diff --git a/libgrive/src/drive/Collection.cc b/libgrive/src/drive/Collection.cc
index 13b24e6..68a5593 100644
--- a/libgrive/src/drive/Collection.cc
+++ b/libgrive/src/drive/Collection.cc
@@ -32,12 +32,6 @@
 
 namespace gr {
 
-Collection::Collection( const Json& entry ) :
-	m_entry		( entry ),
-	m_parent	( 0 )
-{
-}
-
 Collection::Collection( const xml::Node& entry ) :
 	m_entry		( entry ),
 	m_parent	( 0 )
@@ -51,13 +45,6 @@ Collection::Collection(
 {
 }
 
-std::string Collection::ParentHref( const Json& entry )
-{
-	Json node ;
-	return entry["link"].FindInArray( "rel", "http://schemas.google.com/docs/2007#parent", node ) ?
-		 node["href"].As<std::string>() : std::string() ;
-}
-
 std::string Collection::Href() const
 {
 	return m_entry.SelfHref() ;
diff --git a/libgrive/src/drive/Collection.hh b/libgrive/src/drive/Collection.hh
index 1908626..082fb44 100644
--- a/libgrive/src/drive/Collection.hh
+++ b/libgrive/src/drive/Collection.hh
@@ -33,7 +33,6 @@ class Path ;
 class Collection
 {
 public :
-	explicit Collection( const Json& entry ) ;
 	explicit Collection( const xml::Node& entry ) ;
 	Collection( const std::string& title, const std::string& href ) ;
 	
@@ -41,7 +40,6 @@ public :
 	
 	static bool IsCollection( const Json& entry ) ;
 	static bool IsCollection( const xml::Node& entry ) ;
-	static std::string ParentHref( const Json& entry ) ;
 	
 	std::string Title() const ;
 	std::string Href() const ;
diff --git a/libgrive/src/drive/Drive.cc b/libgrive/src/drive/Drive.cc
index 302970b..51aee9e 100644
--- a/libgrive/src/drive/Drive.cc
+++ b/libgrive/src/drive/Drive.cc
@@ -25,8 +25,6 @@
 #include "http/Agent.hh"
 #include "http/ResponseLog.hh"
 #include "http/XmlResponse.hh"
-#include "protocol/Json.hh"
-#include "protocol/JsonResponse.hh"
 #include "protocol/OAuth2.hh"
 #include "util/Crypt.hh"
 #include "util/DateTime.hh"
@@ -121,10 +119,6 @@ void Drive::ConstructDirTree( http::Agent *http )
 	
 	http->Get( root_url + "/-/folder?max-results=10", &log, m_http_hdr ) ;
 
-// 	http::JsonResponse jrsp ;
-// 	http->Get( root_url + "/-/folder?alt=json", &jrsp, m_http_hdr ) ;
-// 	Json resp = jrsp.Response() ;
-
 	xml::Node resp = xml.Response() ;
 
 	assert( m_coll.empty() ) ;
@@ -140,9 +134,6 @@ void Drive::ConstructDirTree( http::Agent *http )
 				m_coll.push_back( Collection( *i ) ) ;
 		}
 		
-// 		Json next ;
-// 		if ( !resp["feed"]["link"].FindInArray( "rel", "next", next ) )
-// 			break ;
 		xml::NodeSet next = resp["link"].Find( "@rel", "next" ) ;
 		if ( next.empty() )
 			break ;
diff --git a/libgrive/src/drive/Entry.cc b/libgrive/src/drive/Entry.cc
index 4582621..1a62273 100644
--- a/libgrive/src/drive/Entry.cc
+++ b/libgrive/src/drive/Entry.cc
@@ -24,7 +24,6 @@
 #include "http/Download.hh"
 #include "http/StringResponse.hh"
 #include "http/XmlResponse.hh"
-#include "protocol/Json.hh"
 #include "protocol/OAuth2.hh"
 #include "util/OS.hh"
 #include "util/Path.hh"
@@ -42,11 +41,6 @@ Entry::Entry( const Path& file )
 {
 }
 
-Entry::Entry( const Json& entry )
-{
-	Update( entry ) ;
-}
-
 Entry::Entry( const xml::Node& n )
 {
 	Update( n ) ;
@@ -58,41 +52,6 @@ Entry::Entry( const std::string& title, const std::string& href ) :
 {
 }
 
-void Entry::Update( const Json& entry )
-{
-	m_title				= entry["title"]["$t"].Str() ;
-	
-	m_filename			= entry.Has("docs$suggestedFilename") ?
-		entry["docs$suggestedFilename"]["$t"].Str() : "" ;
-	
-	m_content_src		= entry["content"]["src"].Str() ;
-	m_self_href			= entry["link"].FindInArray( "rel", "self" )["href"].Str() ;
-	m_parent_href		= Parent( entry ) ;
-	m_server_modified	= DateTime( entry["updated"]["$t"].Str() ) ;
-	m_etag				= entry["gd$etag"].Str() ;
-	
-	m_resource_id		= entry["gd$resourceId"]["$t"].Str() ;
-	
-	m_server_md5		= entry.Has("docs$md5Checksum") ?
-		entry["docs$md5Checksum"]["$t"].Str() : "" ;
-
-	Json node ;
-	m_kind				= entry["category"].
-		FindInArray( "scheme", "http://schemas.google.com/g/2005#kind", node )
-		? node["label"].Str() : std::string() ;
-	
-	m_upload_link		= entry["link"].
-		FindInArray( "rel", "http://schemas.google.com/g/2005#resumable-edit-media", node )
-		? node["href"].Str() : std::string() ;
-
-	// convert to lower case for easy comparison
-	std::transform(
-		m_server_md5.begin(),
-		m_server_md5.end(),
-		m_server_md5.begin(),
-		tolower ) ;
-}
-
 void Entry::Update( const xml::Node& n )
 {
 	m_title				= n["title"] ;
@@ -123,13 +82,6 @@ void Entry::Update( const xml::Node& n )
 		tolower ) ;
 }
 
-std::string Entry::Parent( const Json& entry )
-{
-	Json node ;
-	return entry["link"].FindInArray( "rel", "http://schemas.google.com/docs/2007#parent", node ) ?
-		 node["href"].Str() : std::string() ;
-}
-
 const std::vector<std::string>& Entry::ParentHrefs() const
 {
 	return m_parent_hrefs ;
diff --git a/libgrive/src/drive/Entry.hh b/libgrive/src/drive/Entry.hh
index 9d69702..010b525 100644
--- a/libgrive/src/drive/Entry.hh
+++ b/libgrive/src/drive/Entry.hh
@@ -46,7 +46,6 @@ class Entry
 {
 public :
 	explicit Entry( const Path& file ) ;
-	explicit Entry( const Json& entry ) ;
 	explicit Entry( const xml::Node& n ) ;
 	Entry( const std::string& title, const std::string& href ) ;
 
@@ -71,9 +70,7 @@ public :
 	void Swap( Entry& e ) ;
 	
 private :
-	void Update( const Json& entry ) ;
 	void Update( const xml::Node& entry ) ;
-	static std::string Parent( const Json& entry ) ;
 
 private :
 	std::string		m_title ;