diff --git a/ports/esp32/machine_hw_spi.c b/ports/esp32/machine_hw_spi.c
index 2f4509f302..dedf7fc1ee 100644
--- a/ports/esp32/machine_hw_spi.c
+++ b/ports/esp32/machine_hw_spi.c
@@ -46,24 +46,13 @@
 
 // Default pins for SPI(id=1) aka IDF SPI2, can be overridden by a board
 #ifndef MICROPY_HW_SPI1_SCK
-#ifdef SPI2_IOMUX_PIN_NUM_CLK
 // Use IO_MUX pins by default.
 // If SPI lines are routed to other pins through GPIO matrix
 // routing adds some delay and lower limit applies to SPI clk freq
-#define MICROPY_HW_SPI1_SCK SPI2_IOMUX_PIN_NUM_CLK      // pin 14 on ESP32
-#define MICROPY_HW_SPI1_MOSI SPI2_IOMUX_PIN_NUM_MOSI    // pin 13 on ESP32
-#define MICROPY_HW_SPI1_MISO SPI2_IOMUX_PIN_NUM_MISO    // pin 12 on ESP32
-// Only for compatibility with IDF 4.2 and older
-#elif CONFIG_IDF_TARGET_ESP32S2
-#define MICROPY_HW_SPI1_SCK FSPI_IOMUX_PIN_NUM_CLK
-#define MICROPY_HW_SPI1_MOSI FSPI_IOMUX_PIN_NUM_MOSI
-#define MICROPY_HW_SPI1_MISO FSPI_IOMUX_PIN_NUM_MISO
-#else
 #define MICROPY_HW_SPI1_SCK SPI2_IOMUX_PIN_NUM_CLK
 #define MICROPY_HW_SPI1_MOSI SPI2_IOMUX_PIN_NUM_MOSI
 #define MICROPY_HW_SPI1_MISO SPI2_IOMUX_PIN_NUM_MISO
 #endif
-#endif
 
 // Default pins for SPI(id=2) aka IDF SPI3, can be overridden by a board
 #ifndef MICROPY_HW_SPI2_SCK