diff --git a/cpu/samd5x/cpu.c b/cpu/samd5x/cpu.c
index a1cf045119..5872a0ffa0 100644
--- a/cpu/samd5x/cpu.c
+++ b/cpu/samd5x/cpu.c
@@ -235,6 +235,5 @@ void cpu_init(void)
 
     /* set ONDEMAND bit after all clocks have been configured */
     /* This is to avoid setting the source for the main clock to ONDEMAND before using it. */
-    OSCCTRL->DFLLCTRLA.reg |= OSCCTRL_DFLLCTRLA_ONDEMAND;
     OSCCTRL->Dpll[0].DPLLCTRLA.reg |= OSCCTRL_DPLLCTRLA_ONDEMAND;
 }