diff --git a/src/frontends/Dialogs.cpp b/src/frontends/Dialogs.cpp
deleted file mode 100644
index 6a8d9b582c..0000000000
--- a/src/frontends/Dialogs.cpp
+++ /dev/null
@@ -1,197 +0,0 @@
-/**
- * \file frontends/Dialogs.cpp
- * This file is part of LyX, the document processor.
- * Licence details can be found in the file COPYING.
- *
- * \author Angus Leeming
- *
- * Full author contact details are available in file CREDITS.
- *
- * Common to all frontends' Dialogs
- */
-
-#include <config.h>
-
-#include "Dialogs.h"
-#include "Dialog.h"
-
-using std::string;
-
-namespace lyx {
-
-extern bool quitting;
-
-namespace frontend {
-
-Dialogs::Dialogs(LyXView & lyxview)
-	: lyxview_(lyxview), in_show_(false)
-{}
-
-
-Dialog * Dialogs::find_or_build(string const & name)
-{
-	if (!isValidName(name))
-		return 0;
-
-	std::map<string, DialogPtr>::iterator it =
-		dialogs_.find(name);
-
-	if (it != dialogs_.end())
-		return it->second.get();
-
-	dialogs_[name].reset(build(name));
-	return dialogs_[name].get();
-}
-
-
-void Dialogs::show(string const & name, string const & data, Inset * inset)
-{
-	if (in_show_)
-		return;
-
-	in_show_ = true;
-	Dialog * dialog = find_or_build(name);
-	if (dialog) {
-		dialog->showData(data);
-		if (inset)
-			open_insets_[name] = inset;
-	}
-	in_show_ = false;
-}
-
-
-bool Dialogs::visible(string const & name) const
-{
-	std::map<string, DialogPtr>::const_iterator it = dialogs_.find(name);
-	if (it == dialogs_.end())
-		return false;
-	return it->second.get()->isVisibleView();
-}
-
-
-void Dialogs::update(string const & name, string const & data)
-{
-	std::map<string, DialogPtr>::const_iterator it = dialogs_.find(name);
-	if (it == dialogs_.end())
-		return;
-
-	Dialog * const dialog = it->second.get();
-	if (dialog->isVisibleView())
-		dialog->updateData(data);
-}
-
-
-void Dialogs::hide(string const & name, Inset* inset)
-{
-	// Don't send the signal if we are quitting, because on MSVC it is
-	// destructed before the cut stack in CutAndPaste.cpp, and this method
-	// is called from some inset destructor if the cut stack is not empty
-	// on exit.
-	if (quitting)
-		return;
-
-	std::map<string, DialogPtr>::const_iterator it =
-		dialogs_.find(name);
-	if (it == dialogs_.end())
-		return;
-
-	if (inset && inset != getOpenInset(name))
-		return;
-
-	Dialog * const dialog = it->second.get();
-	if (dialog->isVisibleView())
-		dialog->hide();
-	open_insets_[name] = 0;
-}
-
-
-void Dialogs::disconnect(string const & name)
-{
-	if (!isValidName(name))
-		return;
-
-	if (open_insets_.find(name) != open_insets_.end())
-		open_insets_[name] = 0;
-}
-
-
-Inset * Dialogs::getOpenInset(string const & name) const
-{
-	if (!isValidName(name))
-		return 0;
-
-	std::map<string, Inset *>::const_iterator it =
-		open_insets_.find(name);
-	return it == open_insets_.end() ? 0 : it->second;
-}
-
-
-void Dialogs::hideAll() const
-{
-	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
-	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
-
-	for(; it != end; ++it)
-		it->second->hide();
-}
-
-
-void Dialogs::hideBufferDependent() const
-{
-	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
-	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
-
-	for(; it != end; ++it) {
-		Dialog * dialog = it->second.get();
-		if (dialog->isBufferDependent())
-			dialog->hide();
-	}
-}
-
-
-void Dialogs::updateBufferDependent(bool switched) const
-{
-	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
-	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
-
-	for(; it != end; ++it) {
-		Dialog * dialog = it->second.get();
-		if (switched && dialog->isBufferDependent()) {
-			if (dialog->isVisibleView() && dialog->initialiseParams(""))
-				dialog->updateView();
-			else
-				dialog->hide();
-		} else {
-			// A bit clunky, but the dialog will request
-			// that the kernel provides it with the necessary
-			// data.
-			dialog->slotRestore();
-		}
-	}
-}
-
-
-void Dialogs::redraw() const
-{
-	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
-	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
-
-	for(; it != end; ++it)
-		it->second->redraw();
-}
-
-
-void Dialogs::checkStatus()
-{
-	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
-	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
-
-	for(; it != end; ++it) {
-		Dialog * const dialog = it->second.get();
-		if (dialog && dialog->isVisibleView())
-			dialog->checkStatus();
-	}
-}
-
-} // namespace frontend
-} // namespace lyx
diff --git a/src/frontends/Makefile.am b/src/frontends/Makefile.am
index 60ebeea579..5e361c4771 100644
--- a/src/frontends/Makefile.am
+++ b/src/frontends/Makefile.am
@@ -14,7 +14,6 @@ liblyxfrontends_la_SOURCES = \
 	Application.h \
 	NoGuiFontLoader.h \
 	NoGuiFontMetrics.h \
-	Dialogs.cpp \
 	Dialogs.h \
 	FileDialog.h \
 	FontLoader.h \
diff --git a/src/frontends/qt4/Dialogs.cpp b/src/frontends/qt4/Dialogs.cpp
index e7788db147..4be491f48d 100644
--- a/src/frontends/qt4/Dialogs.cpp
+++ b/src/frontends/qt4/Dialogs.cpp
@@ -11,14 +11,189 @@
 #include <config.h>
 
