diff --git a/Library/Homebrew/test/rubocops/bottle_block_cop_spec.rb b/Library/Homebrew/test/rubocops/bottle_block_cop_spec.rb
index a775b0b175..563f7ad4be 100644
--- a/Library/Homebrew/test/rubocops/bottle_block_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/bottle_block_cop_spec.rb
@@ -18,7 +18,7 @@ describe RuboCop::Cop::FormulaAuditStrict::BottleBlock do
         end
       EOS
 
-      expected_offenses = [{  message: "Use rebuild instead of revision in bottle block",
+      expected_offenses = [{  message: described_class::MSG,
                               severity: :convention,
                               line: 5,
                               column: 4,
diff --git a/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb b/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
index c3175509a9..4fbab6c9ed 100644
--- a/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
@@ -16,11 +16,7 @@ describe RuboCop::Cop::FormulaAudit::Conflicts do
         end
       EOS
 
-      msg = <<-EOS.undent
-            Versioned formulae should not use `conflicts_with`.
-            Use `keg_only :versioned_formula` instead.
-      EOS
-      expected_offenses = [{  message: msg,
+      expected_offenses = [{  message: described_class::MSG,
                               severity: :convention,
                               line: 3,
                               column: 2,