diff --git a/pcsx2/gui/Dialogs/BaseConfigurationDialog.cpp b/pcsx2/gui/Dialogs/BaseConfigurationDialog.cpp
index d0c00c8d5c..96b3e336e0 100644
--- a/pcsx2/gui/Dialogs/BaseConfigurationDialog.cpp
+++ b/pcsx2/gui/Dialogs/BaseConfigurationDialog.cpp
@@ -37,12 +37,9 @@ DEFINE_EVENT_TYPE( pxEvt_SomethingChanged )
 using namespace Panels;
 
 // configure the orientation of the listbox based on the platform
+// For now, they're all on the left.
+static const int s_orient = wxLB_LEFT;
 
-#if defined(__WXMAC__) || defined(__WXMSW__)
-	static const int s_orient = wxBK_TOP;
-#else
-	static const int s_orient = wxBK_LEFT;
-#endif
 
 class ScopedOkButtonDisabler
 {
@@ -315,9 +312,3 @@ void Dialogs::BaseConfigurationDialog::OnScreenshot_Click( wxCommandEvent& evt )
 #endif
 	}
 }
-
-void Dialogs::BaseConfigurationDialog::OnSettingsApplied( wxCommandEvent& evt )
-{
-	evt.Skip();
-	MSW_ListView_SetIconSpacing( m_listbook, GetClientSize().GetWidth() );
-}
diff --git a/pcsx2/gui/Dialogs/ConfigurationDialog.h b/pcsx2/gui/Dialogs/ConfigurationDialog.h
index 25de2698a2..478733ce2e 100644
--- a/pcsx2/gui/Dialogs/ConfigurationDialog.h
+++ b/pcsx2/gui/Dialogs/ConfigurationDialog.h
@@ -70,8 +70,6 @@ namespace Dialogs
 		}
 
 	protected:
-		void OnSettingsApplied( wxCommandEvent& evt );
-
 		void OnOk_Click( wxCommandEvent& evt );
 		void OnCancel_Click( wxCommandEvent& evt );
 		void OnApply_Click( wxCommandEvent& evt );
diff --git a/pcsx2/gui/MSWstuff.cpp b/pcsx2/gui/MSWstuff.cpp
index 84295e12da..2ac3fca86c 100644
--- a/pcsx2/gui/MSWstuff.cpp
+++ b/pcsx2/gui/MSWstuff.cpp
@@ -14,15 +14,11 @@
  */
 
 #include "PrecompiledHeader.h"
-#include "GSFrame.h"
 
 #include "MSWstuff.h"
-#include <wx/listbook.h>
-#include <wx/listctrl.h>
 
 #ifdef __WXMSW__
 #	include <wx/msw/wrapwin.h>		// needed for OutputDebugString
-#	include <commctrl.h>
 #endif
 
 void MSW_SetWindowAfter( WXWidget hwnd, WXWidget hwndAfter )
@@ -32,28 +28,6 @@ void MSW_SetWindowAfter( WXWidget hwnd, WXWidget hwndAfter )
 #endif
 }
 
-void MSW_ListView_SetIconSpacing( wxListbook& listbook, int width )
-{
-#ifdef __WXMSW__
-	// Depending on Windows version and user appearance settings, the default icon spacing can be
-	// way over generous.  This little bit of Win32-specific code ensures proper icon spacing, scaled
-	// to the size of the frame's ideal width.
-
-	if (listbook.GetPageCount())
-	{
-		ListView_SetIconSpacing( (HWND)listbook.GetListView()->GetHWND(),
-			(width / listbook.GetPageCount()) - 4, g_Conf->Listbook_ImageSize+32		// y component appears to be ignored
-		);
-	}
-#endif
-}
-
-void MSW_ListView_SetIconSpacing( wxListbook* listbook, int width )
-{
-	if( listbook == NULL ) return;
-	MSW_ListView_SetIconSpacing( *listbook, width );
-}
-
 float MSW_GetDPIScale()
 {
 #ifdef __WXMSW__
diff --git a/pcsx2/gui/MSWstuff.h b/pcsx2/gui/MSWstuff.h
index e40e2e3a7d..063c7dd90a 100644
--- a/pcsx2/gui/MSWstuff.h
+++ b/pcsx2/gui/MSWstuff.h
@@ -15,12 +15,9 @@
 
 #pragma once
 
-class wxListbook;
-
+// FIXME: Missing some includes.
 extern void MSW_SetWindowAfter( WXWidget hwnd, WXWidget hwndAfter );
 extern void MSW_OutputDebugString( const wxString& text );
-extern void MSW_ListView_SetIconSpacing( wxListbook& listbook, int width );
-extern void MSW_ListView_SetIconSpacing( wxListbook* listbook, int width );
 extern float MSW_GetDPIScale();
 
 extern void pxDwm_Load();