diff --git a/spec/controllers/admin/application_controller_spec.rb b/spec/controllers/admin/application_controller_spec.rb
index 7ce1f6778b707af49e1dec5fab7afb58db8cbf10..8e6e20c5a12efa013c93e10e188586328749da8d 100644
--- a/spec/controllers/admin/application_controller_spec.rb
+++ b/spec/controllers/admin/application_controller_spec.rb
@@ -18,7 +18,7 @@ RSpec.describe Admin::OrdersController, type: :controller do
   it "redirect to custom route after destroy" do
     order = create(:order)
 
-    delete :destroy, id: order.to_param
+    delete :destroy, params: { id: order.to_param }
     expect(response).to redirect_to(admin_customers_path)
   end
 
@@ -27,7 +27,7 @@ RSpec.describe Admin::OrdersController, type: :controller do
     order_attributes = build(:order, customer: customer).attributes
     params = order_attributes.except("id", "created_at", "updated_at", "shipped_at")
 
-    post :create, order: params
+    post :create, params: { order: params }
     expect(response).to redirect_to(admin_customer_path(customer))
   end
 
@@ -35,7 +35,7 @@ RSpec.describe Admin::OrdersController, type: :controller do
     order = create(:order)
     order_params = { address_line_one: order.address_line_one }
 
-    put :update, id: order.to_param, order: order_params
+    put :update, params: { id: order.to_param, order: order_params }
     expect(response).to redirect_to(admin_customer_path(order.customer))
   end
 end
diff --git a/spec/controllers/admin/blog/posts_controller_spec.rb b/spec/controllers/admin/blog/posts_controller_spec.rb
index 370fd76200ae91d671a0781f8829214d211ad457..4c02019c0ff18feb3722e4b925f3df2f79d5ae93 100644
--- a/spec/controllers/admin/blog/posts_controller_spec.rb
+++ b/spec/controllers/admin/blog/posts_controller_spec.rb
@@ -11,7 +11,7 @@ describe Admin::Blog::PostsController, type: :controller do
 
     it "passes the search term to the view" do
       locals = capture_view_locals do
-        get :index, search: "foo"
+        get :index, params: { search: "foo" }
       end
 
       expect(locals[:search_term]).to eq("foo")
@@ -29,7 +29,7 @@ describe Admin::Blog::PostsController, type: :controller do
       blog_post = create(:blog_post)
 
       locals = capture_view_locals do
-        get :show, id: blog_post.to_param
+        get :show, params: { id: blog_post.to_param }
       end
 
       page = locals[:page]
@@ -51,7 +51,7 @@ describe Admin::Blog::PostsController, type: :controller do
       blog_post = create(:blog_post)
 
       locals = capture_view_locals do
-        get :edit, id: blog_post.to_param
+        get :edit, params: { id: blog_post.to_param }
       end
 
       page = locals[:page]
@@ -64,12 +64,12 @@ describe Admin::Blog::PostsController, type: :controller do
     context "with valid params" do
       it "creates a new blog post" do
         expect do
-          post :create, blog_post: attributes_for(:blog_post)
+          post :create, params: { blog_post: attributes_for(:blog_post) }
         end.to change(Blog::Post, :count).by(1)
       end
 
       it "redirects to the created blog post" do
-        post :create, blog_post: attributes_for(:blog_post)
+        post :create, params: { blog_post: attributes_for(:blog_post) }
 
         expect(response).to redirect_to([:admin, Blog::Post.last])
       end
@@ -82,7 +82,7 @@ describe Admin::Blog::PostsController, type: :controller do
         invalid_attributes = { title: "" }
 
         locals = capture_view_locals do
-          post :create, blog_post: invalid_attributes
+          post :create, params: { blog_post: invalid_attributes }
         end
 
         page = locals[:page]
@@ -93,7 +93,7 @@ describe Admin::Blog::PostsController, type: :controller do
       it "re-renders the 'new' template" do
         invalid_attributes = { title: "" }
 
