diff --git a/src/evdev-fallback.h b/src/evdev-fallback.h
index 49c06c2c..514db96e 100644
--- a/src/evdev-fallback.h
+++ b/src/evdev-fallback.h
@@ -45,6 +45,22 @@ enum debounce_state {
 	DEBOUNCE_STATE_DISABLED = 999,
 };
 
+enum mt_slot_state {
+	SLOT_STATE_NONE,
+	SLOT_STATE_BEGIN,
+	SLOT_STATE_UPDATE,
+	SLOT_STATE_END,
+};
+
+struct mt_slot {
+	bool dirty;
+	enum mt_slot_state state;
+	int32_t seat_slot;
+	struct device_coords point;
+	struct device_coords hysteresis_center;
+	bool is_palm;
+};
+
 struct fallback_dispatch {
 	struct evdev_dispatch base;
 	struct evdev_device *device;
diff --git a/src/evdev.h b/src/evdev.h
index de706f02..347086a1 100644
--- a/src/evdev.h
+++ b/src/evdev.h
@@ -157,21 +157,6 @@ enum evdev_debounce_state {
 	DEBOUNCE_ACTIVE,
 };
 
-enum mt_slot_state {
-	SLOT_STATE_NONE,
-	SLOT_STATE_BEGIN,
-	SLOT_STATE_UPDATE,
-	SLOT_STATE_END,
-};
-
-struct mt_slot {
-	bool dirty;
-	enum mt_slot_state state;
-	int32_t seat_slot;
-	struct device_coords point;
-	struct device_coords hysteresis_center;
-};
-
 struct evdev_device {
 	struct libinput_device base;