diff --git a/python/paddle/v2/framework/framework.py b/python/paddle/v2/framework/framework.py
index 9c032400a1b4dbcd4cc188ee885b1fa7d04b020a..a24c78171e07249beeb8131d2d338b01c30e5c1f 100644
--- a/python/paddle/v2/framework/framework.py
+++ b/python/paddle/v2/framework/framework.py
@@ -399,14 +399,6 @@ class Block(object):
 
 
 class Program(object):
-    @classmethod
-    def instance(cls):
-        # From https://stackoverflow.com/questions/8212053
-        # Making Program as a Singleton class.
-        if not hasattr(cls, '_instance'):
-            cls._instance = cls()
-        return cls._instance
-
     def __init__(self):
         self.desc = core.ProgramDesc()
         self.blocks = [Block(self, 0)]
@@ -500,4 +492,4 @@ class Parameter(Variable):
 
 
 # program is a global instance.
-g_program = Program.instance()
+g_program = Program()
diff --git a/python/paddle/v2/framework/tests/test_program.py b/python/paddle/v2/framework/tests/test_program.py
index 8d8dd4689885ac8a8f93a7275c554a6e3678979a..c55dd8de7282d4c941777054ad9d6437c87f0bc6 100644
--- a/python/paddle/v2/framework/tests/test_program.py
+++ b/python/paddle/v2/framework/tests/test_program.py
@@ -53,7 +53,7 @@ class TestProgram(unittest.TestCase):
         print prog.clone()
 
     def test_append_backward(self):
-        prog = Program.instance()
+        prog = Program()
         block = prog.global_block()
 
         mul_x = block.create_var(