diff --git a/libnm-util/nm-utils.h b/libnm-util/nm-utils.h
index bd2e25db7..c85057d34 100644
--- a/libnm-util/nm-utils.h
+++ b/libnm-util/nm-utils.h
@@ -174,11 +174,4 @@ gboolean nm_utils_security_valid (NMUtilsSecurityType type,
                                   guint32 ap_wpa,
                                   guint32 ap_rsn);
 
-gboolean nm_utils_ap_security_compatible (NMConnection *connection,
-                                          guint32 ap_flags,
-                                          guint32 ap_wpa,
-                                          guint32 ap_rsn,
-                                          guint32 ap_mode);
-
-
 #endif /* NM_UTILS_H */