diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index f1d18c0685..954d9a9254 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -142,9 +142,7 @@ global.cpp global.h \
 SpecialFiles.cpp SpecialFiles.h
 
 LoadingWindow = arch/LoadingWindow/LoadingWindow.h \
-		arch/LoadingWindow/LoadingWindow_Null.h \
-		arch/LoadingWindow/LoadingWindow_X11.cpp \
-		arch/LoadingWindow/LoadingWindow_X11.h
+		arch/LoadingWindow/LoadingWindow_Null.h
 
 if HAVE_GTK
 LoadingWindow += arch/LoadingWindow/LoadingWindow_Gtk.cpp arch/LoadingWindow/LoadingWindow_Gtk.h