diff --git a/spec/epp/session_spec.rb b/spec/epp/session_spec.rb
index cdc36d2ee..b8a0d6c21 100644
--- a/spec/epp/session_spec.rb
+++ b/spec/epp/session_spec.rb
@@ -24,7 +24,7 @@ describe 'EPP Session', epp: true do
 
     it 'does not log in with invalid user' do
       wrong_user = @epp_xml.session.login(clID: { value: 'wrong-user' }, pw: { value: 'ghyt9e4fu' })
-      response = epp_plain_request(wrong_user, :xml)
+      response = epp_plain_request(wrong_user)
       response[:msg].should == 'Authentication error; server closing connection'
       response[:result_code].should == '2501'
       response[:clTRID].should == 'ABC-12345'
@@ -35,14 +35,14 @@ describe 'EPP Session', epp: true do
       Fabricate(:api_user, username: 'inactive-user', active: false, registrar: @registrar)
 
       inactive = @epp_xml.session.login(clID: { value: 'inactive-user' }, pw: { value: 'ghyt9e4fu' })
-      response = epp_plain_request(inactive, :xml)
+      response = epp_plain_request(inactive)
       response[:msg].should == 'Authentication error; server closing connection'
       response[:result_code].should == '2501'
     end
 
     it 'prohibits further actions unless logged in' do
       @xsd = Nokogiri::XML::Schema(File.read('doc/schemas/domain-1.0.xsd'))
-      response = epp_plain_request(@epp_xml.domain.info(name: { value: 'test.ee' }), :xml)
+      response = epp_plain_request(@epp_xml.domain.info(name: { value: 'test.ee' }))
       response[:msg].should == 'You need to login first.'
       response[:result_code].should == '2002'
       response[:clTRID].should == 'ABC-12345'
@@ -51,13 +51,13 @@ describe 'EPP Session', epp: true do
     it 'should not have clTRID in response if client does not send it' do
       epp_xml_no_cltrid = EppXml.new(cl_trid: false)
       wrong_user = epp_xml_no_cltrid.session.login(clID: { value: 'wrong-user' }, pw: { value: 'ghyt9e4fu' })
-      response = epp_plain_request(wrong_user, :xml)
+      response = epp_plain_request(wrong_user)
       response[:clTRID].should be_nil
     end
 
     context 'with valid user' do
       it 'logs in epp user' do
-        response = epp_plain_request(@login_xml_cache, :xml)
+        response = epp_plain_request(@login_xml_cache)
         response[:msg].should == 'Command completed successfully'
         response[:result_code].should == '1000'
         response[:clTRID].should == 'ABC-12345'
@@ -69,12 +69,12 @@ describe 'EPP Session', epp: true do
       end
 
       it 'does not log in twice' do
-        response = epp_plain_request(@login_xml_cache, :xml)
+        response = epp_plain_request(@login_xml_cache)
         response[:msg].should == 'Command completed successfully'
         response[:result_code].should == '1000'
         response[:clTRID].should == 'ABC-12345'
 
-        response = epp_plain_request(@login_xml_cache, :xml)
+        response = epp_plain_request(@login_xml_cache)
         response[:msg].should match(/Already logged in. Use/)
         response[:result_code].should == '2002'
 
@@ -86,10 +86,10 @@ describe 'EPP Session', epp: true do
 
       it 'logs out epp user' do
         c = EppSession.count
-        epp_plain_request(@login_xml_cache, :xml)
+        epp_plain_request(@login_xml_cache)
 
         EppSession.count.should == c + 1
-        response = epp_plain_request(@epp_xml.session.logout, :xml)
+        response = epp_plain_request(@epp_xml.session.logout)
         response[:msg].should == 'Command completed successfully; ending session'
         response[:result_code].should == '1500'
 
@@ -102,7 +102,7 @@ describe 'EPP Session', epp: true do
           clID: { value: 'gitlab' },
           pw: { value: 'ghyt9e4fu' },
           newPW: { value: 'abcdefg' }
-        ), :xml)
+        ))
 
         response[:msg].should == 'Command completed successfully'
         response[:result_code].should == '1000'