diff --git a/mmv1/products/secretmanager/SecretVersion.yaml b/mmv1/products/secretmanager/SecretVersion.yaml
index 0161b2e6d0d3..9db3d9e31bcb 100644
--- a/mmv1/products/secretmanager/SecretVersion.yaml
+++ b/mmv1/products/secretmanager/SecretVersion.yaml
@@ -20,6 +20,7 @@ delete_url: '{{name}}:destroy'
 delete_verb: :POST
 description: |
   A secret version resource.
+# Sweeper skipped as this resource has customized deletion.
 skip_sweeper: true
 examples:
   - !ruby/object:Provider::Terraform::Examples
diff --git a/mmv1/products/spanner/Database.yaml b/mmv1/products/spanner/Database.yaml
index 9feb815c7cb9..ea33c9ad211c 100644
--- a/mmv1/products/spanner/Database.yaml
+++ b/mmv1/products/spanner/Database.yaml
@@ -41,6 +41,7 @@ async: !ruby/object:Api::OpAsync
     path: 'error'
     message: 'message'
 autogen_async: true
+# Sweeper skipped as this resource has customized deletion.
 skip_sweeper: true
 id_format: '{{instance}}/{{name}}'
 import_format:
diff --git a/mmv1/products/sql/Database.yaml b/mmv1/products/sql/Database.yaml
index 1c6c56a9ed14..eca5f0a5c533 100644
--- a/mmv1/products/sql/Database.yaml
+++ b/mmv1/products/sql/Database.yaml
@@ -30,6 +30,7 @@ import_format:
     '{{instance}}/{{name}}',
     '{{name}}',
   ]
+# Sweeper skipped as this resource has customized deletion.
 skip_sweeper: true
 examples:
   - !ruby/object:Provider::Terraform::Examples