diff --git a/lib/fakefs/dir.rb b/lib/fakefs/dir.rb
index 2944894..c5ac3ea 100644
--- a/lib/fakefs/dir.rb
+++ b/lib/fakefs/dir.rb
@@ -51,7 +51,7 @@ module FakeFS
       @pointer = integer
       @contents[integer]
     end
-   
+
     def self.[](pattern)
       glob(pattern)
     end
@@ -66,7 +66,7 @@ module FakeFS
 
     def self.delete(string)
       raise SystemCallError, "No such file or directory - #{string}" unless FileSystem.find(string).values.empty?
-      FileSystem.delete(string) 
+      FileSystem.delete(string)
     end
 
     def self.entries(dirname)
@@ -77,7 +77,7 @@ module FakeFS
     def self.foreach(dirname, &block)
       Dir.open(dirname) { |file| yield file }
     end
-    
+
     def self.glob(pattern)
       [FileSystem.find(pattern) || []].flatten.map{|e| e.to_s}.sort
     end
diff --git a/lib/fakefs/file_system.rb b/lib/fakefs/file_system.rb
index be7d53a..f24a50b 100644
--- a/lib/fakefs/file_system.rb
+++ b/lib/fakefs/file_system.rb
@@ -22,9 +22,9 @@ module FakeFS
     def find(path)
       parts = path_parts(normalize_path(path))
       return fs if parts.empty? # '/'
-      
+
       entries = find_recurser(fs, parts).flatten
-      
+
       case entries.length
       when 0 then nil
       when 1 then entries.first
@@ -113,6 +113,6 @@ module FakeFS
       else
         matches.map{|entry| find_recurser(entry, parts) }
       end
-    end    
+    end
   end
 end
diff --git a/lib/fakefs/fileutils.rb b/lib/fakefs/fileutils.rb
index fd75a20..b1532b5 100644
--- a/lib/fakefs/fileutils.rb
+++ b/lib/fakefs/fileutils.rb
@@ -21,7 +21,7 @@ module FakeFS
     def rm(path)
       FileSystem.delete(path)
     end
-    
+
     alias_method :rm_rf, :rm
     alias_method :rm_r, :rm