diff --git a/utils/utils.c b/utils/utils.c
index 22af9d6fa..1509a6b09 100644
--- a/utils/utils.c
+++ b/utils/utils.c
@@ -32,12 +32,6 @@
 #include <errno.h>
 #include <curl/curl.h>
 
-/* required for depricated warn_user interface */
-#include <stdbool.h>
-#include "utils/errors.h"
-#include "desktop/gui_misc.h"
-#include "desktop/gui_internal.h"
-
 #include "utils/config.h"
 #include "utils/log.h"
 #include "utils/messages.h"
@@ -581,9 +575,3 @@ nserror nsc_strntimet(const char *str, size_t size, time_t *timep)
 
         return NSERROR_OK;
 }
-
-/* exported interface documented in utils/utils.h */
-void warn_user(const char *message, const char *detail)
-{
-	guit->misc->warning(message, detail);
-}
diff --git a/utils/utils.h b/utils/utils.h
index ec4bb5cbd..855ef7fa3 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -116,16 +116,4 @@ struct dirent;
  */
 bool is_dir(const char *path);
 
-
-/**
- * Warn the user of an event.
- *
- * \warning depricated interface, this calls the warning entry in the
- *            miscellaneous gui table and discards the return code.
- *
- * \param[in] message A warning looked up in the message translation table
- * \param[in] detail Additional text to be displayed or NULL.
- */
-void warn_user(const char *message, const char *detail);
-
 #endif