diff --git a/taskcluster/taskgraph/loader/test.py b/taskcluster/taskgraph/loader/test.py
index 4aa59fae1a2c..600258e9e338 100644
--- a/taskcluster/taskgraph/loader/test.py
+++ b/taskcluster/taskgraph/loader/test.py
@@ -51,8 +51,6 @@ def loader(kind, path, config, params, loaded_tasks):
 
             test['build-attributes'] = test_platform['build-attributes']
             test['test-name'] = test_name
-            if test_platform.get('nightly'):
-                test.setdefault('attributes', {})['nightly'] = True
             if test_platform.get('shippable'):
                 test.setdefault('attributes', {})['shippable'] = True
                 test['attributes']['shipping_product'] = test_platform['shipping_product']
@@ -99,9 +97,6 @@ def get_test_platforms(test_platforms_cfg, builds_by_platform, signed_builds_by_
             'build-attributes': builds_by_platform[build_platform].attributes,
         }
 
-        if builds_by_platform[build_platform].attributes.get('nightly'):
-            test_platforms[test_platform]['nightly'] = \
-                builds_by_platform[build_platform].attributes['nightly']
         if builds_by_platform[build_platform].attributes.get('shippable'):
             test_platforms[test_platform]['shippable'] = \
                 builds_by_platform[build_platform].attributes['shippable']
diff --git a/taskcluster/taskgraph/target_tasks.py b/taskcluster/taskgraph/target_tasks.py
index f567c4937309..f5359df32543 100644
--- a/taskcluster/taskgraph/target_tasks.py
+++ b/taskcluster/taskgraph/target_tasks.py
@@ -53,8 +53,9 @@ def get_method(method):
     return _target_task_methods[method]
 
 
-def filter_out_nightly(task, parameters):
+def filter_out_shipping_phase(task, parameters):
     return (
+        # nightly still here because of geckodriver
         not task.attributes.get('nightly') and
         task.attributes.get('shipping_phase') in (None, 'build')
         )
@@ -232,7 +233,7 @@ def target_tasks_try_auto(full_task_graph, parameters, graph_config):
     parameters = Parameters(**params)
     return [l for l, t in six.iteritems(full_task_graph.tasks)
             if standard_filter(t, parameters)
-            and filter_out_nightly(t, parameters)
+            and filter_out_shipping_phase(t, parameters)
             and filter_by_uncommon_try_tasks(t.label)]
 
 
@@ -242,7 +243,7 @@ def target_tasks_default(full_task_graph, parameters, graph_config):
     via the `run_on_projects` attributes."""
     return [l for l, t in six.iteritems(full_task_graph.tasks)
             if standard_filter(t, parameters)
-            and filter_out_nightly(t, parameters)
+            and filter_out_shipping_phase(t, parameters)
             and filter_out_devedition(t, parameters)]
 
 
@@ -433,8 +434,8 @@ def target_tasks_pine(full_task_graph, parameters, graph_config):
         # disable asan
         if platform == 'linux64-asan':
             return False
-        # disable non-pine and nightly tasks
-        if standard_filter(task, parameters) or filter_out_nightly(task, parameters):
+        # disable non-pine and tasks with a shipping phase
+        if standard_filter(task, parameters) or filter_out_shipping_phase(task, parameters):
             return True
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t)]
 
@@ -572,10 +573,7 @@ def make_desktop_nightly_filter(platforms):
         return all([
             filter_on_platforms(task, platforms),
             filter_for_project(task, parameters),
-            any([
-                task.attributes.get('nightly', False),
-                task.attributes.get('shippable', False),
-            ]),
+            task.attributes.get('shippable', False),
             # Tests and nightly only builds don't have `shipping_product` set
             task.attributes.get('shipping_product') in {None, "firefox", "thunderbird"},
             task.kind not in {'l10n'},  # no on-change l10n
@@ -589,7 +587,7 @@ def target_tasks_nightly_linux(full_task_graph, parameters, graph_config):
     nightly build process involves a pipeline of builds, signing,
     and, eventually, uploading the tasks to balrog."""
     filter = make_desktop_nightly_filter({
-        'linux64-nightly', 'linux-nightly', 'linux64-shippable', 'linux-shippable'
+        'linux64-shippable', 'linux-shippable'
         })
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t, parameters)]
 
