diff --git a/src/gnome-utils/gnc-dense-cal.c b/src/gnome-utils/gnc-dense-cal.c
index 6a726869de..72b0bc39d5 100644
--- a/src/gnome-utils/gnc-dense-cal.c
+++ b/src/gnome-utils/gnc-dense-cal.c
@@ -97,8 +97,6 @@ enum gnc_dense_cal_signal_enum {
   LAST_SIGNAL
 };
 
-GtkWidget *gnc_dense_cal_new();
-
 static gint gnc_dense_cal_signals[LAST_SIGNAL] = { 0 };
 
 static void gnc_dense_cal_class_init (GncDenseCalClass *class);
@@ -346,7 +344,7 @@ gnc_dense_cal_init (GncDenseCal *dcal)
 }
 
 GtkWidget*
-gnc_dense_cal_new()
+gnc_dense_cal_new(void)
 {
         GncDenseCal *dcal;
         dcal = gtk_type_new (gnc_dense_cal_get_type ());
diff --git a/src/gnome-utils/gnc-dense-cal.h b/src/gnome-utils/gnc-dense-cal.h
index 8e5852b33d..9b470ec919 100644
--- a/src/gnome-utils/gnc-dense-cal.h
+++ b/src/gnome-utils/gnc-dense-cal.h
@@ -42,6 +42,12 @@ typedef struct _gdc_month_coords {
         gint x, y;
 } gdc_month_coords;
 
+enum GDC_COLORS {
+  MONTH_THIS = 0,
+  MONTH_THAT,
+  MAX_COLORS
+};
+
 struct _GncDenseCal
 {
         GtkWidget widget;
@@ -74,10 +80,6 @@ struct _GncDenseCal
         GdkFont *dayLabelFont;
         GdkPixmap *monthLabels[12];
 
-        enum GDC_COLORS {
-                MONTH_THIS = 0,
-                MONTH_THAT,
-                MAX_COLORS };
         GdkColor weekColors[MAX_COLORS];
 
         guint label_lbearing;
@@ -114,7 +116,7 @@ typedef struct _gdc_mark_data {
         GList *ourMarks;
 } gdc_mark_data;
 
-GtkWidget*     gnc_dense_cal_new                    ();
+GtkWidget*     gnc_dense_cal_new                    (void);
 GtkType        gnc_dense_cal_get_type               (void);
 
 void gnc_dense_cal_set_month( GncDenseCal *dcal, GDateMonth mon );