diff --git a/talk/app/webrtc/portallocatorfactory.cc b/talk/app/webrtc/portallocatorfactory.cc
index 32008f6b5..decd33c7b 100644
--- a/talk/app/webrtc/portallocatorfactory.cc
+++ b/talk/app/webrtc/portallocatorfactory.cc
@@ -33,8 +33,6 @@
 #include "talk/p2p/base/basicpacketsocketfactory.h"
 #include "talk/p2p/client/basicportallocator.h"
 
-static const char kUserAgent[] = "PeerConnection User Agent";
-
 namespace webrtc {
 
 using talk_base::scoped_ptr;
diff --git a/talk/app/webrtc/webrtcsdp.cc b/talk/app/webrtc/webrtcsdp.cc
index bee822241..ac920aed5 100644
--- a/talk/app/webrtc/webrtcsdp.cc
+++ b/talk/app/webrtc/webrtcsdp.cc
@@ -127,9 +127,6 @@ static const char kAttributeMsidSemantics[] = "msid-semantic";
 static const char kMediaStreamSemantic[] = "WMS";
 static const char kSsrcAttributeMsid[] = "msid";
 static const char kDefaultMsid[] = "default";
-static const char kMsidAppdataAudio[] = "a";
-static const char kMsidAppdataVideo[] = "v";
-static const char kMsidAppdataData[] = "d";
 static const char kSsrcAttributeMslabel[] = "mslabel";
 static const char kSSrcAttributeLabel[] = "label";
 static const char kAttributeSsrcGroup[] = "ssrc-group";
diff --git a/talk/base/ipaddress.cc b/talk/base/ipaddress.cc
index b3585d785..6c2212bf8 100644
--- a/talk/base/ipaddress.cc
+++ b/talk/base/ipaddress.cc
@@ -51,13 +51,11 @@
 namespace talk_base {
 
 // Prefixes used for categorizing IPv6 addresses.
-static const in6_addr kULAPrefix = {{{0xfc, 0}}};
 static const in6_addr kV4MappedPrefix = {{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
                                            0xFF, 0xFF, 0}}};
 static const in6_addr k6To4Prefix = {{{0x20, 0x02, 0}}};
 static const in6_addr kTeredoPrefix = {{{0x20, 0x01, 0x00, 0x00}}};
 static const in6_addr kV4CompatibilityPrefix = {{{0}}};
-static const in6_addr kSiteLocalPrefix = {{{0xfe, 0xc0, 0}}};
 static const in6_addr k6BonePrefix = {{{0x3f, 0xfe, 0}}};
 
 bool IPAddress::strip_sensitive_ = false;
diff --git a/talk/base/network.cc b/talk/base/network.cc
index 49901138b..e3458eb78 100644
--- a/talk/base/network.cc
+++ b/talk/base/network.cc
@@ -612,16 +612,14 @@ Network::Network(const std::string& name, const std::string& desc,
                  const std::string& key)
     : name_(name), description_(desc), prefix_(prefix),
       prefix_length_(prefix_length), key_(key), scope_id_(0), ignored_(false),
-      uniform_numerator_(0), uniform_denominator_(0), exponential_numerator_(0),
-      exponential_denominator_(0), type_(ADAPTER_TYPE_UNKNOWN), preference_(0) {
+      type_(ADAPTER_TYPE_UNKNOWN), preference_(0) {
 }
 
 Network::Network(const std::string& name, const std::string& desc,
                  const IPAddress& prefix, int prefix_length)
     : name_(name), description_(desc), prefix_(prefix),
       prefix_length_(prefix_length), scope_id_(0), ignored_(false),
-      uniform_numerator_(0), uniform_denominator_(0), exponential_numerator_(0),
-      exponential_denominator_(0), type_(ADAPTER_TYPE_UNKNOWN), preference_(0) {
+      type_(ADAPTER_TYPE_UNKNOWN), preference_(0) {
 }
 
