diff --git a/aegisub/src/dialog_attachments.cpp b/aegisub/src/dialog_attachments.cpp
index f8603259b..fda5a871e 100644
--- a/aegisub/src/dialog_attachments.cpp
+++ b/aegisub/src/dialog_attachments.cpp
@@ -67,7 +67,7 @@ DialogAttachments::DialogAttachments(wxWindow *parent, AssFile *ass)
 : wxDialog(parent,-1,_("Attachment List"),wxDefaultPosition,wxDefaultSize,wxDEFAULT_DIALOG_STYLE)
 , ass(ass)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(attach_button_24)));
+	SetIcon(GETICON(attach_button_16));
 
 	listView = new wxListView(this,ATTACHMENT_LIST,wxDefaultPosition,wxSize(500,200));
 	UpdateList();
diff --git a/aegisub/src/dialog_automation.cpp b/aegisub/src/dialog_automation.cpp
index 16fc9d880..9f4364412 100644
--- a/aegisub/src/dialog_automation.cpp
+++ b/aegisub/src/dialog_automation.cpp
@@ -56,7 +56,6 @@
 #include "libresrc/libresrc.h"
 #include "main.h"
 #include "subtitle_format.h"
-#include "utils.h"
 
 using std::tr1::placeholders::_1;
 
@@ -68,7 +67,7 @@ DialogAutomation::DialogAutomation(agi::Context *c)
 , global_manager(wxGetApp().global_scripts)
 , global_scripts_changed(global_manager->AddScriptChangeListener(&DialogAutomation::RebuildList, this))
 {
-	SetIcon(BitmapToIcon(GETIMAGE(automation_toolbutton_24)));
+	SetIcon(GETICON(automation_toolbutton_16));
 
 	// create main controls
 	list = new wxListView(this, -1, wxDefaultPosition, wxSize(600, 175), wxLC_REPORT|wxLC_SINGLE_SEL);
diff --git a/aegisub/src/dialog_fonts_collector.cpp b/aegisub/src/dialog_fonts_collector.cpp
index 541f4bd0d..8fc9bb1ca 100644
--- a/aegisub/src/dialog_fonts_collector.cpp
+++ b/aegisub/src/dialog_fonts_collector.cpp
@@ -184,7 +184,7 @@ DialogFontsCollector::DialogFontsCollector(agi::Context *c)
 : wxDialog(c->parent, -1, _("Fonts Collector"))
 , subs(c->ass)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(font_collector_button_24)));
+	SetIcon(GETICON(font_collector_button_16));
 
 	wxString modes[] = {
 		_("Check fonts for availability"),
diff --git a/aegisub/src/dialog_jumpto.cpp b/aegisub/src/dialog_jumpto.cpp
index 3b8610d57..35586bacc 100644
--- a/aegisub/src/dialog_jumpto.cpp
+++ b/aegisub/src/dialog_jumpto.cpp
@@ -50,7 +50,6 @@
 #include "ass_time.h"
 #include "libresrc/libresrc.h"
 #include "timeedit_ctrl.h"
-#include "utils.h"
 #include "validators.h"
 #include "video_context.h"
 
@@ -59,7 +58,7 @@ DialogJumpTo::DialogJumpTo(agi::Context *c)
 , c(c)
 , jumpframe(c->videoController->GetFrameN())
 {
-	SetIcon(BitmapToIcon(GETIMAGE(jumpto_button_24)));
+	SetIcon(GETICON(jumpto_button_16));
 
 	// Set initial values
 	wxString maxLength = wxString::Format("%i",c->videoController->GetLength() - 1);
diff --git a/aegisub/src/dialog_kara_timing_copy.cpp b/aegisub/src/dialog_kara_timing_copy.cpp
index 3655137e2..903f8223a 100644
--- a/aegisub/src/dialog_kara_timing_copy.cpp
+++ b/aegisub/src/dialog_kara_timing_copy.cpp
@@ -633,7 +633,7 @@ bool KaraokeLineMatchDisplay::UndoMatch()
 DialogKanjiTimer::DialogKanjiTimer(agi::Context *c)
 : wxDialog(c->parent,-1,_("Kanji timing"),wxDefaultPosition)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(kara_timing_copier_24)));
+	SetIcon(GETICON(kara_timing_copier_16));
 
 	subs = c->ass;
 	currentSourceLine = subs->Line.begin();
diff --git a/aegisub/src/dialog_properties.cpp b/aegisub/src/dialog_properties.cpp
index 67eea8db9..991bcebf7 100644
--- a/aegisub/src/dialog_properties.cpp
+++ b/aegisub/src/dialog_properties.cpp
@@ -51,7 +51,6 @@
 #include "help_button.h"
 #include "include/aegisub/context.h"
 #include "libresrc/libresrc.h"
-#include "utils.h"
 #include "validators.h"
 #include "video_context.h"
 