@@ -599,7 +597,7 @@ def target_tasks_nightly_macosx(full_task_graph, parameters, graph_config):
     """Select the set of tasks required for a nightly build of macosx. The
     nightly build process involves a pipeline of builds, signing,
     and, eventually, uploading the tasks to balrog."""
-    filter = make_desktop_nightly_filter({'macosx64-nightly', 'macosx64-shippable'})
+    filter = make_desktop_nightly_filter({'macosx64-shippable'})
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t, parameters)]
 
 
@@ -608,7 +606,7 @@ def target_tasks_nightly_win32(full_task_graph, parameters, graph_config):
     """Select the set of tasks required for a nightly build of win32 and win64.
     The nightly build process involves a pipeline of builds, signing,
     and, eventually, uploading the tasks to balrog."""
-    filter = make_desktop_nightly_filter({'win32-nightly', 'win32-shippable'})
+    filter = make_desktop_nightly_filter({'win32-shippable'})
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t, parameters)]
 
 
@@ -617,7 +615,7 @@ def target_tasks_nightly_win64(full_task_graph, parameters, graph_config):
     """Select the set of tasks required for a nightly build of win32 and win64.
     The nightly build process involves a pipeline of builds, signing,
     and, eventually, uploading the tasks to balrog."""
-    filter = make_desktop_nightly_filter({'win64-nightly', 'win64-shippable'})
+    filter = make_desktop_nightly_filter({'win64-shippable'})
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t, parameters)]
 
 
@@ -626,7 +624,7 @@ def target_tasks_nightly_win64_aarch64(full_task_graph, parameters, graph_config
     """Select the set of tasks required for a nightly build of win32 and win64.
     The nightly build process involves a pipeline of builds, signing,
     and, eventually, uploading the tasks to balrog."""
-    filter = make_desktop_nightly_filter({'win64-aarch64-nightly', 'win64-aarch64-shippable'})
+    filter = make_desktop_nightly_filter({'win64-aarch64-shippable'})
     return [l for l, t in six.iteritems(full_task_graph.tasks) if filter(t, parameters)]
 
 
diff --git a/taskcluster/taskgraph/transforms/beetmover.py b/taskcluster/taskgraph/transforms/beetmover.py
index cb533d5db471..873dc79ffa3e 100644
--- a/taskcluster/taskgraph/transforms/beetmover.py
+++ b/taskcluster/taskgraph/transforms/beetmover.py
@@ -114,7 +114,6 @@ def make_task_description(config, jobs):
 def craft_release_properties(config, job):
     params = config.params
     build_platform = job['attributes']['build_platform']
-    build_platform = build_platform.replace('-nightly', '')
     build_platform = build_platform.replace('-shippable', '')
     if build_platform.endswith("-source"):
         build_platform = build_platform.replace('-source', '-release')
diff --git a/taskcluster/taskgraph/transforms/build.py b/taskcluster/taskgraph/transforms/build.py
index 38bef44cd1e0..ec43fb52437c 100644
--- a/taskcluster/taskgraph/transforms/build.py
+++ b/taskcluster/taskgraph/transforms/build.py
@@ -171,7 +171,6 @@ def use_artifact(config, jobs):
         use_artifact = False
     for job in jobs:
         if (config.kind == 'build' and use_artifact and
-            not job.get('attributes', {}).get('nightly', False) and
             job.get('index', {}).get('job-name') in ARTIFACT_JOBS):
             job['treeherder']['symbol'] += 'a'
             job['worker']['env']['USE_ARTIFACT'] = '1'
diff --git a/taskcluster/taskgraph/transforms/build_lints.py b/taskcluster/taskgraph/transforms/build_lints.py
index 429a80b27601..1557767cb020 100644
--- a/taskcluster/taskgraph/transforms/build_lints.py
+++ b/taskcluster/taskgraph/transforms/build_lints.py
@@ -39,7 +39,6 @@ def check_mozharness_perfherder_options(config, jobs):
         platform = job['treeherder']['platform']
         primary_config = job['run']['config'][0]
         options = worker.get('env', {}).get('PERFHERDER_EXTRA_OPTIONS')
-        nightly = job.get('attributes', {}).get('nightly', False)
         shippable = job.get('attributes', {}).get('shippable', False)
 