 std::string Network::ToString() const {
diff --git a/talk/base/network.h b/talk/base/network.h
index 75a443bca..e4ff5f8f6 100644
--- a/talk/base/network.h
+++ b/talk/base/network.h
@@ -254,10 +254,6 @@ class Network {
   std::vector<IPAddress> ips_;
   int scope_id_;
   bool ignored_;
-  double uniform_numerator_;
-  double uniform_denominator_;
-  double exponential_numerator_;
-  double exponential_denominator_;
   AdapterType type_;
   int preference_;
 
diff --git a/talk/base/nssidentity.cc b/talk/base/nssidentity.cc
index 8c020a6b4..a0cd8b217 100644
--- a/talk/base/nssidentity.cc
+++ b/talk/base/nssidentity.cc
@@ -355,7 +355,7 @@ NSSIdentity* NSSIdentity::GenerateInternal(const SSLIdentityParams& params) {
   NSSIdentity *identity = NULL;
   CERTSubjectPublicKeyInfo *spki = NULL;
   CERTCertificateRequest *certreq = NULL;
-  CERTValidity *validity;
+  CERTValidity *validity = NULL;
   CERTCertificate *certificate = NULL;
   NSSKeyPair *keypair = NSSKeyPair::Generate();
   SECItem inner_der;
diff --git a/talk/base/physicalsocketserver.cc b/talk/base/physicalsocketserver.cc
index 836f65321..12c1bccb2 100644
--- a/talk/base/physicalsocketserver.cc
+++ b/talk/base/physicalsocketserver.cc
@@ -79,6 +79,7 @@ typedef char* SockOptArg;
 
 namespace talk_base {
 
+#if defined(WIN32)
 // Standard MTUs, from RFC 1191
 const uint16 PACKET_MAXIMUMS[] = {
   65535,    // Theoretical maximum, Hyperchannel
@@ -106,6 +107,7 @@ static const int IP_HEADER_SIZE = 20u;
 static const int IPV6_HEADER_SIZE = 40u;
 static const int ICMP_HEADER_SIZE = 8u;
 static const int ICMP_PING_TIMEOUT_MILLIS = 10000u;
+#endif
 
 class PhysicalSocket : public AsyncSocket, public sigslot::has_slots<> {
  public:
@@ -1202,9 +1204,7 @@ class Signaler : public EventDispatcher {
 };
 
 PhysicalSocketServer::PhysicalSocketServer()
-    : fWait_(false),
-      last_tick_tracked_(0),
-      last_tick_dispatch_count_(0) {
+    : fWait_(false) {
   signal_wakeup_ = new Signaler(this, &fWait_);
 #ifdef WIN32
   socket_ev_ = WSACreateEvent();
@@ -1514,12 +1514,6 @@ bool PhysicalSocketServer::Wait(int cmsWait, bool process_io) {
   int cmsElapsed = 0;
   uint32 msStart = Time();
 
-#if LOGGING
-  if (last_tick_dispatch_count_ == 0) {
-    last_tick_tracked_ = msStart;
-  }
-#endif
-
   fWait_ = true;
   while (fWait_) {
     std::vector<WSAEVENT> events;
@@ -1569,23 +1563,6 @@ bool PhysicalSocketServer::Wait(int cmsWait, bool process_io) {
                                         cmsNext,
                                         false);
 
