diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index d93d1bd8b4..f43fbe54c0 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -3,6 +3,7 @@ AllCops:
   Exclude:
     - '**/Casks/**/*'
     - '**/vendor/**/*'
+  DisplayCopNames: false
 
 require: ./Homebrew/rubocops.rb
 
diff --git a/Library/Homebrew/test/cmd/style_spec.rb b/Library/Homebrew/test/cmd/style_spec.rb
index 61faa4af2a..5c118f32ec 100644
--- a/Library/Homebrew/test/cmd/style_spec.rb
+++ b/Library/Homebrew/test/cmd/style_spec.rb
@@ -28,7 +28,7 @@ describe "brew style" do
       rubocop_result = Homebrew.check_style_json([formula])
 
       expect(rubocop_result.file_offenses(formula.realpath.to_s).map(&:message))
-        .to include("Layout/EmptyLinesAroundClassBody: Extra empty line detected at class body beginning.")
+        .to include("Extra empty line detected at class body beginning.")
     end
   end
 end