diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc.c b/arch/arm/soc/nxp_kinetis/k6x/soc.c
index 0ce944ea2a9..889072edf2f 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/soc.c
+++ b/arch/arm/soc/nxp_kinetis/k6x/soc.c
@@ -168,11 +168,6 @@ static int fsl_frdm_k64f_init(struct device *arg)
 	/* disable interrupts */
 	oldLevel = irq_lock();
 
-	/* enable the port clocks */
-	SIM->SCGC5 |= (SIM_SCGC5_PORTA(1) | SIM_SCGC5_PORTB(1) |
-			       SIM_SCGC5_PORTC(1) | SIM_SCGC5_PORTD(1) |
-			       SIM_SCGC5_PORTE(1));
-
 	/* release I/O power hold to allow normal run state */
 	PMC->REGSC |= PMC_REGSC_ACKISO_MASK;
 
diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc.h b/arch/arm/soc/nxp_kinetis/k6x/soc.h
index f261aa0c3eb..6fc7df9619d 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/soc.h
+++ b/arch/arm/soc/nxp_kinetis/k6x/soc.h
@@ -179,12 +179,6 @@ extern "C" {
 
 #endif /* CONFIG_UART_K20 */
 
-#define PORT_K64_A_BASE_ADDR	0x40049000
-#define PORT_K64_B_BASE_ADDR	0x4004A000
-#define PORT_K64_C_BASE_ADDR	0x4004B000
-#define PORT_K64_D_BASE_ADDR	0x4004C000
-#define PORT_K64_E_BASE_ADDR	0x4004D000
-
 /*
  * PWM/FTM configuration settings
  */
@@ -218,15 +212,6 @@ extern "C" {
 
 #endif /* CONFIG_SPI_K64 */
 
-/*
- * PINMUX configuration settings
- */
-#if defined(CONFIG_PINMUX)
-
-#define PINMUX_NUM_PINS			160
-
-#endif /* CONFIG_PINMUX */
-
 #endif /* !_ASMLANGUAGE */
 
 #ifdef __cplusplus