diff --git a/lib/oga/xml/entities.rb b/lib/oga/xml/entities.rb
index 66a5615..eaea9d6 100644
--- a/lib/oga/xml/entities.rb
+++ b/lib/oga/xml/entities.rb
@@ -28,8 +28,6 @@ module Oga
       #
       ENCODE_MAPPING = {
         '&' => '&',
-        '"' => '"',
-        "'" => ''',
         '>' => '>',
         '<' => '&lt;',
       }
diff --git a/spec/oga/xml/entities_spec.rb b/spec/oga/xml/entities_spec.rb
index 11161a1..f3bdb39 100644
--- a/spec/oga/xml/entities_spec.rb
+++ b/spec/oga/xml/entities_spec.rb
@@ -80,12 +80,12 @@ describe Oga::XML::Entities do
       described_class.encode('&').should == '&amp;'
     end
 
-    it 'encodes " as &quot;' do
-      described_class.encode('"').should == '&quot;'
+    it 'does not encode double quotes' do
+      described_class.encode('"').should == '"'
     end
 
-    it "encodes ' as &apos;" do
-      described_class.encode("'").should == '&apos;'
+    it 'does not encode single quotes' do
+      described_class.encode("'").should == "'"
     end
 
     it 'encodes < as &lt;' do