diff --git a/sys/arm/at91/std.at91sam9 b/sys/arm/at91/std.at91sam9
index 75c3276fb384..307da6dbe8de 100644
--- a/sys/arm/at91/std.at91sam9
+++ b/sys/arm/at91/std.at91sam9
@@ -4,6 +4,7 @@ files		"../at91/files.at91"
 cpu		CPU_ARM9
 makeoptions	CONF_CFLAGS=-mcpu=arm9
 options 	PHYSADDR=0x20000000
+options		NO_EVENTTIMERS
 
 # bring in the sam specific timers and such
 device		at91sam9
diff --git a/sys/arm/at91/std.at91sam9g45 b/sys/arm/at91/std.at91sam9g45
index 7e7c1a3ccd24..9375363a496d 100644
--- a/sys/arm/at91/std.at91sam9g45
+++ b/sys/arm/at91/std.at91sam9g45
@@ -9,6 +9,7 @@ files		"../at91/files.at91"
 cpu		CPU_ARM9
 makeoptions	CONF_CFLAGS=-mcpu=arm9
 options 	PHYSADDR=0x70000000
+options		NO_EVENTTIMERS
 
 # bring in the sam specific timers and such
 device		at91sam9