-#if 0  // LOGGING
-    // we track this information purely for logging purposes.
-    last_tick_dispatch_count_++;
-    if (last_tick_dispatch_count_ >= 1000) {
-      int32 elapsed = TimeSince(last_tick_tracked_);
-      LOG(INFO) << "PhysicalSocketServer took " << elapsed
-                << "ms for 1000 events";
-
-      // If we get more than 1000 events in a second, we are spinning badly
-      // (normally it should take about 8-20 seconds).
-      ASSERT(elapsed > 1000);
-
-      last_tick_tracked_ = Time();
-      last_tick_dispatch_count_ = 0;
-    }
-#endif
-
     if (dw == WSA_WAIT_FAILED) {
       // Failed?
       // TODO: need a better strategy than this!
diff --git a/talk/base/physicalsocketserver.h b/talk/base/physicalsocketserver.h
index 709f85ab1..9173f238d 100644
--- a/talk/base/physicalsocketserver.h
+++ b/talk/base/physicalsocketserver.h
@@ -127,8 +127,6 @@ class PhysicalSocketServer : public SocketServer {
   Signaler* signal_wakeup_;
   CriticalSection crit_;
   bool fWait_;
-  uint32 last_tick_tracked_;
-  int last_tick_dispatch_count_;
 #ifdef WIN32
   WSAEVENT socket_ev_;
 #endif
diff --git a/talk/base/timeutils.cc b/talk/base/timeutils.cc
index 54db3418b..fee85aa64 100644
--- a/talk/base/timeutils.cc
+++ b/talk/base/timeutils.cc
@@ -25,6 +25,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <stdint.h>
+
 #ifdef POSIX
 #include <sys/time.h>
 #if defined(OSX) || defined(IOS)
@@ -45,7 +47,6 @@
 
 namespace talk_base {
 
-const uint32 LAST = 0xFFFFFFFF;
 const uint32 HALF = 0x80000000;
 
 uint64 TimeNanos() {
@@ -190,13 +191,13 @@ int32 TimeDiff(uint32 later, uint32 earlier) {
     if (earlier <= later) {
       return static_cast<long>(later - earlier);
     } else {
-      return static_cast<long>(later + (LAST - earlier) + 1);
+      return static_cast<long>(later + (UINT32_MAX - earlier) + 1);
     }
   } else {
     if (later <= earlier) {
       return -static_cast<long>(earlier - later);
     } else {
-      return -static_cast<long>(earlier + (LAST - later) + 1);
+      return -static_cast<long>(earlier + (UINT32_MAX - later) + 1);
     }
   }
 #endif
diff --git a/talk/p2p/base/constants.cc b/talk/p2p/base/constants.cc
index 27d43096b..14cac8802 100644
--- a/talk/p2p/base/constants.cc
+++ b/talk/p2p/base/constants.cc
@@ -202,7 +202,6 @@ const buzz::StaticQName QN_ADDRESS = { cricket::NS_EMPTY, "address" };
 const buzz::StaticQName QN_USERNAME = { cricket::NS_EMPTY, "username" };
 const buzz::StaticQName QN_PASSWORD = { cricket::NS_EMPTY, "password" };
 const buzz::StaticQName QN_PREFERENCE = { cricket::NS_EMPTY, "preference" };
-const char GICE_CANDIDATE_TYPE_STUN[] = "stun";
 const char GICE_CHANNEL_NAME_RTP[] = "rtp";
 const char GICE_CHANNEL_NAME_RTCP[] = "rtcp";
 const char GICE_CHANNEL_NAME_VIDEO_RTP[] = "video_rtp";
diff --git a/talk/p2p/base/dtlstransportchannel.cc b/talk/p2p/base/dtlstransportchannel.cc
index 3635c0407..30cd80e70 100644
--- a/talk/p2p/base/dtlstransportchannel.cc
+++ b/talk/p2p/base/dtlstransportchannel.cc
@@ -42,7 +42,6 @@ namespace cricket {
 static const size_t kDtlsRecordHeaderLen = 13;
 static const size_t kMaxDtlsPacketLen = 2048;
 static const size_t kMinRtpPacketLen = 12;
-static const size_t kDefaultVideoAndDataCryptos = 1;
 
 static bool IsDtlsPacket(const char* data, size_t len) {
   const uint8* u = reinterpret_cast<const uint8*>(data);
diff --git a/talk/p2p/base/pseudotcp.cc b/talk/p2p/base/pseudotcp.cc
index 8b838774d..3925637a3 100644
--- a/talk/p2p/base/pseudotcp.cc
+++ b/talk/p2p/base/pseudotcp.cc
@@ -82,7 +82,6 @@ const uint32 MAX_PACKET = 65535;
 const uint32 MIN_PACKET = 296;
 
 const uint32 IP_HEADER_SIZE = 20; // (+ up to 40 bytes of options?)
-const uint32 ICMP_HEADER_SIZE = 8;
 const uint32 UDP_HEADER_SIZE = 8;
 // TODO: Make JINGLE_HEADER_SIZE transparent to this code?
 const uint32 JINGLE_HEADER_SIZE = 64; // when relay framing is in use
@@ -119,7 +118,6 @@ const uint32 DEFAULT_SND_BUF_SIZE = 90 * 1024;
 