 #include "Dialogs.h"
+#include "Dialog.h"
 
 #include <boost/assert.hpp>
 
 using std::string;
 
 namespace lyx {
+
+extern bool quitting;
+
 namespace frontend {
 
+Dialogs::Dialogs(LyXView & lyxview)
+	: lyxview_(lyxview), in_show_(false)
+{}
+
+
+Dialog * Dialogs::find_or_build(string const & name)
+{
+	if (!isValidName(name))
+		return 0;
+
+	std::map<string, DialogPtr>::iterator it =
+		dialogs_.find(name);
+
+	if (it != dialogs_.end())
+		return it->second.get();
+
+	dialogs_[name].reset(build(name));
+	return dialogs_[name].get();
+}
+
+
+void Dialogs::show(string const & name, string const & data, Inset * inset)
+{
+	if (in_show_)
+		return;
+
+	in_show_ = true;
+	Dialog * dialog = find_or_build(name);
+	if (dialog) {
+		dialog->showData(data);
+		if (inset)
+			open_insets_[name] = inset;
+	}
+	in_show_ = false;
+}
+
+
+bool Dialogs::visible(string const & name) const
+{
+	std::map<string, DialogPtr>::const_iterator it = dialogs_.find(name);
+	if (it == dialogs_.end())
+		return false;
+	return it->second.get()->isVisibleView();
+}
+
+
+void Dialogs::update(string const & name, string const & data)
+{
+	std::map<string, DialogPtr>::const_iterator it = dialogs_.find(name);
+	if (it == dialogs_.end())
+		return;
+
+	Dialog * const dialog = it->second.get();
+	if (dialog->isVisibleView())
+		dialog->updateData(data);
+}
+
+
+void Dialogs::hide(string const & name, Inset* inset)
+{
+	// Don't send the signal if we are quitting, because on MSVC it is
+	// destructed before the cut stack in CutAndPaste.cpp, and this method
+	// is called from some inset destructor if the cut stack is not empty
+	// on exit.
+	if (quitting)
+		return;
+
+	std::map<string, DialogPtr>::const_iterator it =
+		dialogs_.find(name);
+	if (it == dialogs_.end())
+		return;
+
+	if (inset && inset != getOpenInset(name))
+		return;
+
+	Dialog * const dialog = it->second.get();
+	if (dialog->isVisibleView())
+		dialog->hide();
+	open_insets_[name] = 0;
+}
+
+
+void Dialogs::disconnect(string const & name)
+{
+	if (!isValidName(name))
+		return;
+
+	if (open_insets_.find(name) != open_insets_.end())
+		open_insets_[name] = 0;
+}
+
+
+Inset * Dialogs::getOpenInset(string const & name) const
+{
+	if (!isValidName(name))
+		return 0;
+
+	std::map<string, Inset *>::const_iterator it =
+		open_insets_.find(name);
+	return it == open_insets_.end() ? 0 : it->second;
+}
+
+
+void Dialogs::hideAll() const
+{
+	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
+	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
+
+	for(; it != end; ++it)
+		it->second->hide();
+}
+
+
+void Dialogs::hideBufferDependent() const
+{
+	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
+	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
+
+	for(; it != end; ++it) {
+		Dialog * dialog = it->second.get();
+		if (dialog->isBufferDependent())
+			dialog->hide();
+	}
+}
+
+
+void Dialogs::updateBufferDependent(bool switched) const
+{
+	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
+	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
+
+	for(; it != end; ++it) {
+		Dialog * dialog = it->second.get();
+		if (switched && dialog->isBufferDependent()) {
+			if (dialog->isVisibleView() && dialog->initialiseParams(""))
+				dialog->updateView();
+			else
+				dialog->hide();
+		} else {
+			// A bit clunky, but the dialog will request
+			// that the kernel provides it with the necessary
+			// data.
+			dialog->slotRestore();
+		}
+	}
+}
+
+
+void Dialogs::redraw() const
+{
+	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
+	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
+
+	for(; it != end; ++it)
+		it->second->redraw();
+}
+
+
+void Dialogs::checkStatus()
+{
+	std::map<string, DialogPtr>::const_iterator it  = dialogs_.begin();
+	std::map<string, DialogPtr>::const_iterator end = dialogs_.end();
+
+	for(; it != end; ++it) {
+		Dialog * const dialog = it->second.get();
+		if (dialog && dialog->isVisibleView())
+			dialog->checkStatus();
+	}
+}
+
+
 namespace {
 
 // This list should be kept in sync with the list of insets in