diff --git a/sinatra-contrib/lib/sinatra/namespace.rb b/sinatra-contrib/lib/sinatra/namespace.rb
index 15e14862..ab619295 100644
--- a/sinatra-contrib/lib/sinatra/namespace.rb
+++ b/sinatra-contrib/lib/sinatra/namespace.rb
@@ -183,7 +183,7 @@ module Sinatra
       def namespace_errors
         @errors
       end
-      
+
       def error(*codes, &block)
         args  = Sinatra::Base.send(:compile!, "ERROR", /^#{@pattern}/, block)
         codes = codes.map { |c| Array(c) }.flatten
diff --git a/sinatra-contrib/spec/capture_spec.rb b/sinatra-contrib/spec/capture_spec.rb
index d621d3ef..ecead8f3 100644
--- a/sinatra-contrib/spec/capture_spec.rb
+++ b/sinatra-contrib/spec/capture_spec.rb
@@ -61,13 +61,13 @@ Say
 Hello <%= a.strip %>
 
 @@ simple_slim
-| Say 
+| Say
 - a = capture do
   | World
 | Hello #{a.strip}!
 
 @@ nested_slim
-| Say 
+| Say
 - a = capture do
   - b = capture do
     | World
diff --git a/sinatra-contrib/spec/content_for_spec.rb b/sinatra-contrib/spec/content_for_spec.rb
index b318ac21..ce29b909 100644
--- a/sinatra-contrib/spec/content_for_spec.rb
+++ b/sinatra-contrib/spec/content_for_spec.rb
@@ -138,13 +138,13 @@ describe Sinatra::ContentFor do
           render(inner, :passes_values).should == "<i>1</i>2"
         end
       end
-      
+
       describe "with content_for? in Ruby" do
-        it 'renders block if key is set' do 
+        it 'renders block if key is set' do
           content_for(:foo) { "foot" }
           render(inner, :footer).should == "foot"
         end
-        
+
         it 'does not render a block if different key' do
           content_for(:different_key) { "foot" }
           render(inner, :footer).should be_empty
diff --git a/sinatra-contrib/spec/namespace_spec.rb b/sinatra-contrib/spec/namespace_spec.rb
index 0b5ead4c..98009967 100644
--- a/sinatra-contrib/spec/namespace_spec.rb
+++ b/sinatra-contrib/spec/namespace_spec.rb
@@ -54,7 +54,7 @@ describe Sinatra::Namespace do
           send(verb, "/fox/bar").should be_ok
           body.should == "fox" unless verb == :head
         end
-  
+
         it "sets params correctly from route" do
           namespace("/foo") { send(verb, "/:bar") { params[:bar] }}
           send(verb, "/foo/bar").should be_ok
@@ -89,7 +89,7 @@ describe Sinatra::Namespace do
         it 'allows defining routes without a pattern' do
           namespace(%r{/foo}) { send(verb) { 'bar' } }
           send(verb, '/foo').should be_ok
-          body.should == 'bar' unless verb == :head 
+          body.should == 'bar' unless verb == :head
         end
       end
 
@@ -509,7 +509,7 @@ describe Sinatra::Namespace do
           mock_app {
             class AError < StandardError; end
             class BError < AError; end
-            
+
             error(AError) { body('auth failed');  401}
             namespace('/en') do
               get '/foo' do