_conf.h b/cpu/kinetis/include/cpu_conf.h
index ac3ac66fae..ec8282b3e5 100644
--- a/cpu/kinetis/include/cpu_conf.h
+++ b/cpu/kinetis/include/cpu_conf.h
@@ -19,6 +19,19 @@
 #ifndef CPU_CONF_H
 #define CPU_CONF_H
 
+/* This is needed to homogenize the symbolic IRQ names across different versions
+ * of the vendor headers. These must be defined before any vendor headers are
+ * included */
+#define FTFA_IRQn FTF_IRQn
+#define FTFA_Collision_IRQn Read_Collision_IRQn
+#define FTFE_IRQn FTF_IRQn
+#define FTFE_Collision_IRQn Read_Collision_IRQn
+#define FTFL_IRQn FTF_IRQn
+#define FTFL_Collision_IRQn Read_Collision_IRQn
+#define PMC_IRQn LVD_LVW_IRQn
+#define Watchdog_IRQn WDOG_EWM_IRQn
+#define LVD_LVW_DCDC_IRQn LVD_LVW_IRQn
+
 /* Dispatch to a separate file per family */
 #if defined(KINETIS_SERIES_K)
 #include "cpu_conf_kinetis_k.h"
diff --git a/cpu/kinetis/vectors.c b/cpu/kinetis/vectors.c
index 12a3775b71..4ca2d86d57 100644
--- a/cpu/kinetis/vectors.c
+++ b/cpu/kinetis/vectors.c
@@ -26,20 +26,6 @@
  * @name Interrupt vector definition
  * @{
  */
-
-/* This is needed to homogenize the symbolic IRQ names across different versions
- * of the vendor headers. These must be defined before any vendor headers are
- * included */
-#define FTFA_IRQn FTF_IRQn
-#define FTFA_Collision_IRQn Read_Collision_IRQn
-#define FTFE_IRQn FTF_IRQn
-#define FTFE_Collision_IRQn Read_Collision_IRQn
-#define FTFL_IRQn FTF_IRQn
-#define FTFL_Collision_IRQn Read_Collision_IRQn
-#define PMC_IRQn LVD_LVW_IRQn
-#define Watchdog_IRQn WDOG_EWM_IRQn
-#define LVD_LVW_DCDC_IRQn LVD_LVW_IRQn
-
 #include "vectors_kinetis.h"
 
 /* CPU specific interrupt vector table */