diff --git a/.toys/generate-updates.rb b/.toys/generate-updates.rb
index 5c97e8cf76c..f7950a283ad 100644
--- a/.toys/generate-updates.rb
+++ b/.toys/generate-updates.rb
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 require "uri"
+require "psych"
 
 desc "Run standard Google client generation."
 
@@ -75,17 +76,31 @@ def run
 end
 
 def list_apis_versions
-  return requested.map { |request| request.split(":") } unless all
+  excluded = excluded_apis
+  
+  return requested.map { |request| request.split(":") }.reject do |(name, version)|
+    excluded.include?("#{name}.#{version}") || excluded.include?("#{name}:#{version}")
+  end unless all
+
   path = git_cache.find("https://github.com/googleapis/discovery-artifact-manager.git",
                         path: "discoveries/index.json", update: true)
   apis_versions = []
-  JSON.parse(File.read path)["items"].each do |item|
+  JSON.parse(File.read(path))["items"].each do |item|
+    next if excluded.include?("#{item['name']}.#{item['version']}") || excluded.include?("#{item['name']}:#{item['version']}")
     next unless item["preferred"] || gem_exists?(item)
     apis_versions << [item["name"], item["version"]]
   end
   apis_versions.shuffle
 end
 
+def excluded_apis
+  config_path = "#{context_directory}/api_list_config.yaml"
+  return [] unless File.file?(config_path)
+  Psych.load_file(config_path)["exclude"] || []
+rescue StandardError
+  []
+end
+
 def gem_exists? item
   name = item["name"]
   version = item["version"]
diff --git a/api_list_config.yaml b/api_list_config.yaml
index de4986c0614..09d985b46d0 100644
--- a/api_list_config.yaml
+++ b/api_list_config.yaml
@@ -5,5 +5,8 @@ include:
   - name: youtubePartner
     version: v1
     discovery_rest_url: https://content.googleapis.com/discovery/v1/apis/youtubePartner/v1/rest
-exclude: []
+exclude:
+  - discoveryengine.v1
+  - discoveryengine.v1alpha
+  - discoveryengine.v1beta
 pause: []