diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index b871474adfb..6529b23b8db 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -919,73 +919,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateQuery(IWineD3DDevice *iface, WINE
     return WINED3D_OK;
 }
 
-static LONG fullscreen_style(LONG orig_style) {
-    LONG style = orig_style;
-    style &= ~WS_CAPTION;
-    style &= ~WS_THICKFRAME;
-
-    /* Make sure the window is managed, otherwise we won't get keyboard input */
-    style |= WS_POPUP | WS_SYSMENU;
-
-    return style;
-}
-
-static LONG fullscreen_exStyle(LONG orig_exStyle) {
-    LONG exStyle = orig_exStyle;
-
-    /* Filter out window decorations */
-    exStyle &= ~WS_EX_WINDOWEDGE;
-    exStyle &= ~WS_EX_CLIENTEDGE;
-
-    return exStyle;
-}
-
-/*****************************************************************************
- * IWineD3DDeviceImpl_RestoreWindow
- *
- * Helper function that restores a windows' properties when taking it out
- * of fullscreen mode
- *
- * Params:
- *  iface: Pointer to the IWineD3DDevice interface
- *  window: Window to setup
- *
- *****************************************************************************/
-static void IWineD3DDeviceImpl_RestoreWindow(IWineD3DDevice *iface, HWND window) {
-    IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
-    LONG style, exStyle;
-
-    /* This could be a DDSCL_NORMAL -> DDSCL_NORMAL
-     * switch, do nothing
-     */
-    if (!This->style && !This->exStyle) return;
-
-    TRACE("(%p): Restoring window settings of window %p to %08x, %08x\n",
-          This, window, This->style, This->exStyle);
-
-    style = GetWindowLongW(window, GWL_STYLE);
-    exStyle = GetWindowLongW(window, GWL_EXSTYLE);
-
-    /* Only restore the style if the application didn't modify it during the fullscreen phase.
-     * Some applications change it before calling Reset() when switching between windowed and
-     * fullscreen modes(HL2), some depend on the original style(Eve Online)
-     */
-    if (style == fullscreen_style(This->style) && exStyle == fullscreen_exStyle(This->exStyle))
-    {
-        SetWindowLongW(window, GWL_STYLE, This->style);
-        SetWindowLongW(window, GWL_EXSTYLE, This->exStyle);
-    }
-
-    /* Delete the old values */
-    This->style = 0;
-    This->exStyle = 0;
-
-    /* Inform the window about the update */
-    SetWindowPos(window, 0 /* InsertAfter, ignored */,
-                 0, 0, 0, 0, /* Pos, Size, ignored */
-                 SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
-}
-
 static HRESULT WINAPI IWineD3DDeviceImpl_CreateSwapChain(IWineD3DDevice *iface,
         WINED3DPRESENT_PARAMETERS *present_parameters, IWineD3DSwapChain **swapchain,
         IUnknown *parent, WINED3DSURFTYPE surface_type)
@@ -6568,7 +6501,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_Reset(IWineD3DDevice* iface, WINED3DPRE
             }
         } else if(swapchain->win_handle && !swapchain->presentParms.Windowed) {
             /* Fullscreen -> windowed switch */
-            IWineD3DDeviceImpl_RestoreWindow(iface, swapchain->win_handle);
+            swapchain_restore_fullscreen_window(swapchain);
         }
         swapchain->presentParms.Windowed = pPresentationParameters->Windowed;
     } else if(!pPresentationParameters->Windowed) {
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 543c9aab36c..3e4da780f11 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -602,6 +602,38 @@ void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w,
     SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED | SWP_SHOWWINDOW);
 }
 
+void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
+{
+    IWineD3DDeviceImpl *device = swapchain->device;
+    HWND window = swapchain->win_handle;
+    LONG style, exstyle;
+
+    if (!device->style && !device->exStyle) return;
+
+    TRACE("Restoring window style of window %p to %08x, %08x.\n",
+            window, device->style, device->exStyle);
+
+    style = GetWindowLongW(window, GWL_STYLE);
+    exstyle = GetWindowLongW(window, GWL_EXSTYLE);
+
+    /* Only restore the style if the application didn't modify it during the
+     * fullscreen phase. Some applications change it before calling Reset()
+     * when switching between windowed and fullscreen modes (HL2), some
+     * depend on the original style (Eve Online). */
+    if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
+    {
+        SetWindowLongW(window, GWL_STYLE, device->style);
+        SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
+    }
+
+    /* Delete the old values. */
+    device->style = 0;
+    device->exStyle = 0;
+
+    SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
+}
+
+
 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent)
 {
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 0d111c48bae..e0b4ab1b14b 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2453,6 +2453,7 @@ struct wined3d_context *swapchain_create_context_for_thread(IWineD3DSwapChain *i
 HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
         IWineD3DDeviceImpl *device, WINED3DPRESENT_PARAMETERS *present_parameters, IUnknown *parent) DECLSPEC_HIDDEN;
 void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h) DECLSPEC_HIDDEN;
+void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain) DECLSPEC_HIDDEN;
 
 #define DEFAULT_REFRESH_RATE 0