--- a/taskcluster/taskgraph/transforms/l10n.py
+++ b/taskcluster/taskgraph/transforms/l10n.py
@@ -19,17 +19,16 @@ from taskgraph.util.schema import (
     optionally_keyed_by,
     resolve_keyed_by,
     Schema,
 )
 from taskgraph.util.treeherder import split_symbol, join_symbol
 from taskgraph.transforms.job import job_description_schema
 from voluptuous import (
     Any,
-    Extra,
     Optional,
     Required,
 )
 
 
 def _by_platform(arg):
     return optionally_keyed_by('build-platform', arg)
 
@@ -98,27 +97,16 @@ l10n_description_schema = Schema({
         Required('platform'): _by_platform(basestring),
 
         # Symbol to use
         Required('symbol'): basestring,
 
         # Tier this task is
         Required('tier'): _by_platform(int),
     },
-    Required('attributes'): {
-        # Is this a nightly task, inferred from dependent job before validation
-        Optional('nightly'): bool,
-
-        # build_platform of this task, inferred from dependent job before validation
-        Required('build_platform'): basestring,
-
-        # build_type for this task, inferred from dependent job before validation
-        Required('build_type'): basestring,
-        Extra: object,
-    },
 
     # Extra environment values to pass to the worker
     Optional('env'): _by_platform({basestring: taskref_or_string}),
 
     # Number of chunks to split the locale repacks up into
     Optional('chunks'): _by_platform(int),
 
     # Task deps to chain this task with, added in transforms from dependent-task
@@ -126,16 +114,17 @@ l10n_description_schema = Schema({
     Optional('dependencies'): {basestring: basestring},
 
     # Run the task when the listed files change (if present).
     Optional('when'): {
         'files-changed': [basestring]
     },
 
     # passed through directly to the job description
+    Optional('attributes'): job_description_schema['attributes'],
     Optional('extra'): job_description_schema['extra'],
 })
 
 transforms = TransformSequence()
 
 
 def _parse_locales_file(locales_file, platform=None):
     """ Parse the passed locales file for a list of locales.

--- a/taskcluster/taskgraph/util/schema.py
+++ b/taskcluster/taskgraph/util/schema.py
@@ -130,19 +130,16 @@ def resolve_keyed_by(item, field, item_n
                 keyed_by, key, field, item_name))
 
 # Schemas for YAML files should use dashed identifiers by default.  If there are
 # components of the schema for which there is a good reason to use another format,
 # they can be whitelisted here.
 WHITELISTED_SCHEMA_IDENTIFIERS = [
     # upstream-artifacts are handed directly to scriptWorker, which expects interCaps
     lambda path: "[u'upstream-artifacts']" in path,
-
-    # attributes (TODO)
-    lambda path: path.startswith("schema[u'attributes']"),
 ]
 
 
 def check_schema(schema):
     identifier_re = re.compile('^[a-z][a-z0-9-]*$')
 
     def whitelisted(path):
         return any(f(path) for f in WHITELISTED_SCHEMA_IDENTIFIERS)