-        post :create, blog_post: invalid_attributes
+        post :create, params: { blog_post: invalid_attributes }
 
         expect(page.find("h1")).to have_content "New Blog Post"
       end
@@ -106,7 +106,10 @@ describe Admin::Blog::PostsController, type: :controller do
         blog_post = create(:blog_post, title: "old title")
         new_attributes = { title: "new title" }
 
-        put :update, id: blog_post.to_param, blog_post: new_attributes
+        put(
+          :update,
+          params: { id: blog_post.to_param, blog_post: new_attributes },
+        )
 
         blog_post.reload
         expect(blog_post.title).to eq "new title"
@@ -116,7 +119,10 @@ describe Admin::Blog::PostsController, type: :controller do
         blog_post = create(:blog_post)
         valid_attributes = attributes_for(:blog_post)
 
-        put :update, id: blog_post.to_param, blog_post: valid_attributes
+        put(
+          :update,
+          params: { id: blog_post.to_param, blog_post: valid_attributes },
+        )
         blog_post.reload
 
         expect(response).to redirect_to([:admin, blog_post])
@@ -130,7 +136,13 @@ describe Admin::Blog::PostsController, type: :controller do
         blog_post = create(:blog_post)
         invalid_attributes = { title: "" }
 
-        put :update, id: blog_post.to_param, blog_post: invalid_attributes
+        put(
+          :update,
+          params: {
+            id: blog_post.to_param,
+            blog_post: invalid_attributes,
+          },
+        )
 
         expect(page.find("h1")).to have_content "Edit"
       end
@@ -140,7 +152,13 @@ describe Admin::Blog::PostsController, type: :controller do
         invalid_attributes = { title: "" }
 
         locals = capture_view_locals do
-          put :update, id: blog_post.to_param, blog_post: invalid_attributes
+          put(
+            :update,
+            params: {
+              id: blog_post.to_param,
+              blog_post: invalid_attributes,
+            },
+          )
         end
 
         page = locals[:page]
@@ -155,14 +173,14 @@ describe Admin::Blog::PostsController, type: :controller do
       blog_post = create(:blog_post)
 
       expect do
-        delete :destroy, id: blog_post.to_param
+        delete :destroy, params: { id: blog_post.to_param }
       end.to change(Blog::Post, :count).by(-1)
     end
 
     it "redirects to the blog posts list" do
       blog_post = create(:blog_post)
 
-      delete :destroy, id: blog_post.to_param
+      delete :destroy, params: { id: blog_post.to_param }
 
       expect(response).to redirect_to(admin_blog_posts_path)
     end
diff --git a/spec/controllers/admin/customers_controller_spec.rb b/spec/controllers/admin/customers_controller_spec.rb
index c16c91c89dc45e505d579a6069ac6c1c2250b415..f750f3313cb1004b24aa1b995823e92ecae87a59 100644
--- a/spec/controllers/admin/customers_controller_spec.rb
+++ b/spec/controllers/admin/customers_controller_spec.rb
@@ -19,7 +19,7 @@ describe Admin::CustomersController, type: :controller do
 
     it "passes the search term to the view" do
       locals = capture_view_locals do
-        get :index, search: "foo"
+        get :index, params: { search: "foo" }
       end
 
       expect(locals[:search_term]).to eq("foo")
@@ -73,7 +73,7 @@ describe Admin::CustomersController, type: :controller do
       customer = create(:customer)
 
       locals = capture_view_locals do
-        get :show, id: customer.to_param
+        get :show, params: { id: customer.to_param }
       end
 
       page = locals[:page]
@@ -95,7 +95,7 @@ describe Admin::CustomersController, type: :controller do
       customer = create(:customer)
 
       locals = capture_view_locals do
-        get :edit, id: customer.to_param
+        get :edit, params: { id: customer.to_param }
       end
 
       page = locals[:page]
@@ -108,12 +108,12 @@ describe Admin::CustomersController, type: :controller do
     describe "with valid params" do
       it "creates a new Customer" do
         expect {
-          post :create, customer: attributes_for(:customer)
+          post :create, params: { customer: attributes_for(:customer) }
         }.to change(Customer, :count).by(1)
       end
 
