diff --git a/openerp/osv/fields.py b/openerp/osv/fields.py
index 76aecfe2b84..e836bf370d9 100644
--- a/openerp/osv/fields.py
+++ b/openerp/osv/fields.py
@@ -56,19 +56,8 @@ from openerp import SUPERUSER_ID, registry
 @contextmanager
 def _get_cursor():
     # yield a valid cursor from any environment or create a new one if none found
-    from openerp.api import Environment
-    from openerp.http import request
-    try:
-        request.env     # force request's env to be computed
-    except RuntimeError:
-        pass    # ignore if not in a request
-    for env in Environment.envs:
-        if not env.cr.closed:
-            yield env.cr
-            break
-    else:
-        with registry().cursor() as cr:
-            yield cr
+    with registry().cursor() as cr:
+        yield cr
 
 EMPTY_DICT = frozendict()