diff --git a/include/wx/features.h b/include/wx/features.h
index 7f28d4915e..e2dd300e58 100644
--- a/include/wx/features.h
+++ b/include/wx/features.h
@@ -111,5 +111,20 @@
 // compiler, so this symbol exists purely for compatibility.
 #define wxHAS_EVENT_BIND
 
+
+/*
+    Some platforms use DPI-independent pixels, i.e. pixels actually scale with
+    DPI and a 100px-wide window has the same apparent size on the display in
+    normal and high (i.e. 2x, or 200% scaling) DPI, while others always use
+    physical pixels and a window must be 200px wide to have the same apparent
+    size in high DPI as in normal DPI.
+ */
+#if defined(__WXGTK3__) || defined(__WXMAC__)
+    #define wxHAS_DPI_INDEPENDENT_PIXELS
+
+    // This is an older synonym kept only for compatibility
+    #define wxHAVE_DPI_INDEPENDENT_PIXELS
+#endif
+
 #endif /*  _WX_FEATURES_H_ */
 
diff --git a/include/wx/window.h b/include/wx/window.h
index 557b7f7ac4..48efebc63d 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -49,13 +49,6 @@
     #define wxUSE_MENUS_NATIVE wxUSE_MENUS
 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
 
-#if defined(__WXGTK3__) || defined(__WXMAC__)
-    #define wxHAS_DPI_INDEPENDENT_PIXELS
-
-    // This is an older synonym kept only for compatibility
-    #define wxHAVE_DPI_INDEPENDENT_PIXELS
-#endif
-
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------