diff --git a/firmware/common/si5351c.c b/firmware/common/si5351c.c
index c5f8b713..2dad97b6 100644
--- a/firmware/common/si5351c.c
+++ b/firmware/common/si5351c.c
@@ -199,16 +199,10 @@ void si5351c_configure_clock_control(si5351c_driver_t* const drv, const enum pll
 
 void si5351c_enable_clock_outputs(si5351c_driver_t* const drv)
 {
-#ifdef RAD1O
 	/* Enable CLK outputs 0, 1, 2, 4, 5 only. */
 	/* 7: Clock to CPU is deactivated as it is not used and creates noise */
-	/* 3: External clock output is deactivated as it is not used and creates noise */
+	/* 3: External clock output is deactivated by default */
 	uint8_t data[] = { 3, ~((1 << 0) | (1 << 1) | (1 << 2) | (1 << 4) | (1 << 5))};
-#else
-	/* Enable CLK outputs 0, 1, 2, 3, 4, 5. */
-	/* 7: Clock to CPU is deactivated as it is not used and creates noise */
-	uint8_t data[] = { 3, ~((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5))};
-#endif
 	si5351c_write(drv, data, sizeof(data));
 }