diff --git a/Library/Homebrew/formula_auditor.rb b/Library/Homebrew/formula_auditor.rb
index 1bb9c55339..535c61cd81 100644
--- a/Library/Homebrew/formula_auditor.rb
+++ b/Library/Homebrew/formula_auditor.rb
@@ -315,37 +315,37 @@ module Homebrew
 
     def audit_conflicts
       tap = formula.tap
-      formula.conflicts.each do |c|
-        conflicting_formula = Formulary.factory(c.name)
+      formula.conflicts.each do |conflict|
+        conflicting_formula = Formulary.factory(conflict.name)
         next if tap != conflicting_formula.tap
 
         problem "Formula should not conflict with itself" if formula == conflicting_formula
 
-        if tap.formula_renames.key?(c.name) || tap.aliases.include?(c.name)
+        if tap.formula_renames.key?(conflict.name) || tap.aliases.include?(conflict.name)
           problem "Formula conflict should be declared using " \
-                  "canonical name (#{conflicting_formula.name}) instead of #{c.name}"
+                  "canonical name (#{conflicting_formula.name}) instead of #{conflict.name}"
         end
 
-        rev_conflict_found = false
-        conflicting_formula.conflicts.each do |rc|
-          rc_formula = Formulary.factory(rc.name)
-          if tap.formula_renames.key?(rc.name) || tap.aliases.include?(rc.name)
+        reverse_conflict_found = false
+        conflicting_formula.conflicts.each do |reverse_conflict|
+          reverse_conflict_formula = Formulary.factory(reverse_conflict.name)
+          if tap.formula_renames.key?(reverse_conflict.name) || tap.aliases.include?(reverse_conflict.name)
             problem "Formula #{conflicting_formula.name} conflict should be declared using " \
-                    "canonical name (#{rc_formula.name}) instead of #{rc.name}"
+                    "canonical name (#{reverse_conflict_formula.name}) instead of #{reverse_conflict.name}"
           end
 
-          rev_conflict_found ||= rc_formula == formula
+          reverse_conflict_found ||= reverse_conflict_formula == formula
         end
-        unless rev_conflict_found
+        unless reverse_conflict_found
           problem "Formula #{conflicting_formula.name} should also have a conflict declared with #{formula.name}"
         end
       rescue TapFormulaUnavailableError
         # Don't complain about missing cross-tap conflicts.
         next
       rescue FormulaUnavailableError
-        problem "Can't find conflicting formula #{c.name.inspect}."
+        problem "Can't find conflicting formula #{conflict.name.inspect}."
       rescue TapFormulaAmbiguityError, TapFormulaWithOldnameAmbiguityError
-        problem "Ambiguous conflicting formula #{c.name.inspect}."
+        problem "Ambiguous conflicting formula #{conflict.name.inspect}."
       end
     end