       it "redirects to the created customer" do
-        post :create, customer: attributes_for(:customer)
+        post :create, params: { customer: attributes_for(:customer) }
 
         expect(response).to redirect_to([:admin, Customer.last])
       end
@@ -124,7 +124,7 @@ describe Admin::CustomersController, type: :controller do
         invalid_attributes = { name: "" }
 
         locals = capture_view_locals do
-          post :create, customer: invalid_attributes
+          post :create, params: { customer: invalid_attributes }
         end
 
         page = locals[:page]
@@ -141,7 +141,7 @@ describe Admin::CustomersController, type: :controller do
         new_name = "new name"
         new_attributes = { name: new_name }
 
-        put :update, id: customer.to_param, customer: new_attributes
+        put :update, params: { id: customer.to_param, customer: new_attributes }
 
         customer.reload
         expect(customer.name).to eq new_name
@@ -151,7 +151,10 @@ describe Admin::CustomersController, type: :controller do
         customer = create(:customer)
         valid_attributes = attributes_for(:customer)
 
-        put :update, id: customer.to_param, customer: valid_attributes
+        put(
+          :update,
+          params: { id: customer.to_param, customer: valid_attributes },
+        )
 
         expect(response).to redirect_to([:admin, customer])
       end
@@ -163,7 +166,10 @@ describe Admin::CustomersController, type: :controller do
         invalid_attributes = { name: "" }
 
         locals = capture_view_locals do
-          put :update, id: customer.to_param, customer: invalid_attributes
+          put(
+            :update,
+            params: { id: customer.to_param, customer: invalid_attributes },
+          )
         end
 
         page = locals[:page]
@@ -178,14 +184,14 @@ describe Admin::CustomersController, type: :controller do
       customer = create(:customer)
 
       expect do
-        delete :destroy, id: customer.to_param
+        delete :destroy, params: { id: customer.to_param }
       end.to change(Customer, :count).by(-1)
     end
 
     it "redirects to the customers list" do
       customer = create(:customer)
 
-      delete :destroy, id: customer.to_param
+      delete :destroy, params: { id: customer.to_param }
 
       expect(response).to redirect_to(admin_customers_url)
     end
diff --git a/spec/controllers/admin/log_entries_controller_spec.rb b/spec/controllers/admin/log_entries_controller_spec.rb
index 729fbef47898d2e94e3c8c3ebd61eb3803d15189..fba486fd00e9897c1f231555c8decce945d61da3 100644
--- a/spec/controllers/admin/log_entries_controller_spec.rb
+++ b/spec/controllers/admin/log_entries_controller_spec.rb
@@ -10,7 +10,7 @@ describe Admin::LogEntriesController, type: :controller do
           value: logeable.to_global_id.to_s,
         },
       )
-      post :create, log_entry: resource_params
+      post :create, params: { log_entry: resource_params }
     end
 
     describe "with valid params" do
@@ -62,7 +62,7 @@ describe Admin::LogEntriesController, type: :controller do
 
         LogEntry.attr_accessor :arbitrarily
 
-        post :create, log_entry: resource_params
+        post :create, params: { log_entry: resource_params }
 
         logeable_in_params = subject.send(:resource_params).dig(
           :arbitrarily,
@@ -98,7 +98,7 @@ describe Admin::LogEntriesController, type: :controller do
           value: logeable.to_global_id.to_s,
         },
       )
-      put :update, id: original.to_param, log_entry: resource_params
+      put :update, params: { id: original.to_param, log_entry: resource_params }
     end
 
     describe "with valid params" do
diff --git a/spec/controllers/admin/orders_controller_spec.rb b/spec/controllers/admin/orders_controller_spec.rb
index cb014fd6884967e9cc9bc66eb3e0d2d7f8d902ce..bbc0da2143c4d05a3456973127ad58aeed7780de 100644
--- a/spec/controllers/admin/orders_controller_spec.rb
+++ b/spec/controllers/admin/orders_controller_spec.rb
@@ -34,12 +34,12 @@ describe Admin::OrdersController, type: :controller do
     describe "GET edit" do
       it "allows me to edit records in Arizona" do
         az = create :order, customer: user, address_state: "AZ"
-        expect { get :edit, id: az.id }.not_to raise_error
+        expect { get :edit, params: { id: az.id } }.not_to raise_error
       end
 
