diff --git a/setup.py b/setup.py
index 555f0b00..10a8baec 100644
--- a/setup.py
+++ b/setup.py
@@ -240,7 +240,6 @@ class psycopg_build_ext(build_ext):
 
     def initialize_options(self):
         build_ext.initialize_options(self)
-        self.use_pg_dll = 1
         self.pgdir = None
         self.mx_include_dir = None
         self.use_pydatetime = 1