--- a/mozilla-tests/config.py
+++ b/mozilla-tests/config.py
@@ -3317,55 +3317,16 @@ for branch_name in ('try',):
                 if slave_platform == 'ubuntu64_vm':
                     continue
                 branch['platforms'][platform][slave_platform]['debug_unittest_suites'] += \
                     MOCHITEST_GPU + MOCHITEST_CLIPBOARD
                 branch['platforms'][platform][slave_platform]['debug_unittest_suites'] += \
                     MOCHITEST_GPU_E10S + MOCHITEST_CLIPBOARD_E10S
 
 
-### Test suites that only run on Cedar ###
-# Turn off most suites on cedar (bug 1198400)
-for platform in PLATFORMS.keys():
-    if platform not in BRANCHES['cedar']['platforms']:
-        continue
-    for slave_platform in PLATFORMS[platform]['slave_platforms']:
-        if slave_platform in BRANCHES['cedar']['platforms'][platform]:
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] = []
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['debug_unittest_suites'] = []
-
-BRANCHES['cedar']['platforms']['linux64-asan']['ubuntu64-asan_vm']['opt_unittest_suites'] += MARIONETTE
-
-# Enable mozbase unit tests (bug 971687)
-for platform in PLATFORMS.keys():
-    if platform not in BRANCHES['cedar']['platforms']:
-        continue
-    for slave_platform in PLATFORMS[platform]['slave_platforms']:
-        if slave_platform in BRANCHES['cedar']['platforms'][platform]:
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] += MOZBASE
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['debug_unittest_suites'] += MOZBASE
-
-# Enable web-platform-tests on cedar
-for platform in PLATFORMS.keys():
-    if platform not in BRANCHES['cedar']['platforms']:
-        continue
-
-    for slave_platform in PLATFORMS[platform]['slave_platforms']:
-        if slave_platform not in BRANCHES['cedar']['platforms'][platform]:
-            continue
-
-        if platform in ('linux64-asan',):
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] += WEB_PLATFORM_REFTESTS
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] += WEB_PLATFORM_TESTS_CHUNKED
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['debug_unittest_suites'] += WEB_PLATFORM_TESTS_CHUNKED_MORE + WEB_PLATFORM_REFTESTS
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] += WEB_PLATFORM_REFTESTS_E10S
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['opt_unittest_suites'] += WEB_PLATFORM_TESTS_CHUNKED_E10S
-            BRANCHES['cedar']['platforms'][platform][slave_platform]['debug_unittest_suites'] += WEB_PLATFORM_TESTS_CHUNKED_MORE_E10S + WEB_PLATFORM_REFTESTS_E10S
-
-
 ### Test suites that only run on Try ###
 
 # Enable linux64-cc, linux64-tsan, and win10 on Try only
 delete_slave_platform(BRANCHES, PLATFORMS, {'win64': 'win10_64'}, branch_exclusions=["try"])
 
 
 ride_trains_branches = []
 for name, branch in items_at_least(BRANCHES, 'gecko_version', 46):

--- a/mozilla-tests/mobile_config.py
+++ b/mozilla-tests/mobile_config.py
@@ -2879,20 +2879,16 @@ BRANCHES['mozilla-aurora']['pgo_platform
 
 ######## try
 BRANCHES['try']['repo_path'] = "try"
 BRANCHES['try']['platforms']['android-api-15']['enable_debug_unittests'] = True
 BRANCHES['try']['pgo_strategy'] = 'try'
 BRANCHES['try']['pgo_platforms'] = []
 BRANCHES['try']['enable_try'] = True
 
-######## cedar
-# Until we green out these Android x86 tests
-BRANCHES['cedar']['platforms']['android-x86']['ubuntu64_hw']['opt_unittest_suites'] = ANDROID_X86_NOT_GREEN_DICT[:]
-
 #split 2.3 tests to ones that can run on ix and AWS
 for suite in ANDROID_2_3_MOZHARNESS_DICT:
     if suite[0].startswith('plain-reftest'):
         ANDROID_2_3_C3_DICT['opt_unittest_suites'].append(suite)
     elif suite[0].startswith('crashtest'):
         ANDROID_2_3_C3_DICT['opt_unittest_suites'].append(suite)
     elif suite[0].startswith('jsreftest'):
         ANDROID_2_3_C3_DICT['opt_unittest_suites'].append(suite)

--- a/mozilla/b2g_config.py
+++ b/mozilla/b2g_config.py
@@ -744,22 +744,16 @@ for branch in BRANCHES.keys():
     if branch in ACTIVE_PROJECT_BRANCHES:
         for key, value in PROJECT_BRANCHES[branch].items():
             if key == 'platforms':
                 for platform, platform_config in value.items():
                     if platform_config.get('dont_build'):
                         del BRANCHES[branch]['platforms'][platform]
 
 
-######## remove most B2G builds from cedar
-for platform in ('nexus-4', 'nexus-4_eng', 'nexus-5-l', 'nexus-5-l_eng',
-                 'flame-kk', 'flame-kk_eng', 'flame-kk_eng-debug'):
-    if platform in BRANCHES['cedar']['platforms']:
-        del BRANCHES['cedar']['platforms'][platform]
-
 # bug 1222209 - Remove nexus-4 builds from pine
 for platform in ('nexus-4', 'nexus-4_eng'):
     if platform in BRANCHES['pine']['platforms']:
         del BRANCHES['pine']['platforms'][platform]
 
 ######## mozilla-central
 # This is a path, relative to HGURL, where the repository is located
 # HGURL + repo_path should be a valid repository

--- a/mozilla/b2g_project_branches.py
+++ b/mozilla/b2g_project_branches.py
@@ -64,19 +64,18 @@ PROJECT_BRANCHES = {
             },
             'emulator-kk-debug': {
                 'enable_nightly': True,
             },
         },
     },
     # Not needed on Birch at the moment, bug 977420.
     #'birch': {},
-    'cedar': {
-        'mozharness_tag': 'default',
-    },
+    #Not needed on Cedar at the moment, bug 1272005
+    #'cedar': {},
     'cypress': {
         'lock_platforms': True,
         'platforms': {
             # Limit B2G to none for Bug 787208
         },
     },
     # B2G builds not required on date
     # 'date': {},

--- a/mozilla/project_branches.py
+++ b/mozilla/project_branches.py
@@ -57,30 +57,17 @@ PROJECT_BRANCHES = {
             },
             'win32': {},
             'win32-debug': {},
             'win64': {},
             'win64-debug': {},
         },
     },
     #'birch': {},  # Bug 1010674
-    'cedar': {
-        'enable_perproduct_builds': False,
-        'mozharness_tag': 'default',
-        'enable_talos': True,
-        'talos_suites': {
-            'xperf': 1,
-        },
-        'enable_opt_unittests': True,
-        'mobile_platforms': {
-            'android-x86': {
-                'enable_opt_unittests': True,
-            },
-        },
-    },
+    #'cedar': {},  # Bug 1272005
     'cypress': {
         'lock_platforms': True,
         'platforms': {
             # Limit Firefox to none for Bug 787208
         },
     },
     'date': {
         'desktop_mozharness_builds_enabled': True,