diff --git a/src/video/cocoa/SDL_cocoawindow.m b/src/video/cocoa/SDL_cocoawindow.m
index 998efe915..945cae4b7 100644
--- a/src/video/cocoa/SDL_cocoawindow.m
+++ b/src/video/cocoa/SDL_cocoawindow.m
@@ -1793,10 +1793,15 @@ Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display
         rect.size.height = bounds.h;
         ConvertNSRect([nswindow screen], fullscreen, &rect);
 
-        /* Hack to fix origin on Mac OS X 10.4 */
-        NSRect screenRect = [[nswindow screen] frame];
-        if (screenRect.size.height >= 1.0f) {
-            rect.origin.y += (screenRect.size.height - rect.size.height);
+        /* Hack to fix origin on Mac OS X 10.4
+           This is no longer needed as of Mac OS X 10.15, according to bug 4822.
+         */
+        NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
+        if ((version.majorVersion == 10) && (version.minorVersion < 15)) {
+            NSRect screenRect = [[nswindow screen] frame];
+            if (screenRect.size.height >= 1.0f) {
+                rect.origin.y += (screenRect.size.height - rect.size.height);
+            }
         }
 
         [nswindow setStyleMask:NSWindowStyleMaskBorderless];