 #define PSEUDO_KEEPALIVE 0
 
-const uint32 MAX_SEQ = 0xFFFFFFFF;
 const uint32 HEADER_SIZE = 24;
 const uint32 PACKET_OVERHEAD = HEADER_SIZE + UDP_HEADER_SIZE + IP_HEADER_SIZE + JINGLE_HEADER_SIZE;
 
@@ -132,8 +130,6 @@ const uint8 FLAG_CTL = 0x02;
 const uint8 FLAG_RST = 0x04;
 
 const uint8 CTL_CONNECT = 0;
-//const uint8 CTL_REDIRECT = 1;
-const uint8 CTL_EXTRA = 255;
 
 // TCP options.
 const uint8 TCP_OPT_EOL = 0;  // End of list.
@@ -141,14 +137,6 @@ const uint8 TCP_OPT_NOOP = 1;  // No-op.
 const uint8 TCP_OPT_MSS = 2;  // Maximum segment size.
 const uint8 TCP_OPT_WND_SCALE = 3;  // Window scale factor.
 
-/*
-const uint8 FLAG_FIN = 0x01;
-const uint8 FLAG_SYN = 0x02;
-const uint8 FLAG_ACK = 0x10;
-*/
-
-const uint32 CTRL_BOUND = 0x80000000;
-
 const long DEFAULT_TIMEOUT = 4000; // If there are no pending clocks, wake up every 4 seconds
 const long CLOSED_TIMEOUT = 60 * 1000; // If the connection is closed, once per minute
 
diff --git a/talk/p2p/base/turnport.cc b/talk/p2p/base/turnport.cc
index 988c29e0a..eeaa3af60 100644
--- a/talk/p2p/base/turnport.cc
+++ b/talk/p2p/base/turnport.cc
@@ -43,7 +43,6 @@ namespace cricket {
 
 // TODO(juberti): Move to stun.h when relay messages have been renamed.
 static const int TURN_ALLOCATE_REQUEST = STUN_ALLOCATE_REQUEST;
-static const int TURN_ALLOCATE_ERROR_RESPONSE = STUN_ALLOCATE_ERROR_RESPONSE;
 
 // TODO(juberti): Extract to turnmessage.h
 static const int TURN_DEFAULT_PORT = 3478;
diff --git a/talk/p2p/client/basicportallocator.cc b/talk/p2p/client/basicportallocator.cc
index 9e2ce07ca..7c285d1c3 100644
--- a/talk/p2p/client/basicportallocator.cc
+++ b/talk/p2p/client/basicportallocator.cc
@@ -56,7 +56,6 @@ const uint32 MSG_SEQUENCEOBJECTS_CREATED = 6;
 const uint32 MSG_CONFIG_STOP = 7;
 
 const uint32 ALLOCATE_DELAY = 250;
-const uint32 ALLOCATION_STEP_DELAY = 1 * 1000;
 
