diff --git a/lib/bundler/checksum.rb b/lib/bundler/checksum.rb
index 60ba93417c..46befe5356 100644
--- a/lib/bundler/checksum.rb
+++ b/lib/bundler/checksum.rb
@@ -126,7 +126,7 @@ module Bundler
       end
 
       def removable?
-        type == :lock || type == :gem
+        [:lock, :gem].include?(type)
       end
 
       def ==(other)
diff --git a/lib/rubygems/local_remote_options.rb b/lib/rubygems/local_remote_options.rb
index 51a61213a5..3b88c43149 100644
--- a/lib/rubygems/local_remote_options.rb
+++ b/lib/rubygems/local_remote_options.rb
@@ -134,13 +134,13 @@ module Gem::LocalRemoteOptions
   # Is local fetching enabled?
 
   def local?
-    options[:domain] == :local || options[:domain] == :both
+    [:local, :both].include?(options[:domain])
   end
 
   ##
   # Is remote fetching enabled?
 
   def remote?
-    options[:domain] == :remote || options[:domain] == :both
+    [:remote, :both].include?(options[:domain])
   end
 end
diff --git a/spec/bundler/support/builders.rb b/spec/bundler/support/builders.rb
index e375aeee33..ca2b7b7067 100644
--- a/spec/bundler/support/builders.rb
+++ b/spec/bundler/support/builders.rb
@@ -632,7 +632,7 @@ module Spec
         destination = opts[:path] || _default_path
         FileUtils.mkdir_p(lib_path.join(destination))
 
-        if opts[:gemspec] == :yaml || opts[:gemspec] == false
+        if [:yaml, false].include?(opts[:gemspec])
           Dir.chdir(lib_path) do
             Bundler.rubygems.build(@spec, opts[:skip_validation])
           end