@@ -59,7 +58,7 @@ DialogProperties::DialogProperties(agi::Context *c)
 : wxDialog(c->parent, -1, _("Script Properties"))
 , c(c)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(properties_toolbutton_24)));
+	SetIcon(GETICON(properties_toolbutton_16));
 
 	// Script details crap
 	wxSizer *TopSizer = new wxStaticBoxSizer(wxHORIZONTAL,this,_("Script"));
diff --git a/aegisub/src/dialog_resample.cpp b/aegisub/src/dialog_resample.cpp
index 53f2f15fb..9ee4878ae 100644
--- a/aegisub/src/dialog_resample.cpp
+++ b/aegisub/src/dialog_resample.cpp
@@ -42,7 +42,6 @@
 #include "include/aegisub/context.h"
 #include "help_button.h"
 #include "libresrc/libresrc.h"
-#include "utils.h"
 #include "video_context.h"
 
 enum {
@@ -56,7 +55,7 @@ DialogResample::DialogResample(agi::Context *c, ResampleSettings &settings)
 : wxDialog(c->parent, -1, _("Resample Resolution"))
 , c(c)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(resample_toolbutton_24)));
+	SetIcon(GETICON(resample_toolbutton_16));
 
 	memset(&settings, 0, sizeof(settings));
 	c->ass->GetResolution(settings.script_x, settings.script_y);
diff --git a/aegisub/src/dialog_shift_times.cpp b/aegisub/src/dialog_shift_times.cpp
index bb89600e8..3e2c4a3bc 100644
--- a/aegisub/src/dialog_shift_times.cpp
+++ b/aegisub/src/dialog_shift_times.cpp
@@ -55,7 +55,6 @@
 #include "main.h"
 #include "standard_paths.h"
 #include "timeedit_ctrl.h"
-#include "utils.h"
 #include "video_context.h"
 
 static wxString get_history_string(json::Object &obj) {
@@ -107,7 +106,7 @@ DialogShiftTimes::DialogShiftTimes(agi::Context *context)
 , history(new json::Array)
 , timecodes_loaded_slot(context->videoController->AddTimecodesListener(&DialogShiftTimes::OnTimecodesLoaded, this))
 {
-	SetIcon(BitmapToIcon(GETIMAGE(shift_times_toolbutton_24)));
+	SetIcon(GETICON(shift_times_toolbutton_16));
 
 	// Create controls
 	shift_by_time = new wxRadioButton(this, -1, _("&Time: "), wxDefaultPosition, wxDefaultSize, wxRB_GROUP);
diff --git a/aegisub/src/dialog_spellchecker.cpp b/aegisub/src/dialog_spellchecker.cpp
index b5e497bdd..57b0e28b2 100644
--- a/aegisub/src/dialog_spellchecker.cpp
+++ b/aegisub/src/dialog_spellchecker.cpp
@@ -60,7 +60,7 @@ DialogSpellChecker::DialogSpellChecker(agi::Context *context)
 , active_line(0)
 , has_looped(false)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(spellcheck_toolbutton_24)));
+	SetIcon(GETICON(spellcheck_toolbutton_16));
 
 	wxSizer *main_sizer = new wxBoxSizer(wxVERTICAL);
 
diff --git a/aegisub/src/dialog_style_editor.cpp b/aegisub/src/dialog_style_editor.cpp
index 26f15158d..1b6ea54b0 100644
--- a/aegisub/src/dialog_style_editor.cpp
+++ b/aegisub/src/dialog_style_editor.cpp
@@ -164,7 +164,7 @@ DialogStyleEditor::DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Con
 
 	work.reset(new AssStyle(*style));
 
-	SetIcon(BitmapToIcon(GETIMAGE(style_toolbutton_24)));
+	SetIcon(GETICON(style_toolbutton_16));
 
