diff --git a/sys/powerpc/powermac/powermac_thermal.c b/sys/powerpc/powermac/powermac_thermal.c
index 2b1c383ded1..03dbb998559 100644
--- a/sys/powerpc/powermac/powermac_thermal.c
+++ b/sys/powerpc/powermac/powermac_thermal.c
@@ -61,7 +61,7 @@ static struct kproc_desc pmac_therm_kp = {
 
 SYSINIT(pmac_therm_setup, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, kproc_start,
     &pmac_therm_kp);
-SYSCTL_INT(_machdep, OID_AUTO, manage_fans, CTLFLAG_RW | CTLFLAG_TUN,
+SYSCTL_INT(_machdep, OID_AUTO, manage_fans, CTLFLAG_RWTUN,
     &enable_pmac_thermal, 1, "Enable automatic fan management");
 static MALLOC_DEFINE(M_PMACTHERM, "pmactherm", "Powermac Thermal Management");
 
diff --git a/sys/powerpc/powerpc/platform.c b/sys/powerpc/powerpc/platform.c
index 7993911a7c8..2393c266a65 100644
--- a/sys/powerpc/powerpc/platform.c
+++ b/sys/powerpc/powerpc/platform.c
@@ -68,7 +68,7 @@ static struct kobj_ops	plat_kernel_kops;
 static struct platform_kobj	plat_kernel_obj;
 
 static char plat_name[64] = "";
-SYSCTL_STRING(_hw, OID_AUTO, platform, CTLFLAG_RD | CTLFLAG_TUN,
+SYSCTL_STRING(_hw, OID_AUTO, platform, CTLFLAG_RDTUN,
     plat_name, 0, "Platform currently in use");
 
 static struct mem_affinity mem_info[VM_PHYSSEG_MAX + 1];