         # This isn't strictly necessary. But the Perfherder code looking at the
@@ -47,7 +46,7 @@ def check_mozharness_perfherder_options(config, jobs):
         # sense to run this linter elsewhere.
         assert primary_config.startswith('builds/')
 
-        key = (platform, primary_config, (nightly or shippable), options)
+        key = (platform, primary_config, shippable, options)
 
         if key in SEEN_CONFIGS:
             raise Exception(
diff --git a/taskcluster/taskgraph/transforms/build_signing.py b/taskcluster/taskgraph/transforms/build_signing.py
index d54f9011cd29..eb522fca9e82 100644
--- a/taskcluster/taskgraph/transforms/build_signing.py
+++ b/taskcluster/taskgraph/transforms/build_signing.py
@@ -25,15 +25,7 @@ def add_signed_routes(config, jobs):
         enable_signing_routes = job.pop('enable-signing-routes', True)
 
         job['routes'] = []
-        if dep_job.attributes.get('nightly') and enable_signing_routes:
-            for dep_route in dep_job.task.get('routes', []):
-                if not dep_route.startswith('index.gecko.v2'):
-                    continue
-                branch = dep_route.split(".")[3]
-                rest = ".".join(dep_route.split(".")[4:])
-                job['routes'].append(
-                    'index.gecko.v2.{}.signed-nightly.{}'.format(branch, rest))
-        elif dep_job.attributes.get('shippable') and enable_signing_routes:
+        if dep_job.attributes.get('shippable') and enable_signing_routes:
             for dep_route in dep_job.task.get('routes', []):
                 if not dep_route.startswith('index.gecko.v2'):
                     continue
diff --git a/taskcluster/taskgraph/transforms/geckodriver_signing.py b/taskcluster/taskgraph/transforms/geckodriver_signing.py
index 94c95186d3b7..f689fdbb5f9f 100644
--- a/taskcluster/taskgraph/transforms/geckodriver_signing.py
+++ b/taskcluster/taskgraph/transforms/geckodriver_signing.py
@@ -55,9 +55,9 @@ def make_signing_description(config, jobs):
         )
 
         build_platform = dep_job.attributes.get('build_platform')
-        is_nightly = dep_job.attributes.get('nightly', dep_job.attributes.get('shippable'))
+        is_shippable = dep_job.attributes.get('shippable')
         signing_cert_scope = get_signing_cert_scope_per_platform(
-            build_platform, is_nightly, config
+            build_platform, is_shippable, config
         )
 
         upstream_artifacts = _craft_upstream_artifacts(dep_job, dep_job.kind, build_platform)
diff --git a/taskcluster/taskgraph/transforms/job/mozharness_test.py b/taskcluster/taskgraph/transforms/job/mozharness_test.py
index 157d01092395..37dcf690b12a 100644
--- a/taskcluster/taskgraph/transforms/job/mozharness_test.py
+++ b/taskcluster/taskgraph/transforms/job/mozharness_test.py
@@ -27,7 +27,6 @@ from taskgraph.transforms.job.common import (
 )
 
 VARIANTS = [
-    'nightly',
     'shippable',
     'devedition',
     'pgo',
@@ -57,10 +56,10 @@ def test_packages_url(taskdesc):
     """Account for different platforms that name their test packages differently"""
     artifact_url = get_artifact_url('<build>', get_artifact_path(taskdesc,
                                     'target.test_packages.json'))
-    # for android nightly we need to add 'en-US' to the artifact url
+    # for android shippable we need to add 'en-US' to the artifact url
     test = taskdesc['run']['test']
     if 'android' in test['test-platform'] and (
-            get_variant(test['test-platform']) in ("nightly", 'shippable')):
+            get_variant(test['test-platform']) in ('shippable', )):
         head, tail = os.path.split(artifact_url)
         artifact_url = os.path.join(head, 'en-US', tail)
     return artifact_url
diff --git a/taskcluster/taskgraph/transforms/l10n.py b/taskcluster/taskgraph/transforms/l10n.py
index 0606ca2e62d2..6a65ecf6e9c4 100644
--- a/taskcluster/taskgraph/transforms/l10n.py
+++ b/taskcluster/taskgraph/transforms/l10n.py
@@ -137,7 +137,7 @@ l10n_description_schema = schema.extend({
     Optional('locales-per-chunk'): _by_platform(int),
 
