diff --git a/CHANGES.next.md b/CHANGES.next.md
index 6c7b53995..a1d9556a3 100644
--- a/CHANGES.next.md
+++ b/CHANGES.next.md
@@ -90,6 +90,7 @@
 -   Make Ubuntu 24 the default os_type.
 
 ### New features:
+
 -   Add support for TimescaleDB
 -   Add support for Omni
 -   Add support for systems running fedora36 and fedora37
@@ -172,7 +173,7 @@
 -   Add support for multi-network creation/attachment. PKB currently does not
     handle subnet creation on an existing network.
 -   Add support for GCE Confidential VM's.
--   Add cos-dev, cost109, cos105, and cos101 OS support for GCP.
+-   Add cos-dev, cost109, and cos105 OS support for GCP.
 -   Add --object_ttl_days flag for lifecycle management of created buckets.
 -   Add support for multi-NIC netperf throughput on AWS.
 -   Added AWS/GCP support for Data Plane Development Kit (DPDK) on Linux VM's to
@@ -204,8 +205,8 @@
 -   Use Artifact Registry instead of the deprecated Google Container Registry
 -   Add `--capture_vm_logs` flag, which prompts PKB to capture `syslog`,
     `journalctl`, and `sos report` (if supported) logs from Linux test VMs.
--   Add `--vm_log_bucket` flag, offering users the option to upload the
-    logs captured via the `--capture_vm_logs` flag to a GCS bucket.
+-   Add `--vm_log_bucket` flag, offering users the option to upload the logs
+    captured via the `--capture_vm_logs` flag to a GCS bucket.
 -   Add chromium_compile_benchmark.
 -   Add unmanaged_postgresql_sysbench benchmark.
 
diff --git a/perfkitbenchmarker/os_types.py b/perfkitbenchmarker/os_types.py
index 2f2e4c058..e001053a1 100644
--- a/perfkitbenchmarker/os_types.py
+++ b/perfkitbenchmarker/os_types.py
@@ -20,11 +20,10 @@
 AMAZON_NEURON = 'amazon_neuron'
 CENTOS_STREAM9 = 'centos_stream9'
 CLEAR = 'clear'
-COS = 'cos'  # stable
+COS = 'cos'
+COS_DEV = 'cos_dev'
 COS109 = 'cos109'
 COS105 = 'cos105'
-COS101 = 'cos101'
-COS_DEV = 'cos_dev'
 CORE_OS = 'core_os'
 DEBIAN11 = 'debian11'
 DEBIAN11_BACKPORTS = 'debian11_backports'
@@ -89,7 +88,6 @@
     COS,
     COS109,
     COS105,
-    COS101,
     COS_DEV,
 ]
 
diff --git a/perfkitbenchmarker/providers/gcp/gce_virtual_machine.py b/perfkitbenchmarker/providers/gcp/gce_virtual_machine.py
index 1fcc35d16..38c910a3b 100644
--- a/perfkitbenchmarker/providers/gcp/gce_virtual_machine.py
+++ b/perfkitbenchmarker/providers/gcp/gce_virtual_machine.py
@@ -1773,12 +1773,6 @@ class Cos105BasedGceVirtualMachine(BaseCosBasedGceVirtualMachine):
   DEFAULT_ARM_IMAGE_FAMILY = 'cos-arm64-105-lts'
 
 
-class Cos101BasedGceVirtualMachine(BaseCosBasedGceVirtualMachine):
-  OS_TYPE = os_types.COS101
-  DEFAULT_X86_IMAGE_FAMILY = 'cos-101-lts'
-  DEFAULT_ARM_IMAGE_FAMILY = 'cos-arm64-101-lts'
-
-
 class CoreOsBasedGceVirtualMachine(
     BaseLinuxGceVirtualMachine, linux_vm.CoreOsMixin
 ):