diff --git a/slixmpp/plugins/xep_0279/ipcheck.py b/slixmpp/plugins/xep_0279/ipcheck.py
index 56d9afd4..8954c3d9 100644
--- a/slixmpp/plugins/xep_0279/ipcheck.py
+++ b/slixmpp/plugins/xep_0279/ipcheck.py
@@ -31,11 +31,11 @@ class XEP_0279(BasePlugin):
     def plugin_end(self):
         self.xmpp['xep_0030'].del_feature(feature='urn:xmpp:sic:0')
 
-    def check_ip(self, ifrom=None, block=True, timeout=None, callback=None,
+    def check_ip(self, ifrom=None, timeout=None, callback=None,
                       timeout_callback=None):
         iq = self.xmpp.Iq()
         iq['type'] = 'get'
         iq['from'] = ifrom
         iq.enable('ip_check')
-        return iq.send(block=block, timeout=timeout, callback=callback,
+        return iq.send(timeout=timeout, callback=callback,
                        timeout_callback=timeout_callback)
diff --git a/slixmpp/plugins/xep_0332/http.py b/slixmpp/plugins/xep_0332/http.py
index bebb0e69..50f14322 100644
--- a/slixmpp/plugins/xep_0332/http.py
+++ b/slixmpp/plugins/xep_0332/http.py
@@ -114,7 +114,6 @@ class XEP_0332(BasePlugin):
             iq['http-req']['data'] = data
         return iq.send(
             timeout=kwargs.get('timeout', None),
-            block=kwargs.get('block', True),
             callback=kwargs.get('callback', None),
             timeout_callback=kwargs.get('timeout_callback', None)
         )
@@ -135,7 +134,6 @@ class XEP_0332(BasePlugin):
             iq['http-resp']['data'] = data
         return iq.send(
             timeout=kwargs.get('timeout', None),
-            block=kwargs.get('block', True),
             callback=kwargs.get('callback', None),
             timeout_callback=kwargs.get('timeout_callback', None)
         )
@@ -153,7 +151,6 @@ class XEP_0332(BasePlugin):
             iq['id'] = kwargs["id"]
         return iq.send(
             timeout=kwargs.get('timeout', None),
-            block=kwargs.get('block', True),
             callback=kwargs.get('callback', None),
             timeout_callback=kwargs.get('timeout_callback', None)
         )