     # Task deps to chain this task with, added in transforms from primary-dependency
-    # if this is a nightly
+    # if this is a shippable-style build
     Optional('dependencies'): {text_type: text_type},
 
     # Run the task when the listed files change (if present).
@@ -211,7 +211,7 @@ transforms.add_validate(l10n_description_schema)
 
 
 @transforms.add
-def setup_nightly_dependency(config, jobs):
+def setup_shippable_dependency(config, jobs):
     """ Sets up a task dependency to the signing job this relates to """
     for job in jobs:
         job['dependencies'] = {'build': job['dependent-tasks']['build'].label}
@@ -282,7 +282,6 @@ def handle_artifact_prefix(config, jobs):
 def all_locales_attribute(config, jobs):
     for job in jobs:
         locales_platform = job['attributes']['build_platform'].replace("-shippable", "")
-        locales_platform = locales_platform.replace("-nightly", "")
         locales_platform = locales_platform.replace("-pgo", "")
         locales_with_changesets = parse_locales_file(job["locales-file"],
                                                      platform=locales_platform)
diff --git a/taskcluster/taskgraph/transforms/mar_signing.py b/taskcluster/taskgraph/transforms/mar_signing.py
index d07b0212369b..07ae59f04ed9 100644
--- a/taskcluster/taskgraph/transforms/mar_signing.py
+++ b/taskcluster/taskgraph/transforms/mar_signing.py
@@ -128,8 +128,7 @@ def make_task_description(config, jobs):
         is_shippable = job.get(
             'shippable',  # First check current job
             dep_job.attributes.get(
-                'shippable',  # Then dep job for 'shippable'
-                dep_job.attributes.get('nightly')))  # lastly dep job for 'nightly'
+                'shippable'))  # Then dep job for 'shippable'
         signing_cert_scope = get_signing_cert_scope_per_platform(
             build_platform, is_shippable, config
         )
diff --git a/taskcluster/taskgraph/transforms/partner_repack.py b/taskcluster/taskgraph/transforms/partner_repack.py
index 2de466b9da72..ecec94abaded 100644
--- a/taskcluster/taskgraph/transforms/partner_repack.py
+++ b/taskcluster/taskgraph/transforms/partner_repack.py
@@ -68,15 +68,13 @@ def add_command_arguments(config, tasks):
                 all_locales.update(sub_partner.get('locales', []))
     for task in tasks:
         # add the MOZHARNESS_OPTIONS, eg version=61.0, build-number=1, platform=win64
-        if not task['attributes']['build_platform'].endswith('-shippable') and \
-                not task['attributes']['build_platform'].endswith('-nightly'):
+        if not task['attributes']['build_platform'].endswith('-shippable'):
             raise Exception(
                 "Unexpected partner repack platform: {}".format(
                     task['attributes']['build_platform'],
                 ),
             )
         platform = task['attributes']['build_platform'].partition('-shippable')[0]
-        platform = platform.partition('-nightly')[0]
         task['run']['options'] = [
             'version={}'.format(release_config['version']),
             'build-number={}'.format(release_config['build_number']),
diff --git a/taskcluster/taskgraph/transforms/release_sign_and_push_langpacks.py b/taskcluster/taskgraph/transforms/release_sign_and_push_langpacks.py
index 3f02fcb06a7f..c12d63177c77 100644
--- a/taskcluster/taskgraph/transforms/release_sign_and_push_langpacks.py
+++ b/taskcluster/taskgraph/transforms/release_sign_and_push_langpacks.py
@@ -84,11 +84,9 @@ def filter_out_macos_jobs_but_mac_only_locales(config, jobs):
     for job in jobs:
         build_platform = job['primary-dependency'].attributes.get('build_platform')
 