 	// Prepare control values
 	wxString EncodingValue = AegiIntegerToString(style->encoding);
diff --git a/aegisub/src/dialog_style_manager.cpp b/aegisub/src/dialog_style_manager.cpp
index 4521b55e9..c829da674 100644
--- a/aegisub/src/dialog_style_manager.cpp
+++ b/aegisub/src/dialog_style_manager.cpp
@@ -64,7 +64,6 @@
 #include "persist_location.h"
 #include "selection_controller.h"
 #include "standard_paths.h"
-#include "utils.h"
 
 using std::tr1::placeholders::_1;
 
@@ -168,7 +167,7 @@ DialogStyleManager::DialogStyleManager(agi::Context *context)
 , commit_connection(c->ass->AddCommitListener(&DialogStyleManager::LoadCurrentStyles, this))
 {
 	using std::tr1::bind;
-	SetIcon(BitmapToIcon(GETIMAGE(style_toolbutton_24)));
+	SetIcon(GETICON(style_toolbutton_16));
 
 	// Catalog
 	wxSizer *CatalogBox = new wxStaticBoxSizer(wxHORIZONTAL,this,_("Catalog of available storages"));
diff --git a/aegisub/src/dialog_styling_assistant.cpp b/aegisub/src/dialog_styling_assistant.cpp
index 12cc949c6..bf1e39fca 100644
--- a/aegisub/src/dialog_styling_assistant.cpp
+++ b/aegisub/src/dialog_styling_assistant.cpp
@@ -37,7 +37,6 @@
 #include "help_button.h"
 #include "libresrc/libresrc.h"
 #include "persist_location.h"
-#include "utils.h"
 #include "video_context.h"
 
 #ifndef AGI_PRE
@@ -60,7 +59,7 @@ DialogStyling::DialogStyling(agi::Context *context)
 , c(context)
 , active_line(0)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(styling_toolbutton_24)));
+	SetIcon(GETICON(styling_toolbutton_16));
 
 	wxSizer *main_sizer = new wxBoxSizer(wxVERTICAL);
 	wxSizer *bottom_sizer = new wxBoxSizer(wxHORIZONTAL);
diff --git a/aegisub/src/dialog_timing_processor.cpp b/aegisub/src/dialog_timing_processor.cpp
index fa8108558..f538a355d 100644
--- a/aegisub/src/dialog_timing_processor.cpp
+++ b/aegisub/src/dialog_timing_processor.cpp
@@ -107,7 +107,7 @@ DialogTimingProcessor::DialogTimingProcessor(agi::Context *c)
 {
 	using std::tr1::bind;
 
-	SetIcon(BitmapToIcon(GETIMAGE(timing_processor_toolbutton_24)));
+	SetIcon(GETICON(timing_processor_toolbutton_16));
 
 	// Read options
 	leadIn = OPT_GET("Audio/Lead/IN")->GetInt();
diff --git a/aegisub/src/dialog_translation.cpp b/aegisub/src/dialog_translation.cpp
index 06a80853b..fa7fba961 100644
--- a/aegisub/src/dialog_translation.cpp
+++ b/aegisub/src/dialog_translation.cpp
@@ -73,7 +73,7 @@ DialogTranslation::DialogTranslation(agi::Context *c)
 , line_number(count_if(c->ass->Line.begin(), find(c->ass->Line.begin(), c->ass->Line.end(), active_line), cast<AssDialogue*>()) + 1)
 , switching_lines(false)
 {
-	SetIcon(BitmapToIcon(GETIMAGE(translation_toolbutton_16)));
+	SetIcon(GETICON(translation_toolbutton_16));
 
 	wxSizer *main_sizer = new wxBoxSizer(wxVERTICAL);
 
diff --git a/aegisub/src/libresrc/libresrc.cpp b/aegisub/src/libresrc/libresrc.cpp
index f90fecf6d..7014f21e1 100644
--- a/aegisub/src/libresrc/libresrc.cpp
+++ b/aegisub/src/libresrc/libresrc.cpp
@@ -2,11 +2,17 @@
 
 wxBitmap libresrc_getimage(const unsigned char *buff, size_t size) {
 	wxMemoryInputStream mem(buff, size);
-	wxImage image(mem);
-	return wxBitmap(image);
+	return wxBitmap(wxImage(mem));
+}
+
+wxIcon libresrc_geticon(const unsigned char *buff, size_t size) {
+	wxMemoryInputStream mem(buff, size);
+	wxIcon icon;
+	icon.CopyFromBitmap(wxBitmap(wxImage(mem)));
+	return icon;
 }
 
