diff --git a/src/profanity.h b/src/profanity.h
index ffbe6d2a..a448c436 100644
--- a/src/profanity.h
+++ b/src/profanity.h
@@ -30,7 +30,6 @@ void prof_run(const int disable_tls, char *log_level, char *account_name);
 
 void prof_handle_idle(void);
 void prof_handle_activity(void);
-void prof_handle_duck_help(const char * const result);
 void prof_handle_roster_add(const char * const barejid, const char * const name);
 void prof_handle_already_in_group(const char * const contact, const char * const group);
 void prof_handle_not_in_group(const char * const contact, const char * const group);