diff --git a/sys/dev/atkbdc/psm.c b/sys/dev/atkbdc/psm.c
index ce609a7ec849..4d9ce505bbb3 100644
--- a/sys/dev/atkbdc/psm.c
+++ b/sys/dev/atkbdc/psm.c
@@ -2176,8 +2176,8 @@ psmsoftintr(void *arg)
 	MOUSE_BUTTON1DOWN,
 	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN
     };
-    static int touchpad_buttons = 0;
-    static int guest_buttons = 0;
+    static int touchpad_buttons;
+    static int guest_buttons;
     register struct psm_softc *sc = arg;
     mousestatus_t ms;
     int w, x, y, z;
diff --git a/sys/isa/psm.c b/sys/isa/psm.c
index ce609a7ec849..4d9ce505bbb3 100644
--- a/sys/isa/psm.c
+++ b/sys/isa/psm.c
@@ -2176,8 +2176,8 @@ psmsoftintr(void *arg)
 	MOUSE_BUTTON1DOWN,
 	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN
     };
-    static int touchpad_buttons = 0;
-    static int guest_buttons = 0;
+    static int touchpad_buttons;
+    static int guest_buttons;
     register struct psm_softc *sc = arg;
     mousestatus_t ms;
     int w, x, y, z;