diff --git a/src/aks-preview/HISTORY.rst b/src/aks-preview/HISTORY.rst
index 0c75abb3846..b8d168f5976 100644
--- a/src/aks-preview/HISTORY.rst
+++ b/src/aks-preview/HISTORY.rst
@@ -12,9 +12,13 @@ To release a new version, please select a new version number (usually plus 1 to
 Pending
 +++++++
 
+7.0.0b1
+++++++++
+* [BREAKING CHANGE]: Remove support for `az aks get-os-options` command.
+
 6.0.0b1
 ++++++++
-* Remove support for `az aks mesh` egress gateway commands.
+* [BREAKING CHANGE]: Remove support for `az aks mesh` egress gateway commands.
 * Add validation to `az aks create` and `az aks update` while modifying the `--ephemeral-disk-volume-type` and `--ephemeral-disk-nvme-perf-tier` values.
 
 5.0.0b4
diff --git a/src/aks-preview/azext_aks_preview/_help.py b/src/aks-preview/azext_aks_preview/_help.py
index 4d9bc20ad32..b314622a35e 100644
--- a/src/aks-preview/azext_aks_preview/_help.py
+++ b/src/aks-preview/azext_aks_preview/_help.py
@@ -2519,15 +2519,6 @@
     crafted: true
 """
 
-helps['aks get-os-options'] = """
-type: command
-short-summary: Get the OS options available for creating a managed Kubernetes cluster.
-examples:
-  - name: Get the OS options available for creating a managed Kubernetes cluster
-    text: az aks get-os-options --location westus2
-    crafted: true
-"""
-
 helps['aks get-credentials'] = """
 type: command
 short-summary: Get access credentials for a managed Kubernetes cluster.
diff --git a/src/aks-preview/azext_aks_preview/commands.py b/src/aks-preview/azext_aks_preview/commands.py
index d7f396c9950..2ff18cea0fe 100644
--- a/src/aks-preview/azext_aks_preview/commands.py
+++ b/src/aks-preview/azext_aks_preview/commands.py
@@ -180,7 +180,6 @@ def load_command_table(self, _):
         # aks-preview only
         g.custom_command("kollect", "aks_kollect")
         g.custom_command("kanalyze", "aks_kanalyze")
-        g.custom_command("get-os-options", "aks_get_os_options")
         g.custom_command(
             "operation-abort", "aks_operation_abort", supports_no_wait=True
         )
diff --git a/src/aks-preview/azext_aks_preview/custom.py b/src/aks-preview/azext_aks_preview/custom.py
index 0f362a0e2ff..7804705ab74 100644
--- a/src/aks-preview/azext_aks_preview/custom.py
+++ b/src/aks-preview/azext_aks_preview/custom.py
@@ -2524,10 +2524,6 @@ def aks_get_versions(cmd, client, location):    # pylint: disable=unused-argumen
     return client.list_kubernetes_versions(location)
 
 
-def aks_get_os_options(cmd, client, location):    # pylint: disable=unused-argument
-    return client.get_os_options(location, resource_type='managedClusters')
-
-
 def get_aks_custom_headers(aks_custom_headers=None):
     headers = {}
     if aks_custom_headers is not None:
diff --git a/src/aks-preview/setup.py b/src/aks-preview/setup.py
index 7657c29d321..9ff8c480cb7 100644
--- a/src/aks-preview/setup.py
+++ b/src/aks-preview/setup.py
@@ -9,7 +9,7 @@
 
 from setuptools import setup, find_packages
 
-VERSION = "6.0.0b1"
+VERSION = "7.0.0b1"
 
 CLASSIFIERS = [
     "Development Status :: 4 - Beta",