-        if build_platform in (
-                'linux64-nightly', 'linux64-devedition', 'linux64-shippable'):
+        if build_platform in ('linux64-devedition', 'linux64-shippable'):
             yield job
-        elif build_platform in (
-                'macosx64-nightly', 'macosx64-devedition', 'macosx64-shippable') and \
+        elif build_platform in ('macosx64-devedition', 'macosx64-shippable') and \
                 'ja-JP-mac' in job['attributes']['chunk_locales']:
             # Other locales of the same job shouldn't be processed
             job['attributes']['chunk_locales'] = ['ja-JP-mac']
diff --git a/taskcluster/taskgraph/transforms/repackage.py b/taskcluster/taskgraph/transforms/repackage.py
index c81a33d6578d..cfea07d3fccd 100644
--- a/taskcluster/taskgraph/transforms/repackage.py
+++ b/taskcluster/taskgraph/transforms/repackage.py
@@ -205,10 +205,7 @@ def make_job_description(config, jobs):
             attributes['locale'] = locale
 
         treeherder = job.get('treeherder', {})
-        if attributes.get('nightly'):
-            treeherder.setdefault('symbol', 'Nr')
-        else:
-            treeherder.setdefault('symbol', 'Rpk')
+        treeherder.setdefault('symbol', 'Rpk')
         dep_th_platform = dep_job.task.get('extra', {}).get('treeherder-platform')
         treeherder.setdefault('platform', dep_th_platform)
         treeherder.setdefault('tier', 1)
diff --git a/taskcluster/taskgraph/transforms/repackage_routes.py b/taskcluster/taskgraph/transforms/repackage_routes.py
index 9840315545b9..0171663f4b6d 100644
--- a/taskcluster/taskgraph/transforms/repackage_routes.py
+++ b/taskcluster/taskgraph/transforms/repackage_routes.py
@@ -23,12 +23,8 @@ def add_indexes(config, jobs):
             index_type = 'generic'
             if job['attributes'].get('shippable') and job['attributes'].get('locale'):
                 index_type = 'shippable-l10n'
-            if job['attributes'].get('nightly') and job['attributes'].get('locale'):
-                index_type = 'nightly-l10n'
             if job['attributes'].get('shippable'):
                 index_type = 'shippable'
-            if job['attributes'].get('nightly'):
-                index_type = 'nightly'
             if job['attributes'].get('locale'):
                 index_type = 'l10n'
             job['index'] = {
diff --git a/taskcluster/taskgraph/transforms/repackage_signing.py b/taskcluster/taskgraph/transforms/repackage_signing.py
index 059ab7b71aea..82dc3cdd1eba 100644
--- a/taskcluster/taskgraph/transforms/repackage_signing.py
+++ b/taskcluster/taskgraph/transforms/repackage_signing.py
@@ -46,10 +46,7 @@ def make_repackage_signing_description(config, jobs):
         attributes['repackage_type'] = 'repackage-signing'
 
         treeherder = job.get('treeherder', {})
-        if attributes.get('nightly'):
-            treeherder.setdefault('symbol', 'rs(N)')
-        else:
-            treeherder.setdefault('symbol', 'rs(B)')
+        treeherder.setdefault('symbol', 'rs(B)')
         dep_th_platform = dep_job.task.get('extra', {}).get('treeherder-platform')
         treeherder.setdefault('platform', dep_th_platform)
         treeherder.setdefault(
@@ -88,9 +85,9 @@ def make_repackage_signing_description(config, jobs):
         )
 
         build_platform = dep_job.attributes.get('build_platform')
-        is_nightly = dep_job.attributes.get('nightly', dep_job.attributes.get('shippable'))
+        is_shippable = dep_job.attributes.get('shippable')
         signing_cert_scope = get_signing_cert_scope_per_platform(
-            build_platform, is_nightly, config
+            build_platform, is_shippable, config
         )
         scopes = [signing_cert_scope]
 
diff --git a/taskcluster/taskgraph/transforms/repackage_signing_partner.py b/taskcluster/taskgraph/transforms/repackage_signing_partner.py
index 88752fc5a457..7d5c7904410d 100644
--- a/taskcluster/taskgraph/transforms/repackage_signing_partner.py
+++ b/taskcluster/taskgraph/transforms/repackage_signing_partner.py
@@ -41,7 +41,7 @@ def make_repackage_signing_description(config, jobs):
         repack_id = dep_job.task['extra']['repack_id']
         attributes = dep_job.attributes
         build_platform = dep_job.attributes.get('build_platform')
-        is_nightly = dep_job.attributes.get('nightly', dep_job.attributes.get('shippable'))
+        is_shippable = dep_job.attributes.get('shippable')
 
