diff --git a/ui/gtk/gui_stat_menu.h b/ui/gtk/gui_stat_menu.h
index 006995bb50..d8082c8b8e 100644
--- a/ui/gtk/gui_stat_menu.h
+++ b/ui/gtk/gui_stat_menu.h
@@ -142,8 +142,6 @@ void gsm_a_stat_gtk_dtap_sm_cb(GtkAction *action, gpointer user_data);
 void gsm_a_stat_gtk_dtap_ss_cb(GtkAction *action, gpointer user_data);
 void gsm_a_stat_gtk_dtap_tp_cb(GtkAction *action, gpointer user_data);
 void gsm_a_stat_gtk_sacch_rr_cb(GtkAction *action, gpointer user_data);
-void gtk_mac_lte_stat_init(const char *opt_arg, void *userdata);
-void gtk_rlc_lte_stat_init(const char *opt_arg, void *userdata);
 
 void gsm_map_stat_gtk_cb(GtkAction *action, gpointer user_data);
 void gsm_map_stat_gtk_sum_cb(GtkAction *action, gpointer user_data);
diff --git a/ui/gtk/mac_lte_stat_dlg.c b/ui/gtk/mac_lte_stat_dlg.c
index d3834d9889..4b7d0804aa 100644
--- a/ui/gtk/mac_lte_stat_dlg.c
+++ b/ui/gtk/mac_lte_stat_dlg.c
@@ -995,7 +995,7 @@ static void win_destroy_cb(GtkWindow *win _U_, gpointer data)
 
 
 /* Create a new MAC LTE stats dialog */
-void gtk_mac_lte_stat_init(const char *opt_arg, void *userdata _U_)
+static void gtk_mac_lte_stat_init(const char *opt_arg, void *userdata _U_)
 {
     mac_lte_stat_t *hs;
     const char *filter = NULL;
diff --git a/ui/gtk/rlc_lte_stat_dlg.c b/ui/gtk/rlc_lte_stat_dlg.c
index 52b004bf24..4d6c9babfc 100644
--- a/ui/gtk/rlc_lte_stat_dlg.c
+++ b/ui/gtk/rlc_lte_stat_dlg.c
@@ -1248,7 +1248,7 @@ static void dl_graph_clicked(GtkWidget *win _U_,  rlc_lte_stat_t* hs)
 
 
 /* Create a new RLC LTE stats dialog */
-void gtk_rlc_lte_stat_init(const char *opt_arg, void *userdata _U_)
+static void gtk_rlc_lte_stat_init(const char *opt_arg, void *userdata _U_)
 {
     rlc_lte_stat_t    *hs;
     const char        *filter = NULL;