diff --git a/aegisub/src/dialog_style_editor.cpp b/aegisub/src/dialog_style_editor.cpp
index 5a50f3202..9c63c9a36 100644
--- a/aegisub/src/dialog_style_editor.cpp
+++ b/aegisub/src/dialog_style_editor.cpp
@@ -50,16 +50,18 @@
 #include "ass_override.h"
 #include "ass_style.h"
 #include "ass_style_storage.h"
+#include "colour_button.h"
 #include "compat.h"
 #include "dialog_style_editor.h"
-#include "include/aegisub/context.h"
 #include "help_button.h"
+#include "include/aegisub/context.h"
+#include "include/aegisub/subtitles_provider.h"
 #include "libresrc/libresrc.h"
 #include "main.h"
+#include "persist_location.h"
 #include "selection_controller.h"
 #include "subs_grid.h"
 #include "subs_preview.h"
-#include "include/aegisub/subtitles_provider.h"
 #include "utils.h"
 #include "validators.h"
 
@@ -352,7 +354,8 @@ DialogStyleEditor::DialogStyleEditor (wxWindow *parent, AssStyle *style, agi::Co
 	// Set sizer
 	MainSizer->SetSizeHints(this);
 	SetSizer(MainSizer);
-	LoadPosition();
+
+	persist.reset(new PersistLocation(this, "Tool/Style Editor"));
 }
 
 /// @brief Destructor 
@@ -361,8 +364,6 @@ DialogStyleEditor::~DialogStyleEditor () {
 	delete work;
 }
 
-///////////////
-// Event table
 BEGIN_EVENT_TABLE(DialogStyleEditor, wxDialog)
 	EVT_BUTTON(wxID_APPLY, DialogStyleEditor::OnApply)
 	EVT_BUTTON(wxID_OK, DialogStyleEditor::OnOK)
@@ -389,41 +390,12 @@ BEGIN_EVENT_TABLE(DialogStyleEditor, wxDialog)
 	EVT_SPINCTRL(TEXT_ALPHA_4, DialogStyleEditor::OnSpinPreviewUpdate)
 END_EVENT_TABLE()
 
-
-
-/// @brief Event redirectors 
-/// @param event 
-///
-void DialogStyleEditor::OnApply (wxCommandEvent &event) { Apply(true,false); }
-
-/// @brief DOCME
-/// @param event 
-///
-void DialogStyleEditor::OnOK (wxCommandEvent &event) { SavePosition(); Apply(true,true); }
-
-/// @brief DOCME
-/// @param event 
-///
-void DialogStyleEditor::OnCancel (wxCommandEvent &event) { SavePosition(); Apply(false,true); }
-
-/// @brief DOCME
-/// @param event 
-///
+void DialogStyleEditor::OnApply (wxCommandEvent &event) { Apply(true, false); }
+void DialogStyleEditor::OnOK (wxCommandEvent &event) { Apply(true, true); }
+void DialogStyleEditor::OnCancel (wxCommandEvent &event) { Apply(false, true); }
 void DialogStyleEditor::OnSetColor1 (wxCommandEvent &event) { OnSetColor(1); }
-
-/// @brief DOCME
-/// @param event 
-///
 void DialogStyleEditor::OnSetColor2 (wxCommandEvent &event) { OnSetColor(2); }
-
-/// @brief DOCME
-/// @param event 
-///
 void DialogStyleEditor::OnSetColor3 (wxCommandEvent &event) { OnSetColor(3); }
-
-/// @brief DOCME
-/// @param event 
-///
 void DialogStyleEditor::OnSetColor4 (wxCommandEvent &event) { OnSetColor(4); }
 
 /// @brief Replace Style 
@@ -698,25 +670,3 @@ int DialogStyleEditor::AlignToControl (int n) {
 		default: return 7;
 	}
 }
-
-/// @brief Load and save window position for the session 
-///
-void DialogStyleEditor::SavePosition() {
-	use_saved_position = true;
-	saved_position = GetRect();
-}
-
-/// @brief DOCME
-///
-void DialogStyleEditor::LoadPosition() {
-	if (use_saved_position)
-		SetSize(saved_position);
-	else
-		CentreOnParent();
-}
-
-/// DOCME
-wxRect DialogStyleEditor::saved_position;
-
-/// DOCME
-bool DialogStyleEditor::use_saved_position = false;
diff --git a/aegisub/src/dialog_style_editor.h b/aegisub/src/dialog_style_editor.h
index f9e6e785c..de5e3b465 100644
--- a/aegisub/src/dialog_style_editor.h
+++ b/aegisub/src/dialog_style_editor.h
@@ -42,12 +42,14 @@
 #include <wx/textctrl.h>
 #endif
 
-#include "colour_button.h"
+#include <libaegisub/scoped_ptr.h>
 
 namespace agi { struct Context; }
 class AssStyle;
-class SubtitlesPreview;
 class AssStyleStorage;
+class ColourButton;
+class PersistLocation;
+class SubtitlesPreview;
 
 /// DOCME
 /// @class DialogStyleEditor
@@ -56,6 +58,7 @@ class AssStyleStorage;
 /// DOCME
 class DialogStyleEditor : public wxDialog {
 	agi::Context *c;
+	agi::scoped_ptr<PersistLocation> persist;
 
 	/// DOCME
 	bool isLocal;
@@ -143,15 +146,6 @@ class DialogStyleEditor : public wxDialog {
 	/// DOCME
 	wxSizer *MainSizer;
 
-
-	/// DOCME
-	static wxRect saved_position;
-
-	/// DOCME
-	static bool use_saved_position;
-	void SavePosition();
-	void LoadPosition();
-
 	void SetBitmapColor (int n,wxColour color);
 	int AlignToControl (int n);
 	int ControlToAlign (int n);
diff --git a/aegisub/src/libresrc/default_config.json b/aegisub/src/libresrc/default_config.json
index eb3833aa7..fcf757219 100644
--- a/aegisub/src/libresrc/default_config.json
+++ b/aegisub/src/libresrc/default_config.json
@@ -375,6 +375,11 @@
 			"Language" : "en_US"
 		},
 		"Style Editor" : {
+			"Last" : {
+				"X" : -1,
+				"Y" : -1
+			},
+			"Maximized" : false,
 			"Preview Text" : "Aegisub\\N0123 月語"
 		},
 		"Style Manager" : {