3 files changed, 12 insertions, 3 deletions
diff --git a/src/ui/widget/dock-item.h b/src/ui/widget/dock-item.h
index 48cd71846..573307452 100644
--- a/src/ui/widget/dock-item.h
+++ b/src/ui/widget/dock-item.h
@@ -11,14 +11,16 @@
 #ifndef INKSCAPE_UI_WIGET_DOCK_ITEM_H
 #define INKSCAPE_UI_WIGET_DOCK_ITEM_H
 
-#include <gtkmm/button.h>
-#include <gtkmm/buttonbox.h>
+#include <gtkmm/box.h>
 #include <gtkmm/frame.h>
-#include <gtkmm/paned.h>
 #include <gtkmm/window.h>
 
 #include "libgdl/gdl.h"
 
+namespace Gtk {
+	class HButtonBox;
+}
+
 namespace Inkscape {
 namespace UI {
 namespace Widget {
diff --git a/src/ui/widget/tolerance-slider.cpp b/src/ui/widget/tolerance-slider.cpp
index 5846a0c64..72fd48344 100644
--- a/src/ui/widget/tolerance-slider.cpp
+++ b/src/ui/widget/tolerance-slider.cpp
@@ -15,6 +15,7 @@
 #include <gtkmm/adjustment.h>
 #include <gtkmm/box.h>
 #include <gtkmm/label.h>
+#include <gtkmm/radiobutton.h>
 #include <gtkmm/scale.h>
 
 #include "xml/repr.h"
diff --git a/src/ui/widget/tolerance-slider.h b/src/ui/widget/tolerance-slider.h
index 790ed0e74..d0b78e3c1 100644
--- a/src/ui/widget/tolerance-slider.h
+++ b/src/ui/widget/tolerance-slider.h
@@ -10,6 +10,12 @@
 #ifndef INKSCAPE_UI_WIDGET_TOLERANCE_SLIDER__H_
 #define INKSCAPE_UI_WIDGET_TOLERANCE_SLIDER__H_
 
+#include <gtkmm/radiobuttongroup.h>
+
+namespace Gtk {
+	class RadioButton;
+}
+
 namespace Inkscape {
 namespace UI {
 namespace Widget {