diff --git a/cpu/arm926ejs/at91/clock.c b/cpu/arm926ejs/at91/clock.c
index 31e53b30dd3ab73302265054e3fa4cf498e6a8e9..f776f70b1151a095785cf920de78b6cebda39a87 100644
--- a/cpu/arm926ejs/at91/clock.c
+++ b/cpu/arm926ejs/at91/clock.c
@@ -126,6 +126,7 @@ static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq)
 fail:
 	return 0;
 }
+#endif
 
 static u32 at91_pll_rate(u32 freq, u32 reg)
 {
@@ -141,7 +142,6 @@ static u32 at91_pll_rate(u32 freq, u32 reg)
 
 	return freq;
 }
-#endif
 
 int at91_clock_init(unsigned long main_clock)
 {