diff --git a/lib/ansible/module_common.py b/lib/ansible/module_common.py
index 3163da83c8..ce0a2c55b8 100644
--- a/lib/ansible/module_common.py
+++ b/lib/ansible/module_common.py
@@ -54,7 +54,7 @@ except ImportError:
 
 class AnsibleModule(object):
 
-    def __init__(self, argument_spec, bypass_checks=False, no_log=False):
+    def __init__(self, argument_spec, bypass_checks=False, no_log=False, check_invalid_arguments=True):
         ''' 
         common code for quickly building an ansible module in Python
         (although you can write modules in anything that can return JSON)
@@ -66,8 +66,11 @@ class AnsibleModule(object):
 
         self._legal_inputs = []
         self._handle_aliases()
-        # temporarily disabled
-        # self._check_invalid_arguments()
+    
+        # this may be disabled where modules are going to daisy chain into others
+        if check_invalid_arguments:
+            self._check_invalid_arguments()
+
         self._set_defaults(pre=True)
 
         if not bypass_checks:
diff --git a/library/copy b/library/copy
index 66b5921d71..7284a12abf 100755
--- a/library/copy
+++ b/library/copy
@@ -23,6 +23,8 @@ import shutil
 def main():
 
     module = AnsibleModule(
+        # not checking because of daisy chain to file module
+        check_invalid_arguments = False,
         argument_spec = dict(
             src=dict(required=True),
             dest=dict(required=True)
diff --git a/library/file b/library/file
index e9089c569d..41b8a1d59d 100755
--- a/library/file
+++ b/library/file
@@ -212,7 +212,8 @@ def rmtree_error(func, path, exc_info):
 def main():
 
     global module
-    module = AnsibleFileModule(
+    module = AnsibleModule(
+        check_invalid_arguments = False,
         argument_spec = dict(
             state = dict(choices=['file','directory','link','absent'], default='file'),
             path  = dict(aliases=['dest', 'name'], required=True),
@@ -348,12 +349,5 @@ def main():
 
 # this is magic, see lib/ansible/module_common.py
 #<<INCLUDE_ANSIBLE_MODULE_COMMON>>
-
-class AnsibleFileModule(AnsibleModule):
-
-    def _check_invalid_arguments(self):
-        # needed to support daisy chaining
-        pass
-
 main()
 
diff --git a/library/get_url b/library/get_url
index 5f166629c9..057a8c662b 100755
--- a/library/get_url
+++ b/library/get_url
@@ -128,6 +128,8 @@ def main():
         module.fail_json(msg="urlparse is not installed")
 
     module = AnsibleModule(
+        # not checking because of daisy chain to file module
+        check_invalid_arguments = False,
         argument_spec = dict(
             url = dict(required=True),
             dest = dict(required=True),