 const std::string libresrc_getconfig(const unsigned char *config, size_t size) {
-        std::string str((char*)config, size);
-        return str.c_str();
+	std::string str((char*)config, size);
+	return str.c_str();
 }
diff --git a/aegisub/src/libresrc/libresrc.h b/aegisub/src/libresrc/libresrc.h
index e177cc727..c8824f07b 100644
--- a/aegisub/src/libresrc/libresrc.h
+++ b/aegisub/src/libresrc/libresrc.h
@@ -1,14 +1,17 @@
 #include <string>
 
-#include <wx/mstream.h>
 #include <wx/bitmap.h>
+#include <wx/icon.h>
 #include <wx/image.h>
+#include <wx/mstream.h>
 
 #include "bitmap.h"
 #include "default_config.h"
 
 wxBitmap libresrc_getimage(const unsigned char *image, size_t size);
+wxIcon libresrc_geticon(const unsigned char *image, size_t size);
 #define GETIMAGE(a) libresrc_getimage(a, sizeof(a))
+#define GETICON(a) libresrc_geticon(a, sizeof(a))
 
 const std::string libresrc_getconfig(const unsigned char *config, size_t size);
 #define GET_DEFAULT_CONFIG(a) libresrc_getconfig(a, sizeof(a))
diff --git a/aegisub/src/preferences.cpp b/aegisub/src/preferences.cpp
index 51ce73509..49b905749 100644
--- a/aegisub/src/preferences.cpp
+++ b/aegisub/src/preferences.cpp
@@ -658,7 +658,7 @@ static void PageChanged(wxBookCtrlEvent& evt) {
 }
 
 Preferences::Preferences(wxWindow *parent): wxDialog(parent, -1, _("Preferences"), wxDefaultPosition, wxSize(-1, 500)) {
-	//	SetIcon(BitmapToIcon(GETIMAGE(options_button_24)));
+	//	SetIcon(GETICON(options_button_16));
 
 	book = new wxTreebook(this, -1, wxDefaultPosition, wxDefaultSize);
 	new General(book, this);
diff --git a/aegisub/src/utils.cpp b/aegisub/src/utils.cpp
index 5d0957db7..b5b73b730 100644
--- a/aegisub/src/utils.cpp
+++ b/aegisub/src/utils.cpp
@@ -271,27 +271,6 @@ int AegiStringToFix(const wxString &str,size_t decimalPlaces,int start,int end)
 	return (major + minor)*sign;
 }
 
-wxIcon BitmapToIcon(wxBitmap const& iconBmp) {
-	// Create the icon and background bmp
-	wxIcon ico;
-	wxBitmap bmp(16,16);
-
-	// Blit bitmap into 16x16 one (don't remove brackets)
-	{
-		wxMemoryDC dc;
-		dc.SelectObject(bmp);
-		dc.SetBackground(wxColour(192,192,192));
-		dc.Clear();
-		dc.DrawBitmap(iconBmp,0,0,false);
-	}
-
-	// Create mask and convert to icon
-	wxMask *mask = new wxMask(bmp,wxColour(192,192,192));
-	bmp.SetMask(mask);
-	ico.CopyFromBitmap(bmp);
-	return ico;
-}
-
 void RestartAegisub() {
 #if defined(__WXMSW__)
 	wxStandardPaths stand;
diff --git a/aegisub/src/utils.h b/aegisub/src/utils.h
index b8e30522e..77d2e8096 100644
--- a/aegisub/src/utils.h
+++ b/aegisub/src/utils.h
@@ -88,11 +88,6 @@ bool StringEmptyOrWhitespace(const wxString &str);
 int AegiStringToInt(const wxString &str,int start=0,int end=-1);
 int AegiStringToFix(const wxString &str,size_t decimalPlaces,int start=0,int end=-1);
 
-/// @brief Convert a wxBitmap to wxIcon
-///
-/// This is needed because wxIcon has to be 16x16 to work properly on win32
-wxIcon BitmapToIcon(wxBitmap const& bmp);
-
 /// @brief Launch a new copy of Aegisub.
 ///
 /// Contrary to what the name suggests, this does not close the currently