diff --git a/src/frontends/qt4/GuiBox.cpp b/src/frontends/qt4/GuiBox.cpp
index 0999039dda..e4d425692a 100644
--- a/src/frontends/qt4/GuiBox.cpp
+++ b/src/frontends/qt4/GuiBox.cpp
@@ -103,16 +103,6 @@ static QList<ColorCode> colors()
 }
 
 
-namespace {
-
-bool ColorSorter(ColorCode lhs, ColorCode rhs)
-{
-	return support::compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
-}
-
-} // namespace anon
-
-
 GuiBox::GuiBox(QWidget * parent) : InsetParamsWidget(parent)
 {
 	setupUi(this);
diff --git a/src/frontends/qt4/GuiCharacter.cpp b/src/frontends/qt4/GuiCharacter.cpp
index c673d2d9c3..e01687678a 100644
--- a/src/frontends/qt4/GuiCharacter.cpp
+++ b/src/frontends/qt4/GuiCharacter.cpp
@@ -192,12 +192,6 @@ void fillComboColor(QComboBox * combo, QList<T> const & list)
 	combo->addItem(qt_("Reset"), "inherit");
 }
 
-
-bool ColorSorter(ColorCode lhs, ColorCode rhs)
-{
-	return support::compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
-}
-
 } // namespace anon
 
 GuiCharacter::GuiCharacter(GuiView & lv)
diff --git a/src/frontends/qt4/GuiPrefs.cpp b/src/frontends/qt4/GuiPrefs.cpp
index a076402721..2c99deec41 100644
--- a/src/frontends/qt4/GuiPrefs.cpp
+++ b/src/frontends/qt4/GuiPrefs.cpp
@@ -1115,19 +1115,6 @@ void PrefScreenFonts::selectTypewriter(const QString & name)
 /////////////////////////////////////////////////////////////////////
 
 
-namespace {
-
-struct ColorSorter
-{
-	bool operator()(ColorCode lhs, ColorCode rhs) const {
-		return
-			compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
-	}
-};
-
-} // namespace anon
-
-
 PrefColors::PrefColors(GuiPreferences * form)
 	: PrefModule(catLookAndFeel, N_("Colors"), form)
 {
@@ -1164,7 +1151,7 @@ PrefColors::PrefColors(GuiPreferences * form)
 			continue;
 		lcolors_.push_back(lc);
 	}
-	sort(lcolors_.begin(), lcolors_.end(), ColorSorter());
+	qSort(lcolors_.begin(), lcolors_.end(), ColorSorter);
 	vector<ColorCode>::const_iterator cit = lcolors_.begin();
 	vector<ColorCode>::const_iterator const end = lcolors_.end();
 	for (; cit != end; ++cit) {
diff --git a/src/frontends/qt4/qt_helpers.cpp b/src/frontends/qt4/qt_helpers.cpp
index 4eacaca749..c1294e56df 100644
--- a/src/frontends/qt4/qt_helpers.cpp
+++ b/src/frontends/qt4/qt_helpers.cpp
@@ -213,6 +213,12 @@ QString formatLocFPNumber(double d)
 }
 
 
+bool ColorSorter(ColorCode lhs, ColorCode rhs)
+{
+	return compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
+}
+
+
 void setValid(QWidget * widget, bool valid)
 {
 	if (valid) {
diff --git a/src/frontends/qt4/qt_helpers.h b/src/frontends/qt4/qt_helpers.h
index fcdcd53102..d4afc78a33 100644
--- a/src/frontends/qt4/qt_helpers.h
+++ b/src/frontends/qt4/qt_helpers.h
@@ -13,6 +13,7 @@
 #ifndef QTHELPERS_H
 #define QTHELPERS_H
 
+#include "ColorSet.h"
 #include "Length.h"
 #include "support/qstring_helpers.h"
 #include "support/filetools.h"
@@ -73,6 +74,9 @@ void doubleToWidget(QLineEdit * input, std::string const & value,
  */
 QString formatLocFPNumber(double d);
 
+/// Method to sort colors by GUI name in combo widgets
+bool ColorSorter(ColorCode lhs, ColorCode rhs);
+
 /// colors a widget red if invalid
 void setValid(QWidget * widget, bool valid);