diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -874,22 +874,6 @@
                         "-DCMAKE_CXX_FLAGS='-march=cascadelake'",
                         "-DLLVM_TARGETS_TO_BUILD='X86'"])},
 
-    {'name' : "llvm-avr-linux",
-    'tags'  : ["clang"],
-    'workernames' : ["avr-build-01"],
-    'builddir': "llvm-avr-linux",
-    'factory' : ClangBuilder.getClangCMakeBuildFactory(
-                    jobs=8,
-                    clean=False,
-                    checkout_lld=False,
-                    enable_runtimes=None,
-                    extra_cmake_args=[
-                        '-DLLVM_ENABLE_ASSERTIONS=ON',
-                        # We need to compile the X86 backend due to a few generic CodeGen tests.
-                        '-DLLVM_TARGETS_TO_BUILD=X86',
-                        '-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR',
-                        '-DBUILD_SHARED_LIBS=ON'])},
-
     {'name' : "clang-xcore-ubuntu-20-x64",
     'tags'  : ["clang"],
     'workernames' : ["xcore-ubuntu20-x64"],
diff --git a/buildbot/osuosl/master/config/status.py b/buildbot/osuosl/master/config/status.py
--- a/buildbot/osuosl/master/config/status.py
+++ b/buildbot/osuosl/master/config/status.py
@@ -89,13 +89,6 @@
         subject = "Build %(builder)s Failure",
         mode = "failing",
         builders = ["clang-x86_64-linux-abi-test"]),
-    reporters.MailNotifier(
-        fromaddr = "llvm.buildmaster@lab.llvm.org",
-        sendToInterestedUsers = False,
-        extraRecipients = ["me@dylanmckay.io"],
-        subject = "Build %(builder)s Failure",
-        mode = "failing",
-        builders = ["llvm-avr-linux"]),
     reporters.MailNotifier(
         fromaddr = "llvm.buildmaster@lab.llvm.org",
         sendToInterestedUsers = False,
diff --git a/buildbot/osuosl/master/config/workers.py b/buildbot/osuosl/master/config/workers.py
--- a/buildbot/osuosl/master/config/workers.py
+++ b/buildbot/osuosl/master/config/workers.py
@@ -102,9 +102,6 @@
         create_worker("hexagon-build-03", properties={'jobs': 16, 'loadaverage':32},
             max_builds=1),
 
-        # Ubuntu x86-64
-        create_worker("avr-build-01", properties={'jobs': 10}, max_builds=1),
-
         # Debian Jessie x86-64 GCE instance.
         create_worker("gribozavr3", properties={'jobs': 1}, max_builds=2),