         # Mac & windows
         label = dep_job.label.replace("repackage-", "repackage-signing-")
@@ -70,7 +70,7 @@ def make_repackage_signing_description(config, jobs):
         attributes['repackage_type'] = 'repackage-signing'
 
         signing_cert_scope = get_signing_cert_scope_per_platform(
-            build_platform, is_nightly, config
+            build_platform, is_shippable, config
         )
         scopes = [signing_cert_scope]
 
diff --git a/taskcluster/taskgraph/transforms/signing.py b/taskcluster/taskgraph/transforms/signing.py
index f45f1b65f8d6..0e8f22e36c1e 100644
--- a/taskcluster/taskgraph/transforms/signing.py
+++ b/taskcluster/taskgraph/transforms/signing.py
@@ -114,8 +114,7 @@ def make_task_description(config, jobs):
             for f in artifacts['formats']:
                 formats.add(f)  # Add each format only once
 
-        is_nightly = dep_job.attributes.get(
-            'nightly', dep_job.attributes.get('shippable', False))
+        is_shippable = dep_job.attributes.get('shippable', False)
         build_platform = dep_job.attributes.get('build_platform')
         treeherder = None
         if 'partner' not in config.kind and 'eme-free' not in config.kind:
@@ -158,9 +157,9 @@ def make_task_description(config, jobs):
             attributes['chunk_locales'] = dep_job.attributes.get('chunk_locales')
 
         signing_cert_scope = get_signing_cert_scope_per_platform(
-            build_platform, is_nightly, config
+            build_platform, is_shippable, config
         )
-        worker_type_alias = 'linux-signing' if is_nightly else 'linux-depsigning'
+        worker_type_alias = 'linux-signing' if is_shippable else 'linux-depsigning'
         mac_behavior = None
         task = {
             'label': label,
@@ -182,9 +181,6 @@ def make_task_description(config, jobs):
             shippable = "false"
             if "shippable" in attributes and attributes["shippable"]:
                 shippable = "true"
-            # remove the nightly check once nightly is gone as an attribute
-            if "nightly" in attributes and attributes["nightly"]:
-                shippable = "true"
             mac_behavior = evaluate_keyed_by(
                 config.graph_config['mac-notarization']['mac-behavior'],
                 'mac behavior',
diff --git a/taskcluster/taskgraph/transforms/tests.py b/taskcluster/taskgraph/transforms/tests.py
index 27f7be08e5a2..b124c9b470de 100644
--- a/taskcluster/taskgraph/transforms/tests.py
+++ b/taskcluster/taskgraph/transforms/tests.py
@@ -860,7 +860,6 @@ def set_tier(config, tasks):
         if 'tier' not in task or task['tier'] == 'default':
             if task['test-platform'] in [
                 'linux64/opt',
-                'linux64-nightly/opt',
                 'linux64/debug',
                 'linux64-pgo/opt',
                 'linux64-shippable/opt',
@@ -882,7 +881,6 @@ def set_tier(config, tasks):
                 'windows7-32/opt',
                 'windows7-32-pgo/opt',
                 'windows7-32-devedition/opt',
-                'windows7-32-nightly/opt',
                 'windows7-32-shippable/opt',
                 'windows10-aarch64/opt',
                 'windows10-64/debug',
@@ -890,7 +888,6 @@ def set_tier(config, tasks):
                 'windows10-64-pgo/opt',
                 'windows10-64-shippable/opt',
                 'windows10-64-devedition/opt',
-                'windows10-64-nightly/opt',
                 'windows10-64-asan/opt',
                 'windows10-64-qr/opt',
                 'windows10-64-qr/debug',
@@ -898,7 +895,6 @@ def set_tier(config, tasks):
                 'windows10-64-shippable-qr/opt',
                 'macosx1014-64/opt',
                 'macosx1014-64/debug',
-                'macosx1014-64-nightly/opt',
                 'macosx1014-64-shippable/opt',
                 'macosx1014-64-devedition/opt',
                 'macosx1014-64-qr/opt',
diff --git a/taskcluster/taskgraph/transforms/upload_generated_sources.py b/taskcluster/taskgraph/transforms/upload_generated_sources.py
index f9ff315066be..18f2c8cc97bf 100644
--- a/taskcluster/taskgraph/transforms/upload_generated_sources.py
+++ b/taskcluster/taskgraph/transforms/upload_generated_sources.py
@@ -28,8 +28,6 @@ def add_task_info(config, jobs):
         dep_th = dep_task.task['extra']['treeherder']
         job.setdefault('attributes', {})
         job['attributes']['build_platform'] = dep_task.attributes.get('build_platform')
-        if dep_task.attributes.get('nightly'):
-            job['attributes']['nightly'] = True
         if dep_task.attributes.get('shippable'):
             job['attributes']['shippable'] = True
         plat = '{}/{}'.format(dep_th['machine']['platform'], dep_task.attributes.get('build_type'))
diff --git a/taskcluster/taskgraph/transforms/upload_symbols.py b/taskcluster/taskgraph/transforms/upload_symbols.py
index 06ef685ebfce..77cda9e78187 100644
--- a/taskcluster/taskgraph/transforms/upload_symbols.py
+++ b/taskcluster/taskgraph/transforms/upload_symbols.py
@@ -21,7 +21,7 @@ transforms = TransformSequence()
 