       it "does not allow me to edit other records" do
         ga = create :order, customer: user, address_state: "GA"
-        expect { get :edit, id: ga.id }.
+        expect { get :edit, params: { id: ga.id } }.
           to raise_error(Pundit::NotAuthorizedError)
       end
     end
@@ -47,7 +47,7 @@ describe Admin::OrdersController, type: :controller do
     describe "DELETE destroy" do
       it "never allows me to delete a record" do
         o = create :order, customer: user, address_state: "AZ"
-        expect { delete :destroy, id: o.id }.
+        expect { delete :destroy, params: { id: o.id } }.
           to raise_error(Pundit::NotAuthorizedError)
       end
     end
diff --git a/spec/support/controller_helpers.rb b/spec/support/controller_helpers.rb
index b97e9cf631f956c7d0ba76bbfd756b1d6093a031..89bf249940b16b51fdd21a6ee5cf06b00be7d6da 100644
--- a/spec/support/controller_helpers.rb
+++ b/spec/support/controller_helpers.rb
@@ -11,40 +11,4 @@ module ControllerHelpers
     end
     locals
   end
-
-  def use_new_params_syntax?
-    Rails::VERSION::STRING >= "5.2"
-  end
-
-  def get(method, params = {})
-    if use_new_params_syntax?
-      super(method, params: params)
-    else
-      super
-    end
-  end
-
-  def post(method, params = {})
-    if use_new_params_syntax?
-      super(method, params: params)
-    else
-      super
-    end
-  end
-
-  def put(method, params = {})
-    if use_new_params_syntax?
-      super(method, params: params)
-    else
-      super
-    end
-  end
-
-  def delete(method, params = {})
-    if use_new_params_syntax?
-      super(method, params: params)
-    else
-      super
-    end
-  end
 end
diff --git a/spec/support/http_method_shims.rb b/spec/support/http_method_shims.rb
deleted file mode 100644
index 4a0558278bea2e947b042a9b1c0142b88b769efc..0000000000000000000000000000000000000000
--- a/spec/support/http_method_shims.rb
+++ /dev/null
@@ -1,59 +0,0 @@
-module HTTPMethodShim
-  module Rails50
-    def get(path, params = nil, headers = nil)
-      super(path, params: params, headers: headers)
-    end
-
-    def post(path, params = nil, headers = nil)
-      super(path, params: params, headers: headers)
-    end
-
-    def put(path, params = nil, headers = nil)
-      super(path, params: params, headers: headers)
-    end
-
-    def patch(path, params = nil, headers = nil)
-      super(path, params: params, headers: headers)
-    end
-
-    def delete(path, params = nil, headers = nil)
-      super(path, params: params, headers: headers)
-    end
-  end
-
-  module Rails51
-    def get(path, params = nil)
-      super(path, params: params.to_h)
-    end
-
-    def post(path, params = nil)
-      super(path, params: params.to_h)
-    end
-
-    def put(path, params = nil)
-      super(path, params: params.to_h)
-    end
-
-    def patch(path, params = nil)
-      super(path, params: params.to_h)
-    end
-
-    def delete(path, params = nil)
-      super(path, params: params.to_h)
-    end
-  end
-end
-
-if Gem::Dependency.new("rails", "~> 5.1.0").
-    match?("rails", Rails::VERSION::STRING)
-  RSpec.configure do |config|
-    config.include HTTPMethodShim::Rails51, type: :controller
-  end
-end
-
-if Gem::Dependency.new("rails", "~> 5.0.0").
-    match?("rails", Rails::VERSION::STRING)
-  RSpec.configure do |config|
-    config.include HTTPMethodShim::Rails50, type: :controller
-  end
-end