diff --git a/master/custom/builders.py b/master/custom/builders.py
index 50acf533..9e0d5f04 100644
--- a/master/custom/builders.py
+++ b/master/custom/builders.py
@@ -219,8 +219,6 @@
     ("AMD64 Fedora Rawhide LTO", "cstratak-fedora-rawhide-x86_64", LTONonDebugUnixBuild),
     ("AMD64 Fedora Rawhide LTO + PGO", "cstratak-fedora-rawhide-x86_64", LTOPGONonDebugBuild),
 
-    ("AMD64 Ubuntu", "skumaran-ubuntu-x86_64", UnixBuild),
-
     ("AMD64 Arch Linux VintageParser", "pablogsal-arch-x86_64", UnixVintageParserBuild),
 
     ("AMD64 RHEL8 FIPS No Builtin Hashes", "cstratak-RHEL8-fips-x86_64", RHEL8NoBuiltinHashesUnixBuild),
diff --git a/master/custom/workers.py b/master/custom/workers.py
index f4286da7..73de7ab2 100644
--- a/master/custom/workers.py
+++ b/master/custom/workers.py
@@ -203,10 +203,6 @@ def get_workers(settings):
             tags=['macOS', 'unix', 'arm', 'arm64'],
             parallel_tests=4,
         ),
-        cpw(
-            name="skumaran-ubuntu-x86_64",
-            tags=['linux', 'unix', 'ubuntu', 'amd64', 'x86-64'],
-        ),
         cpw(
             name="ware-alpine",
             tags=['linux', 'unix', 'alpine', 'docker', 'amd64', 'x86-64'],