diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2d55be1109a30fa8b60c28dd149d589a595005d..6d82c6d30f965b85c37399d5f246d8cbade8ae5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,4 +8,3 @@ Since v1.3.2 they'll be put here and in release description.
 * added support for infinite (None) timeouts during start
 * stress tests will run for 120 seconds now
 * stress tests will be harder, and use more queues
-* added extra __slots__ in Declarer
\ No newline at end of file
diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index 19efb0b4a9ca9696428bc90b9a9c018f6609e835..73027a1b053585622dd8680ab1b9288cbd743290 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '1.3.2b4'
+__version__ = '1.3.2b5'
diff --git a/coolamqp/attaches/declarer.py b/coolamqp/attaches/declarer.py
index 92601c5f2b0a8bc4e9d8faded5a2d802ac52cbf2..c2cb8c1df211c7609c3d96c8cc11a0d0c0feac61 100644
--- a/coolamqp/attaches/declarer.py
+++ b/coolamqp/attaches/declarer.py
@@ -184,7 +184,6 @@ class Declarer(Channeler, Synchronized):
 
     This also maintains a list of declared queues/exchanges, and redeclares them on each reconnect.
     """
-    __slots__ = ('in_process', 'on_discard', 'left_to_declare', 'declared', 'cluster')
 
     def __init__(self, cluster):
         """
diff --git a/coolamqp/attaches/utils.py b/coolamqp/attaches/utils.py
index 70dc6d1b8197b903f1c709fb0a27ef611557d493..14894007d4f682ffa406f5b7b989d86d9bc2b2c4 100644
--- a/coolamqp/attaches/utils.py
+++ b/coolamqp/attaches/utils.py
@@ -251,7 +251,6 @@ class Synchronized(object):
             ...
 
     """
-    __slots__ = ('_monitor_lock', )
 
     def __init__(self):
         self._monitor_lock = threading.Lock()
diff --git a/tests/test_attaches/test_declarer.py b/tests/test_attaches/test_declarer.py
deleted file mode 100644
index 6cc73b10896b6949db1eac7a573fe957dea65b45..0000000000000000000000000000000000000000
--- a/tests/test_attaches/test_declarer.py
+++ /dev/null
@@ -1,13 +0,0 @@
-import unittest
-
-from coolamqp.attaches import Declarer
-
-
-class TestDeclarer(unittest.TestCase):
-    def test_declarer_slots(self):
-        """Test that __slots__ are respected"""
-        d = Declarer(None)
-        def add_argument():
-            d.extra_argument = False
-
-        self.assertRaises(AttributeError, add_argument)