3 files changed, 3 insertions, 6 deletions
diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index f880db36b..b391bc0e3 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -118,8 +118,6 @@ class FormulaAuditor
   end
 
   def audit_deps
-    problems = []
-
     # Don't depend_on aliases; use full name
     aliases = Formula.aliases
     f.deps.select { |d| aliases.include? d.name }.each do |d|
@@ -163,8 +161,8 @@ class FormulaAuditor
   def audit_conflicts
     f.conflicts.each do |req|
       begin
-        conflict_f = Formula.factory req.formula
-      rescue
+        Formula.factory req.formula
+      rescue FormulaUnavailableError
         problem "Can't find conflicting formula \"#{req.formula}\"."
       end
     end
diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index 490065606..86607b2e2 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -11,7 +11,7 @@ module Homebrew extend self
         HOMEBREW_CELLAR.children.each do |rack|
           begin
             cleanup_formula rack.basename.to_s if rack.directory?
-          rescue FormulaUnavailableError => e
+          rescue FormulaUnavailableError
             # Don't complain about Cellar folders that are from DIY installs
             # instead of core formulae.
           end
diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index db8d8d79c..838351e68 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -25,7 +25,6 @@ module Homebrew extend self
     master_updater.pull!
     report.merge!(master_updater.report)
 
-    new_files = []
     Dir["Library/Taps/*"].each do |tapd|
       next unless File.directory?(tapd)