--- a/taskcluster/taskgraph/transforms/nightly_l10n_signing.py
+++ b/taskcluster/taskgraph/transforms/nightly_l10n_signing.py
@@ -27,29 +27,27 @@ def make_signing_description(config, job
                 {
                     'artifacts': ['public/build/{locale}/target.apk'],
                     'format': 'jar',
                 },
             ]
         elif 'macosx' in dep_platform:
             job_specs = [
                  {
-                    'artifacts': ['public/build/{locale}/target.dmg',
-                                  'public/build/{locale}/target.checksums'],
+                    'artifacts': ['public/build/{locale}/target.dmg'],
                     'format': 'dmg',
                  }, {
                     'artifacts': ['public/build/{locale}/target.complete.mar'],
                     'format': 'mar',
                  }
             ]
         else:
             job_specs = [
                 {
-                    'artifacts': ['public/build/{locale}/target.tar.bz2',
-                                  'public/build/{locale}/target.checksums'],
+                    'artifacts': ['public/build/{locale}/target.tar.bz2'],
                     'format': 'gpg',
                 }, {
                     'artifacts': ['public/build/{locale}/target.complete.mar'],
                     'format': 'mar',
                 }
             ]
         upstream_artifacts = []
         for spec in job_specs: