diff --git a/openbox/session.c b/openbox/session.c
index 9deb9dfb..ed49d150 100644
--- a/openbox/session.c
+++ b/openbox/session.c
@@ -5,10 +5,14 @@
 #include "session.h"
 #include "client.h"
 
+GList *session_saved_state;
+
 void session_load(char *path) {}
 void session_startup(int argc, char **argv) {}
 void session_shutdown() {}
 ObSessionState* session_state_find(ObClient *c) { return NULL; }
+gboolean session_state_cmp(ObSessionState *s, struct _ObClient *c)
+{ return FALSE; }
 void session_state_free(ObSessionState *state) {}
 
 #else