diff --git a/config/routes/group.rb b/config/routes/group.rb
index 702df5b7b5a6159ca0bb449c931f87d8c50f38d5..f4d520a251863b6739f4973467b9c522b8f0ee6a 100644
--- a/config/routes/group.rb
+++ b/config/routes/group.rb
@@ -4,51 +4,51 @@ resources :groups, only: [:index, :new, :create] do
   post :preview_markdown
 end
 
-scope(path: 'groups/*group_id',
-      module: :groups,
-      as: :group,
-      constraints: { group_id: Gitlab::PathRegex.full_namespace_route_regex }) do
-  resources :group_members, only: [:index, :create, :update, :destroy], concerns: :access_requestable do
-    post :resend_invite, on: :member
-    delete :leave, on: :collection
+constraints(GroupUrlConstrainer.new) do
+  scope(path: 'groups/*id',
+        controller: :groups,
+        constraints: { id: Gitlab::PathRegex.full_namespace_route_regex, format: /(html|json|atom)/ }) do
+    get :edit, as: :edit_group
+    get :issues, as: :issues_group
+    get :merge_requests, as: :merge_requests_group
+    get :projects, as: :projects_group
+    get :activity, as: :activity_group
+    get '/', action: :show, as: :group_canonical
   end
 
-  resource :avatar, only: [:destroy]
-  resources :milestones, constraints: { id: /[^\/]+/ }, only: [:index, :show, :edit, :update, :new, :create] do
-    member do
-      get :merge_requests
-      get :participants
-      get :labels
+  scope(path: 'groups/*group_id',
+        module: :groups,
+        as: :group,
+        constraints: { group_id: Gitlab::PathRegex.full_namespace_route_regex }) do
+    resources :group_members, only: [:index, :create, :update, :destroy], concerns: :access_requestable do
+      post :resend_invite, on: :member
+      delete :leave, on: :collection
     end
-  end
 
-  resources :labels, except: [:show] do
-    post :toggle_subscription, on: :member
-  end
+    resource :avatar, only: [:destroy]
+    resources :milestones, constraints: { id: /[^\/]+/ }, only: [:index, :show, :edit, :update, :new, :create] do
+      member do
+        get :merge_requests
+        get :participants
+        get :labels
+      end
+    end
 
-  scope path: '-' do
-    namespace :settings do
-      resource :ci_cd, only: [:show], controller: 'ci_cd'
+    resources :labels, except: [:show] do
+      post :toggle_subscription, on: :member
     end
 
-    resources :variables, only: [:index, :show, :update, :create, :destroy]
+    scope path: '-' do
+      namespace :settings do
+        resource :ci_cd, only: [:show], controller: 'ci_cd'
+      end
 
-    resources :children, only: [:index]
-  end
-end
+      resources :variables, only: [:index, :show, :update, :create, :destroy]
 
-scope(path: 'groups/*id',
-      controller: :groups,
-      constraints: { id: Gitlab::PathRegex.full_namespace_route_regex, format: /(html|json|atom)/ }) do
-  get :edit, as: :edit_group
-  get :issues, as: :issues_group
-  get :merge_requests, as: :merge_requests_group
-  get :projects, as: :projects_group
-  get :activity, as: :activity_group
-  get '/', action: :show, as: :group_canonical
-end
+      resources :children, only: [:index]
+    end
+  end
 
-constraints(GroupUrlConstrainer.new) do
   scope(path: '*id',
         as: :group,
         constraints: { id: Gitlab::PathRegex.full_namespace_route_regex, format: /(html|json|atom)/ },
diff --git a/spec/routing/routing_spec.rb b/spec/routing/routing_spec.rb
index a45839b16f59e5098c93516a432a6948dd5a6920..407d19c3b2a84c8ce39689c9fd6fb6b8a75880d8 100644
--- a/spec/routing/routing_spec.rb
+++ b/spec/routing/routing_spec.rb
@@ -285,17 +285,15 @@ end
 
 describe "Groups", "routing" do
   let(:name) { 'complex.group-namegit' }
-
-  before do
-    allow_any_instance_of(GroupUrlConstrainer).to receive(:matches?).and_return(true)
-  end
+  let!(:group) { create(:group, name: name) }
 
   it "to #show" do
     expect(get("/groups/#{name}")).to route_to('groups#show', id: name)
   end
 
   it "also supports nested groups" do
-    expect(get("/#{name}/#{name}")).to route_to('groups#show', id: "#{name}/#{name}")
+    nested_group = create(:group, parent: group)
+    expect(get("/#{name}/#{nested_group.name}")).to route_to('groups#show', id: "#{name}/#{nested_group.name}")
   end
 
   it "also display group#show on the short path" do
@@ -313,10 +311,6 @@ describe "Groups", "routing" do
   it "to #members" do
     expect(get("/groups/#{name}/group_members")).to route_to('groups/group_members#index', group_id: name)
   end
-
-  it "also display group#show with slash in the path" do
-    expect(get('/group/subgroup')).to route_to('groups#show', id: 'group/subgroup')
-  end
 end
 
 describe HealthCheckController, 'routing' do