 @transforms.add
 def check_nightlies(config, tasks):
-    """Ensure that we upload symbols for all nightly builds, so that crash-stats can
+    """Ensure that we upload symbols for all shippable builds, so that crash-stats can
     resolve any reports sent to it. Try may enable full symbols but not upload them.
 
     Putting this check here (instead of the transforms for the build kind) lets us
@@ -29,9 +29,9 @@ def check_nightlies(config, tasks):
     for task in tasks:
         dep = task['primary-dependency']
         if config.params['project'] in RELEASE_PROJECTS and \
-                dep.attributes.get('nightly', dep.attributes.get('shippable')) and \
+                dep.attributes.get('shippable') and \
                 not dep.attributes.get('enable-full-crashsymbols'):
-            raise Exception('Nightly job %s should have enable-full-crashsymbols attribute '
+            raise Exception('Shippable job %s should have enable-full-crashsymbols attribute '
                             'set to true to enable symbol upload to crash-stats' % dep.label)
         yield task
 
@@ -71,10 +71,7 @@ def fill_template(config, tasks):
         )
         task['treeherder'] = treeherder
 
-        if attributes.get('nightly'):
-            # For nightly builds, we want to run these tasks if the build is run.
-            task['run-on-projects'] = dep.attributes.get('run_on_projects')
-        elif attributes.get('shippable'):
+        if attributes.get('shippable'):
             # For shippable builds, we want to run these tasks if the build is run.
             # XXX Better to run this on promote phase instead?
             task['run-on-projects'] = dep.attributes.get('run_on_projects')
diff --git a/taskcluster/taskgraph/try_option_syntax.py b/taskcluster/taskgraph/try_option_syntax.py
index a31281c68231..3a6d260a9ec0 100644
--- a/taskcluster/taskgraph/try_option_syntax.py
+++ b/taskcluster/taskgraph/try_option_syntax.py
@@ -557,8 +557,6 @@ class TryOptionSyntax(object):
         attr = task.attributes.get
 
         def check_run_on_projects():
-            if attr('nightly') and not self.include_nightly:
-                return False
             return set(['try', 'all']) & set(attr('run_on_projects', []))
 
