diff --git a/config/feature_flags/development/api_redirect_moved_projects.yml b/config/feature_flags/development/api_redirect_moved_projects.yml
deleted file mode 100644
index 56c01d3862b0d3cc4ff87a75616185d03329a4c6..0000000000000000000000000000000000000000
--- a/config/feature_flags/development/api_redirect_moved_projects.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: api_redirect_moved_projects
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/128642
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/421992
-milestone: '16.3'
-type: development
-group: group::source code
-default_enabled: false
diff --git a/doc/api/rest/index.md b/doc/api/rest/index.md
index fd98952185b93e7c011c3ef6e27a4157c262f9a2..be878ca2bcf908525876c162eb51b5c778ac8b47 100644
--- a/doc/api/rest/index.md
+++ b/doc/api/rest/index.md
@@ -347,12 +347,8 @@ The following table shows the possible return codes for API requests.
 
 ## Redirects
 
-> Introduced in GitLab 16.4 [with a flag](../../user/feature_flags.md) named `api_redirect_moved_projects`. Disabled by default.
-
-FLAG:
-On GitLab.com, this feature is not available.
-On self-managed GitLab, by default this feature is not available. To make it available,
-an administrator can [enable the feature flag](../../user/feature_flags.md) named `api_redirect_moved_projects`.
+> - Introduced in GitLab 16.4 [with a flag](../../user/feature_flags.md) named `api_redirect_moved_projects`. Disabled by default.
+> - [Generally available](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137578) in GitLab 16.7. Feature flag `api_redirect_moved_projects` removed.
 
 REST API can respond with a redirect and users should be able to handle such responses.
 The users should follow the redirect and repeat the request to the URI specified in the `Location` header.
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index bb94d5d14d07b844ad810727e9f918eff3c8bf7c..7c57666b843919069175f918067ce2b364549b67 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -146,7 +146,7 @@ def find_project(id)
       if id.is_a?(Integer) || id =~ INTEGER_ID_REGEX
         projects.find_by(id: id)
       elsif id.include?("/")
-        projects.find_by_full_path(id, follow_redirects: Feature.enabled?(:api_redirect_moved_projects))
+        projects.find_by_full_path(id, follow_redirects: true)
       end
     end
     # rubocop: enable CodeReuse/ActiveRecord
@@ -905,7 +905,6 @@ def sanitize_id_param(id)
     end
 
     def project_moved?(id, project)
-      return false unless Feature.enabled?(:api_redirect_moved_projects)
       return false unless id.is_a?(String) && id.include?('/')
       return false if project.blank? || project.full_path.casecmp?(id)
       return false unless params[:id] == id
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index e9319d514aab58d09459ff7058b845dbe9f9b22e..364c5720346ccf2971ffb2a5bba1f25169f12632 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -2852,16 +2852,6 @@ def failure_message(diff)
             expect(response).to have_gitlab_http_status(:not_found)
           end
         end
-
-        context 'when api_redirect_moved_projects is disabled' do
-          it 'returns a 404 error' do
-            stub_feature_flags(api_redirect_moved_projects: false)
-
-            perform_request
-
-            expect(response).to have_gitlab_http_status(:not_found)
-          end
-        end
       end
 
       it 'returns a 404 error if not found' do