diff --git a/artiq/language/environment.py b/artiq/language/environment.py
index 35654aab4..c61a1fa79 100644
--- a/artiq/language/environment.py
+++ b/artiq/language/environment.py
@@ -149,14 +149,13 @@ class HasEnvironment:
     """Provides methods to manage the environment of an experiment (devices,
     parameters, results, arguments)."""
     def __init__(self, device_mgr=None, dataset_mgr=None, *, parent=None,
-                 default_arg_none=False, enable_processors=False, **kwargs):
+                 default_arg_none=False, **kwargs):
         self.requested_args = OrderedDict()
 
         self.__device_mgr = device_mgr
         self.__dataset_mgr = dataset_mgr
         self.__parent = parent
         self.__default_arg_none = default_arg_none
-        self.__enable_processors = enable_processors
 
         self.__kwargs = kwargs
         self.__in_build = True
@@ -215,10 +214,7 @@ class HasEnvironment:
                     return None
                 else:
                     raise
-        if self.__enable_processors:
-            return processor.process(argval)
-        else:
-            return argval
+        return processor.process(argval)
 
     def setattr_argument(self, key, processor=None, group=None):
         """Sets an argument as attribute. The names of the argument and of the
diff --git a/artiq/master/worker_impl.py b/artiq/master/worker_impl.py
index 79f71eba2..ec91181e3 100644
--- a/artiq/master/worker_impl.py
+++ b/artiq/master/worker_impl.py
@@ -139,8 +139,7 @@ def examine(device_mgr, dataset_mgr, file):
                 if name[-1] == ".":
                     name = name[:-1]
             exp_inst = exp_class(device_mgr, dataset_mgr,
-                                 default_arg_none=True,
-                                 enable_processors=True)
+                                 default_arg_none=True)
             arginfo = OrderedDict(
                 (k, (proc.describe(), group))
                 for k, (proc, group) in exp_inst.requested_args.items())
@@ -215,8 +214,7 @@ def main():
                 os.makedirs(dirname, exist_ok=True)
                 os.chdir(dirname)
                 exp_inst = exp(
-                    device_mgr, dataset_mgr, enable_processors=True,
-                    **expid["arguments"])
+                    device_mgr, dataset_mgr, **expid["arguments"])
                 put_object({"action": "completed"})
             elif action == "prepare":
                 exp_inst.prepare()