diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc.h b/arch/arm/soc/nxp_kinetis/k6x/soc.h
index 76755ff945a..f6a0e9a9d91 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/soc.h
+++ b/arch/arm/soc/nxp_kinetis/k6x/soc.h
@@ -33,8 +33,6 @@ extern "C" {
 
 /* IRQs */
 
-#define IRQ_SPI0 26
-#define IRQ_SPI1 27
 #define IRQ_ETH_IEEE1588_TMR 82
 #define IRQ_ETH_TX 83
 #define IRQ_ETH_RX 84
diff --git a/arch/arm/soc/nxp_kinetis/kwx/soc.h b/arch/arm/soc/nxp_kinetis/kwx/soc.h
index 376565735e2..7a5dcdbda8d 100644
--- a/arch/arm/soc/nxp_kinetis/kwx/soc.h
+++ b/arch/arm/soc/nxp_kinetis/kwx/soc.h
@@ -18,21 +18,12 @@ extern "C" {
 
 #define LPUART0_CLK_SRC kCLOCK_CoreSysClk
 
-/* IRQs */
-
-#define IRQ_SPI0 10
-#define IRQ_SPI1 29
-
 #endif
 
 #if defined(CONFIG_SOC_MKW22D5) || defined(CONFIG_SOC_MKW24D5)
 
 #define PERIPH_ADDR_BASE_WDOG 0x40052000 /* Watchdog Timer module */
 
-/* IRQs */
-#define IRQ_SPI0 26
-#define IRQ_SPI1 27
-
 #endif
 
 #ifndef _ASMLANGUAGE