diff --git a/ExplorerPatcher/utility.h b/ExplorerPatcher/utility.h
index f613087..5070649 100644
--- a/ExplorerPatcher/utility.h
+++ b/ExplorerPatcher/utility.h
@@ -36,42 +36,20 @@
 #define WM_MSG_GUI_SECTION_GET 1
 
 // This allows compiling with older Windows SDKs as well
-#ifndef DWMWA_USE_HOSTBACKDROPBRUSH
+#ifndef NTDDI_WIN10_CO
 #define DWMWA_USE_HOSTBACKDROPBRUSH 17            // [set] BOOL, Allows the use of host backdrop brushes for the window.
-#endif
-#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
 #define DWMWA_USE_IMMERSIVE_DARK_MODE 20          // [set] BOOL, Allows a window to either use the accent color, or dark, according to the user Color Mode preferences.
-#endif
-#ifndef DWMWCP_DEFAULT
-#define DWMWCP_DEFAULT 0
-#endif
-#ifndef DWMWCP_DONOTROUND
-#define DWMWCP_DONOTROUND 1
-#endif
-#ifndef DWMWCP_ROUND
-#define DWMWCP_ROUND 2
-#endif
-#ifndef DWMWCP_ROUNDSMALL
-#define DWMWCP_ROUNDSMALL 3
-#endif
-#ifndef DWMWA_WINDOW_CORNER_PREFERENCE
 #define DWMWA_WINDOW_CORNER_PREFERENCE 33         // [set] WINDOW_CORNER_PREFERENCE, Controls the policy that rounds top-level window corners
-#endif
-#ifndef DWMWA_BORDER_COLOR
 #define DWMWA_BORDER_COLOR 34                     // [set] COLORREF, The color of the thin border around a top-level window
-#endif
-#ifndef DWMWA_CAPTION_COLOR
 #define DWMWA_CAPTION_COLOR 35                    // [set] COLORREF, The color of the caption
-#endif
-#ifndef DWMWA_TEXT_COLOR
 #define DWMWA_TEXT_COLOR 36                       // [set] COLORREF, The color of the caption text
-#endif
-#ifndef DWMWA_VISIBLE_FRAME_BORDER_THICKNESS
 #define DWMWA_VISIBLE_FRAME_BORDER_THICKNESS 37   // [get] UINT, width of the visible border around a thick frame window
+#define DWMWCP_DEFAULT 0
+#define DWMWCP_DONOTROUND 1
+#define DWMWCP_ROUND 2
+#define DWMWCP_ROUNDSMALL 3
 #endif
-#ifndef DWMWA_MICA_EFFFECT
 #define DWMWA_MICA_EFFFECT 1029
-#endif
 
 DEFINE_GUID(CLSID_ImmersiveShell,
     0xc2f03a33,