diff --git a/docs/ceph-csi-upgrade.md b/docs/ceph-csi-upgrade.md
index 68e675150..4c7b0fc49 100644
--- a/docs/ceph-csi-upgrade.md
+++ b/docs/ceph-csi-upgrade.md
@@ -3,7 +3,6 @@
 - [Ceph-csi Upgrade](#ceph-csi-upgrade)
    - [Pre-upgrade considerations](#pre-upgrade-considerations)
       - [Snapshot-controller and snapshot crd](#snapshot-controller-and-snapshot-crd)
-         - [Snapshot API version support matrix](#snapshot-api-version-support-matrix)
    - [Upgrading from previous releases](#upgrading-from-previous-releases)
    - [Upgrading from v3.8 to v3.9](#upgrading-from-v38-to-v39)
       - [Upgrading CephFS](#upgrading-cephfs)
@@ -61,13 +60,6 @@ Its kubernetes distributor responsibility to install new snapshot
 controller and snapshot CRD. more info can be found
 [here](https://github.com/kubernetes-csi/external-snapshotter/tree/master#usage)
 
-#### Snapshot API version support matrix
-
-| Snapshot API version | Kubernetes Version   | Snapshot-Controller + CRDs Version | Sidecar Version |
-| -------------------- | -------------------- | ---------------------------------- | --------------- |
-| v1beta1              | v1.17 =< k8s < v1.20 | v2.x =< snapshot-controller < v4.x | sidecar >= v2.x |
-| v1                   | k8s >= v1.20         | snapshot-controller >= v4.x        | sidecar >= v2.x |
-
 **Note:** We recommend to use {sidecar, controller, crds} of same version
 
 ## Upgrading from previous releases