diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index fe568c15a8..2e8acc8a0d 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -323,11 +323,6 @@ Lint/DuplicateBranch:
     - "/**/{Formula,Casks}/*.rb"
     - "**/{Formula,Casks}/*.rb"
 
-# useful for metaprogramming in RSpec
-Lint/ConstantDefinitionInBlock:
-  Exclude:
-    - "**/*_spec.rb"
-
 # so many of these in formulae and can't be autocorrected
 Lint/ParenthesesAsGroupedExpression:
   Exclude:
diff --git a/Library/Homebrew/test/exceptions_spec.rb b/Library/Homebrew/test/exceptions_spec.rb
index 6c6a39ddc3..ec721ab110 100644
--- a/Library/Homebrew/test/exceptions_spec.rb
+++ b/Library/Homebrew/test/exceptions_spec.rb
@@ -90,11 +90,11 @@ describe "Exception" do
     let(:mod) do
       Module.new do
         # These are defined within an anonymous module to avoid polluting the global namespace.
-        # rubocop:disable RSpec/LeakyConstantDeclaration
+        # rubocop:disable RSpec/LeakyConstantDeclaration,Lint/ConstantDefinitionInBlock
         class Bar < Requirement; end
 
         class Baz < Formula; end
-        # rubocop:enable RSpec/LeakyConstantDeclaration
+        # rubocop:enable RSpec/LeakyConstantDeclaration,Lint/ConstantDefinitionInBlock
       end
     end
 
diff --git a/Library/Homebrew/test/patching_spec.rb b/Library/Homebrew/test/patching_spec.rb
index 830601d1a3..28bb80019d 100644
--- a/Library/Homebrew/test/patching_spec.rb
+++ b/Library/Homebrew/test/patching_spec.rb
@@ -7,7 +7,7 @@ describe "patching" do
   let(:formula_subclass) {
     Class.new(Formula) {
       # These are defined within an anonymous class to avoid polluting the global namespace.
-      # rubocop:disable RSpec/LeakyConstantDeclaration
+      # rubocop:disable RSpec/LeakyConstantDeclaration,Lint/ConstantDefinitionInBlock
       TESTBALL_URL = "file://#{TEST_FIXTURE_DIR}/tarballs/testball-0.1.tbz"
       TESTBALL_PATCHES_URL = "file://#{TEST_FIXTURE_DIR}/tarballs/testball-0.1-patches.tgz"
       PATCH_URL_A = "file://#{TEST_FIXTURE_DIR}/patches/noop-a.diff"
@@ -17,7 +17,7 @@ describe "patching" do
       APPLY_A = "noop-a.diff"
       APPLY_B = "noop-b.diff"
       APPLY_C = "noop-c.diff"
-      # rubocop:enable RSpec/LeakyConstantDeclaration
+      # rubocop:enable RSpec/LeakyConstantDeclaration,Lint/ConstantDefinitionInBlock
 
       url TESTBALL_URL
       sha256 TESTBALL_SHA256