diff --git a/rhodecode/lib/middleware/simplegit.py b/rhodecode/lib/middleware/simplegit.py
--- a/rhodecode/lib/middleware/simplegit.py
+++ b/rhodecode/lib/middleware/simplegit.py
@@ -222,8 +222,7 @@ class SimpleGit(BaseVCSController):
             # store the make_lock for later evaluation in hooks
             extras.update({'make_lock': make_lock,
                            'locked_by': locked_by})
-        # set the environ variables for this request
-        os.environ['RC_SCM_DATA'] = json.dumps(extras)
+
         fix_PATH()
         log.debug('HOOKS extras is %s' % extras)
         baseui = make_ui('db')
diff --git a/rhodecode/lib/middleware/simplehg.py b/rhodecode/lib/middleware/simplehg.py
--- a/rhodecode/lib/middleware/simplehg.py
+++ b/rhodecode/lib/middleware/simplehg.py
@@ -185,8 +185,6 @@ class SimpleHg(BaseVCSController):
             extras.update({'make_lock': make_lock,
                            'locked_by': locked_by})
 
-        # set the environ variables for this request
-        os.environ['RC_SCM_DATA'] = json.dumps(extras)
         fix_PATH()
         log.debug('HOOKS extras is %s' % extras)
         baseui = make_ui('db')