diff --git a/api/v1beta2/bucket_types.go b/api/v1beta2/bucket_types.go
index aa0499731..3a9efa22d 100644
--- a/api/v1beta2/bucket_types.go
+++ b/api/v1beta2/bucket_types.go
@@ -112,8 +112,6 @@ type BucketSpec struct {
 
 	// ProxySecretRef specifies the Secret containing the proxy configuration
 	// to use while communicating with the Bucket server.
-	//
-	// Only supported for the `generic`, `gcp` and `azure` providers.
 	// +optional
 	ProxySecretRef *meta.LocalObjectReference `json:"proxySecretRef,omitempty"`
 
diff --git a/config/crd/bases/source.toolkit.fluxcd.io_buckets.yaml b/config/crd/bases/source.toolkit.fluxcd.io_buckets.yaml
index 73cc94eed..7c79930e9 100644
--- a/config/crd/bases/source.toolkit.fluxcd.io_buckets.yaml
+++ b/config/crd/bases/source.toolkit.fluxcd.io_buckets.yaml
@@ -395,9 +395,6 @@ spec:
                 description: |-
                   ProxySecretRef specifies the Secret containing the proxy configuration
                   to use while communicating with the Bucket server.
-
-
-                  Only supported for the `generic`, `gcp` and `azure` providers.
                 properties:
                   name:
                     description: Name of the referent.
diff --git a/docs/api/v1beta2/source.md b/docs/api/v1beta2/source.md
index fb7ec87c9..f70f6a951 100644
--- a/docs/api/v1beta2/source.md
+++ b/docs/api/v1beta2/source.md
@@ -219,7 +219,6 @@ github.com/fluxcd/pkg/apis/meta.LocalObjectReference
 <em>(Optional)</em>
 <p>ProxySecretRef specifies the Secret containing the proxy configuration
 to use while communicating with the Bucket server.</p>
-<p>Only supported for the <code>generic</code>, <code>gcp</code> and <code>azure</code> providers.</p>
 </td>
 </tr>
 <tr>
@@ -1648,7 +1647,6 @@ github.com/fluxcd/pkg/apis/meta.LocalObjectReference
 <em>(Optional)</em>
 <p>ProxySecretRef specifies the Secret containing the proxy configuration
 to use while communicating with the Bucket server.</p>
-<p>Only supported for the <code>generic</code>, <code>gcp</code> and <code>azure</code> providers.</p>
 </td>
 </tr>
 <tr>
diff --git a/docs/spec/v1beta2/buckets.md b/docs/spec/v1beta2/buckets.md
index df0c5eb80..b84623468 100644
--- a/docs/spec/v1beta2/buckets.md
+++ b/docs/spec/v1beta2/buckets.md
@@ -854,8 +854,6 @@ The Secret can contain three keys:
 - `password`, to specify the password to use if the proxy server is protected by
    basic authentication. This is an optional key.
 
-This API is only supported for the `generic`, `gcp` and `azure` [providers](#provider).
-
 Example:
 
 ```yaml