diff --git a/include/backend/session/dev_demi.h b/include/backend/session/dev_demi.h
new file mode 100644
index 000000000..b2a113fa6
--- /dev/null
+++ b/include/backend/session/dev_demi.h
@@ -0,0 +1,11 @@
+#include <wayland-server-core.h>
+
+#ifndef BACKEND_SESSION_DEV_DEMI_H
+#define BACKEND_SESSION_DEV_DEMI_H
+
+struct dev {
+	int fd;
+	struct wl_event_source *event;
+};
+
+#endif