 const int PHASE_UDP = 0;
 const int PHASE_RELAY = 1;
@@ -238,7 +237,6 @@ BasicPortAllocatorSession::BasicPortAllocatorSession(
                            ice_ufrag, ice_pwd, allocator->flags()),
       allocator_(allocator), network_thread_(NULL),
       socket_factory_(allocator->socket_factory()),
-      configuration_done_(false),
       allocation_started_(false),
       network_manager_started_(false),
       running_(false),
diff --git a/talk/p2p/client/basicportallocator.h b/talk/p2p/client/basicportallocator.h
index 1fc6ebe10..c46c29aaf 100644
--- a/talk/p2p/client/basicportallocator.h
+++ b/talk/p2p/client/basicportallocator.h
@@ -204,7 +204,6 @@ class BasicPortAllocatorSession : public PortAllocatorSession,
   talk_base::Thread* network_thread_;
   talk_base::scoped_ptr<talk_base::PacketSocketFactory> owned_socket_factory_;
   talk_base::PacketSocketFactory* socket_factory_;
-  bool configuration_done_;
   bool allocation_started_;
   bool network_manager_started_;
   bool running_;  // set when StartGetAllPorts is called
diff --git a/talk/p2p/client/httpportallocator.cc b/talk/p2p/client/httpportallocator.cc
index e54acba5c..b881d439f 100644
--- a/talk/p2p/client/httpportallocator.cc
+++ b/talk/p2p/client/httpportallocator.cc
@@ -41,9 +41,6 @@
 
 namespace {
 
-const uint32 MSG_TIMEOUT = 100;  // must not conflict
-  // with BasicPortAllocator.cpp
-
 // Helper routine to remove whitespace from the ends of a string.
 void Trim(std::string& str) {
   size_t first = str.find_first_not_of(" \t\r\n");
diff --git a/talk/session/media/mediamessages.cc b/talk/session/media/mediamessages.cc
index 6b5d03cf9..45c6c7965 100644
--- a/talk/session/media/mediamessages.cc
+++ b/talk/session/media/mediamessages.cc
@@ -52,13 +52,6 @@ bool ParseSsrc(const std::string& string, uint32* ssrc) {
   return talk_base::FromString(string, ssrc);
 }
 
-bool ParseSsrc(const buzz::XmlElement* element, uint32* ssrc) {
-  if (element == NULL) {
-    return false;
-  }
-  return ParseSsrc(element->BodyText(), ssrc);
-}
-
 // Builds a <view> element according to the following spec:
 // goto/jinglemuc
 buzz::XmlElement* CreateViewElem(const std::string& name,
diff --git a/talk/xmllite/xmlparser.cc b/talk/xmllite/xmlparser.cc
index 3e4d73348..880223187 100644
--- a/talk/xmllite/xmlparser.cc
+++ b/talk/xmllite/xmlparser.cc
@@ -60,7 +60,7 @@ XmlDeclCallback(void * userData, const char * ver, const char * enc, int st) {
 }
 
 XmlParser::XmlParser(XmlParseHandler *pxph) :
-    context_(this), pxph_(pxph), sentError_(false) {
+    pxph_(pxph), sentError_(false) {
   expat_ = XML_ParserCreate(NULL);
   XML_SetUserData(expat_, this);
   XML_SetElementHandler(expat_, StartElementCallback, EndElementCallback);
@@ -196,8 +196,7 @@ XmlParser::ParseXml(XmlParseHandler *pxph, std::string text) {
   parser.Parse(text.c_str(), text.length(), true);
 }
 
-XmlParser::ParseContext::ParseContext(XmlParser *parser) :
-    parser_(parser),
+XmlParser::ParseContext::ParseContext() :
     xmlnsstack_(),
     raised_(XML_ERROR_NONE),
     line_number_(0),
diff --git a/talk/xmllite/xmlparser.h b/talk/xmllite/xmlparser.h
index 69cde75f7..4a79858e4 100644
--- a/talk/xmllite/xmlparser.h
+++ b/talk/xmllite/xmlparser.h
@@ -87,7 +87,7 @@ private:
 
   class ParseContext : public XmlParseContext {
   public:
-    ParseContext(XmlParser * parser);
+    ParseContext();
     virtual ~ParseContext();
     virtual QName ResolveQName(const char * qname, bool isAttr);
     virtual void RaiseError(XML_Error err) { if (!raised_) raised_ = err; }
@@ -102,7 +102,6 @@ private:
     void SetPosition(int line, int column, long byte_index);
 
