diff --git a/arch/arm/include/asm/arch-stm32f7/rcc.h b/arch/arm/include/asm/arch-stm32f7/rcc.h
index cc9b57f803f2b3664570efef15efe89d8a72053e..a33f8cf9bc3cf377de98e91d7d85a30929af63ce 100644
--- a/arch/arm/include/asm/arch-stm32f7/rcc.h
+++ b/arch/arm/include/asm/arch-stm32f7/rcc.h
@@ -13,41 +13,19 @@
 /*
  * RCC AHB1ENR specific definitions
  */
-#define RCC_AHB1ENR_GPIO_A_EN		BIT(0)
-#define RCC_AHB1ENR_GPIO_B_EN		BIT(1)
-#define RCC_AHB1ENR_GPIO_C_EN		BIT(2)
-#define RCC_AHB1ENR_GPIO_D_EN		BIT(3)
-#define RCC_AHB1ENR_GPIO_E_EN		BIT(4)
-#define RCC_AHB1ENR_GPIO_F_EN		BIT(5)
-#define RCC_AHB1ENR_GPIO_G_EN		BIT(6)
-#define RCC_AHB1ENR_GPIO_H_EN		BIT(7)
-#define RCC_AHB1ENR_GPIO_I_EN		BIT(8)
-#define RCC_AHB1ENR_GPIO_J_EN		BIT(9)
-#define RCC_AHB1ENR_GPIO_K_EN		BIT(10)
 #define RCC_AHB1ENR_ETHMAC_EN		BIT(25)
 #define RCC_AHB1ENR_ETHMAC_TX_EN	BIT(26)
 #define RCC_AHB1ENR_ETHMAC_RX_EN	BIT(27)
-#define RCC_AHB1ENR_ETHMAC_PTP_EN	BIT(28)
-
-/*
- * RCC AHB3ENR specific definitions
- */
-#define RCC_AHB3ENR_FMC_EN		BIT(0)
-#define RCC_AHB3ENR_QSPI_EN             BIT(1)
 
 /*
  * RCC APB1ENR specific definitions
  */
 #define RCC_APB1ENR_TIM2EN		BIT(0)
-#define RCC_APB1ENR_USART2EN		BIT(17)
-#define RCC_APB1ENR_USART3EN		BIT(18)
 #define RCC_APB1ENR_PWREN		BIT(28)
 
 /*
  * RCC APB2ENR specific definitions
  */
-#define RCC_APB2ENR_USART1EN		BIT(4)
-#define RCC_APB2ENR_USART6EN		BIT(5)
 #define RCC_APB2ENR_SYSCFGEN		BIT(14)
 
 #endif
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32.h b/arch/arm/include/asm/arch-stm32f7/stm32.h
index d4c834eeddbb99671fa7d5c1116ae9608fa08d2a..12efee5d4805f84dac52b1f064f71c782beb0852 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32.h
@@ -58,7 +58,6 @@ static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
 };
 
 enum clock {
-	CLOCK_CORE,
 	CLOCK_AHB,
 	CLOCK_APB1,
 	CLOCK_APB2
@@ -101,11 +100,6 @@ struct stm32_rcc_regs {
 };
 #define STM32_RCC		((struct stm32_rcc_regs *)RCC_BASE)
 
-struct stm32_rcc_ext_f7_regs {
-	u32 dckcfgr2;	/* dedicated clocks configuration register */
-};
-#define STM32_RCC_EXT_F7	((struct stm32_rcc_ext_f7_regs *) (RCC_BASE + sizeof(struct stm32_rcc_regs)))
-
 struct stm32_pwr_regs {
 	u32 cr1;   /* power control register 1 */
 	u32 csr1;  /* power control/status register 2 */
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
index 3c5604ae29ad2d4caeab73de4bcf59f59286d480..9c1ec022332a494f725f854d011080f49fdf7b9d 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
@@ -21,24 +21,9 @@ enum periph_id {
 };
 
 enum periph_clock {
-	USART1_CLOCK_CFG = 0,
-	USART2_CLOCK_CFG,
-	GPIO_A_CLOCK_CFG,
-	GPIO_B_CLOCK_CFG,
-	GPIO_C_CLOCK_CFG,
-	GPIO_D_CLOCK_CFG,
-	GPIO_E_CLOCK_CFG,
-	GPIO_F_CLOCK_CFG,
-	GPIO_G_CLOCK_CFG,
-	GPIO_H_CLOCK_CFG,
-	GPIO_I_CLOCK_CFG,
-	GPIO_J_CLOCK_CFG,
-	GPIO_K_CLOCK_CFG,
 	SYSCFG_CLOCK_CFG,
 	TIMER2_CLOCK_CFG,
-	FMC_CLOCK_CFG,
 	STMMAC_CLOCK_CFG,
-	QSPI_CLOCK_CFG,
 };
 
 #endif /* __ASM_ARM_ARCH_PERIPH_H */
diff --git a/drivers/clk/clk_stm32f7.c b/drivers/clk/clk_stm32f7.c
index 5e20b0cbb79512bd90d5f6bce7534904e165239f..5bc650a7dd6dc25d0d130fe397bf726cf0791fc4 100644
--- a/drivers/clk/clk_stm32f7.c
+++ b/drivers/clk/clk_stm32f7.c
@@ -195,9 +195,6 @@ unsigned long clock_get(enum clock clck)
 	}
 
 	switch (clck) {
-	case CLOCK_CORE:
-		return sysclk;
-		break;
 	case CLOCK_AHB:
 		shift = ahb_psc_table[(
 			(readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)