diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c
index dce4996f42..62a8a43bf1 100644
--- a/components/esp_hw_support/sleep_modes.c
+++ b/components/esp_hw_support/sleep_modes.c
@@ -532,13 +532,9 @@ static void IRAM_ATTR resume_timers(uint32_t pd_flags) {
 static void IRAM_ATTR flush_uarts(void)
 {
     for (int i = 0; i < SOC_UART_NUM; ++i) {
-#ifdef CONFIG_IDF_TARGET_ESP32
-        esp_rom_uart_tx_wait_idle(i);
-#else
         if (periph_ll_periph_enabled(PERIPH_UART0_MODULE + i)) {
             esp_rom_uart_tx_wait_idle(i);
         }
-#endif
     }
 }
 
@@ -551,11 +547,9 @@ static IRAM_ATTR void suspend_uarts(void)
 {
     s_suspended_uarts_bmap = 0;
     for (int i = 0; i < SOC_UART_NUM; ++i) {
-#ifndef CONFIG_IDF_TARGET_ESP32
         if (!periph_ll_periph_enabled(PERIPH_UART0_MODULE + i)) {
             continue;
         }
-#endif
         uart_ll_force_xoff(i);
         s_suspended_uarts_bmap |= BIT(i);
 #if SOC_UART_SUPPORT_FSM_TX_WAIT_SEND