diff --git a/platform/x11/detect.py b/platform/x11/detect.py
index 5f7b825f5e..2f55faf380 100644
--- a/platform/x11/detect.py
+++ b/platform/x11/detect.py
@@ -73,11 +73,7 @@ def get_opts():
 
 def get_flags():
 
-    return [
-        ('builtin_freetype', False),
-        ('builtin_libpng', False),
-        ('builtin_zlib', False),
-    ]
+    return []
 
 
 def configure(env):