diff --git a/src/alsa.h b/src/alsa.h
index 11315fa..00ad3e6 100644
--- a/src/alsa.h
+++ b/src/alsa.h
@@ -140,10 +140,6 @@ struct alsa_elem {
   // the callback functions for this ALSA control element
   GList *callbacks;
 
-  // for boolean buttons, the two possible texts
-  // for dual buttons, the four possible texts
-  const char *bool_text[4];
-
   // for simulated elements, the current state
   int  writable;
   long value;
diff --git a/src/widget-boolean.c b/src/widget-boolean.c
index 93cbb53..1029acf 100644
--- a/src/widget-boolean.c
+++ b/src/widget-boolean.c
@@ -6,6 +6,7 @@
 struct boolean {
   struct alsa_elem *elem;
   GtkWidget        *button;
+  const char       *text[2];
 };
 
 static void button_clicked(GtkWidget *widget, struct alsa_elem *elem) {
@@ -38,7 +39,7 @@ static void toggle_button_updated(
   int value = !!alsa_get_elem_value(elem);
   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->button), value);
 
-  toggle_button_set_text(data->button, elem->bool_text[value]);
+  toggle_button_set_text(data->button, data->text[value]);
 }
 
 GtkWidget *make_boolean_alsa_elem(
@@ -54,13 +55,13 @@ GtkWidget *make_boolean_alsa_elem(
     data->button, "clicked", G_CALLBACK(button_clicked), elem
   );
   alsa_elem_add_callback(elem, toggle_button_updated, data);
-  elem->bool_text[0] = disabled_text;
-  elem->bool_text[1] = enabled_text;
+  data->text[0] = disabled_text;
+  data->text[1] = enabled_text;
 
   // find the maximum width and height of both possible labels
   int max_width = 0, max_height = 0;
   for (int i = 0; i < 2; i++) {
-    toggle_button_set_text(data->button, elem->bool_text[i]);
+    toggle_button_set_text(data->button, data->text[i]);
 
     GtkRequisition *size = gtk_requisition_new();
     gtk_widget_get_preferred_size(data->button, size, NULL);
diff --git a/src/widget-dual.c b/src/widget-dual.c
index 80e5fbd..35a2066 100644
--- a/src/widget-dual.c
+++ b/src/widget-dual.c
@@ -7,6 +7,7 @@ struct dual_button {
   struct alsa_elem *elem;
   GtkWidget        *button1;
   GtkWidget        *button2;
+  const char       *text[4];
 };
 
 static void dual_button_clicked(GtkWidget *widget, struct dual_button *data) {
@@ -33,13 +34,13 @@ static void dual_button_updated(
   int value1 = !!value;
 
   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->button1), value1);
-  gtk_button_set_label(GTK_BUTTON(data->button1), elem->bool_text[value1]);
+  gtk_button_set_label(GTK_BUTTON(data->button1), data->text[value1]);
   gtk_widget_set_sensitive(data->button2, value1);
   if (value1) {
     int value2 = value - 1;
     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->button2), value2);
     gtk_button_set_label(
-      GTK_BUTTON(data->button2), elem->bool_text[value2 + 2]
+      GTK_BUTTON(data->button2), data->text[value2 + 2]
     );
   }
 }
@@ -68,10 +69,10 @@ GtkWidget *make_dual_boolean_alsa_elems(
     data->button2, "clicked", G_CALLBACK(dual_button_clicked), data
   );
   alsa_elem_add_callback(elem, dual_button_updated, data);
-  elem->bool_text[0] = disabled_text_1;
-  elem->bool_text[1] = enabled_text_1;
-  elem->bool_text[2] = disabled_text_2;
-  elem->bool_text[3] = enabled_text_2;
+  data->text[0] = disabled_text_1;
+  data->text[1] = enabled_text_1;
+  data->text[2] = disabled_text_2;
+  data->text[3] = enabled_text_2;
 
   gtk_button_set_label(GTK_BUTTON(data->button2), disabled_text_2);