         # Don't schedule fission tests when try option syntax is used
diff --git a/taskcluster/taskgraph/util/partials.py b/taskcluster/taskgraph/util/partials.py
index d3b85145ee39..08f0bfaf90eb 100644
--- a/taskcluster/taskgraph/util/partials.py
+++ b/taskcluster/taskgraph/util/partials.py
@@ -83,7 +83,7 @@ def get_balrog_platform_name(platform):
     Remove known values instead to catch aarch64 and other platforms
     that may be added.
     """
-    removals = ["-devedition", "-nightly", "-shippable"]
+    removals = ["-devedition", "-shippable"]
     for remove in removals:
         platform = platform.replace(remove, '')
     return PLATFORM_RENAMES.get(platform, platform)
diff --git a/taskcluster/taskgraph/util/scriptworker.py b/taskcluster/taskgraph/util/scriptworker.py
index 344a4b02c177..36e7cf0fa61a 100644
--- a/taskcluster/taskgraph/util/scriptworker.py
+++ b/taskcluster/taskgraph/util/scriptworker.py
@@ -336,10 +336,10 @@ def get_release_config(config):
     return release_config
 
 
-def get_signing_cert_scope_per_platform(build_platform, is_nightly, config):
+def get_signing_cert_scope_per_platform(build_platform, is_shippable, config):
     if 'devedition' in build_platform:
         return get_devedition_signing_cert_scope(config)
-    elif is_nightly:
+    elif is_shippable:
         return get_signing_cert_scope(config)
     else:
         return add_scope_prefix(config, 'signing:cert:dep-signing')
diff --git a/taskcluster/taskgraph/util/verify.py b/taskcluster/taskgraph/util/verify.py
index b83bb09a5c79..5810160aa7d0 100644
--- a/taskcluster/taskgraph/util/verify.py
+++ b/taskcluster/taskgraph/util/verify.py
@@ -290,11 +290,11 @@ def verify_always_optimized(task, taskgraph, scratch_pad, graph_config):
 
 
 @verifications.add('full_task_graph')
-def verify_nightly_no_sccache(task, taskgraph, scratch_pad, graph_config):
-    if task and any([task.attributes.get('nightly'), task.attributes.get('shippable')]):
+def verify_shippable_no_sccache(task, taskgraph, scratch_pad, graph_config):
+    if task and task.attributes.get('shippable'):
         if task.task.get('payload', {}).get('env', {}).get('USE_SCCACHE'):
             raise Exception(
-                'Nightly job {} cannot use sccache'.format(task.label))
+                'Shippable job {} cannot use sccache'.format(task.label))
 
 
 @verifications.add('full_task_graph')
@@ -306,7 +306,6 @@ def verify_test_packaging(task, taskgraph, scratch_pad, graph_config):
                 build_env = task.task.get('payload', {}).get('env', {})
                 package_tests = build_env.get('MOZ_AUTOMATION_PACKAGE_TESTS')
                 shippable = task.attributes.get('shippable', False)
-                nightly = task.attributes.get('nightly', False)
                 build_has_tests = scratch_pad.get(task.label)
 
                 if package_tests != '1':
@@ -315,10 +314,6 @@ def verify_test_packaging(task, taskgraph, scratch_pad, graph_config):
                         exceptions.append('Build job {} is shippable and does not specify '
                                           'MOZ_AUTOMATION_PACKAGE_TESTS=1 in the '
                                           'environment.'.format(task.label))
-                    if nightly:
-                        exceptions.append('Build job {} is nightly and does not specify '
-                                          'MOZ_AUTOMATION_PACKAGE_TESTS=1 in the '
-                                          'environment.'.format(task.label))
 
                     # Build tasks in the scratch pad have tests dependent on
                     # them, so we need to package tests during build.
@@ -329,9 +324,9 @@ def verify_test_packaging(task, taskgraph, scratch_pad, graph_config):
                 else:
                     # Build tasks that aren't in the scratch pad have no
                     # dependent tests, so we shouldn't package tests.
-                    # With the caveat that we expect shippable and nightly jobs to always
+                    # With the caveat that we expect shippable jobs to always
                     # produce tests.
-                    if not build_has_tests and not any([shippable, nightly]):
+                    if not build_has_tests and not shippable:
                         exceptions.append(
                             'Build job {} has no tests, but specifies '
                             'MOZ_AUTOMATION_PACKAGE_TESTS={} in the environment. '