   private:
-    const XmlParser * parser_;
     XmlnsStack xmlnsstack_;
     XML_Error raised_;
     XML_Size line_number_;
diff --git a/talk/xmpp/constants.cc b/talk/xmpp/constants.cc
index db2fc9810..8144fe0c2 100644
--- a/talk/xmpp/constants.cc
+++ b/talk/xmpp/constants.cc
@@ -216,7 +216,6 @@ const char NS_GOOGLE_AUTH_PROTOCOL[] =
     "http://www.google.com/talk/protocol/auth";
 const StaticQName QN_GOOGLE_AUTH_CLIENT_USES_FULL_BIND_RESULT =
     { NS_GOOGLE_AUTH_PROTOCOL, "client-uses-full-bind-result" };
-const char NS_GOOGLE_AUTH_OLD[] = "google:auth";
 const StaticQName QN_GOOGLE_ALLOW_NON_GOOGLE_ID_XMPP_LOGIN =
     { NS_GOOGLE_AUTH_PROTOCOL, "allow-non-google-login" };
 const StaticQName QN_GOOGLE_AUTH_SERVICE =
@@ -345,8 +344,6 @@ const StaticQName QN_NICK = { STR_EMPTY, "nick" };
 const StaticQName QN_SUBSCRIPTION = { STR_EMPTY, "subscription" };
 const StaticQName QN_TITLE1 = { STR_EMPTY, "title1" };
 const StaticQName QN_TITLE2 = { STR_EMPTY, "title2" };
-const StaticQName QN_SOURCE = { STR_EMPTY, "source" };
-const StaticQName QN_TIME = { STR_EMPTY, "time" };
 
 const StaticQName QN_XMLNS_CLIENT = { NS_XMLNS, STR_CLIENT };
 const StaticQName QN_XMLNS_SERVER = { NS_XMLNS, STR_SERVER };
diff --git a/talk/xmpp/constants.h b/talk/xmpp/constants.h
index 2322fa7f4..62e4901d0 100644
--- a/talk/xmpp/constants.h
+++ b/talk/xmpp/constants.h
@@ -122,6 +122,7 @@ extern const StaticQName QN_GOOGLE_MUC_HANGOUT_INVITE_TYPE;
 extern const StaticQName QN_ATTR_CREATE_ACTIVITY;
 extern const StaticQName QN_GOOGLE_MUC_HANGOUT_PUBLIC;
 extern const StaticQName QN_GOOGLE_MUC_HANGOUT_INVITEE;
+extern const StaticQName QN_GOOGLE_MUC_HANGOUT_NOTIFICATION_STATUS;
 extern const StaticQName QN_GOOGLE_MUC_HANGOUT_NOTIFICATION_TYPE;
 extern const StaticQName QN_GOOGLE_MUC_HANGOUT_HANGOUT_START_CONTEXT;
 extern const StaticQName QN_GOOGLE_MUC_HANGOUT_CONVERSATION_ID;
diff --git a/talk/xmpp/xmppengineimpl.cc b/talk/xmpp/xmppengineimpl.cc
index d4c9c7d5f..cf07ab70a 100644
--- a/talk/xmpp/xmppengineimpl.cc
+++ b/talk/xmpp/xmppengineimpl.cc
@@ -418,8 +418,7 @@ void XmppEngineImpl::StartTls(const std::string& domain) {
 
 XmppEngineImpl::EnterExit::EnterExit(XmppEngineImpl* engine)
     : engine_(engine),
-  state_(engine->state_),
-  error_(engine->error_code_) {
+      state_(engine->state_) {
   engine->engine_entered_ += 1;
 }
 
diff --git a/talk/xmpp/xmppengineimpl.h b/talk/xmpp/xmppengineimpl.h
index e292e75d1..827868136 100644
--- a/talk/xmpp/xmppengineimpl.h
+++ b/talk/xmpp/xmppengineimpl.h
@@ -234,8 +234,6 @@ class XmppEngineImpl : public XmppEngine {
    private:
     XmppEngineImpl* engine_;
     State state_;
-    Error error_;
-
   };
 
   friend class StanzaParseHandler;