diff --git a/include/weave/provider/http_client.h b/include/weave/provider/http_client.h
index bf01022..5a53374 100644
--- a/include/weave/provider/http_client.h
+++ b/include/weave/provider/http_client.h
@@ -48,7 +48,7 @@
 // request is complete), callback should be invokes on the same thread.
 // Callback should never be called before SendRequest(...) returns.
 //
-// When invoking callback function, user should privide implementation
+// When invoking callback function, user should provide implementation
 // of the Response interface. For example, the following could be used as a
 // simple implementation:
 //   struct ResponseImpl : public provider::HttpClient::Response {
diff --git a/include/weave/provider/network.h b/include/weave/provider/network.h
index a73b75e..2be2dfb 100644
--- a/include/weave/provider/network.h
+++ b/include/weave/provider/network.h
@@ -20,7 +20,7 @@
 // sockets, implementing XMPP push notifications channel.
 //
 // There are 2 main parts of this interface. One part is used to check network
-// connection status and signup for notification if connection status changes.
+// connection status and sign up for notification if connection status changes.
 // Implementation of GetConnectionState() should return current network
 // connection state (enum Network::State).
 // Implementation of AddConnectionChangedCallback() should remember callback
diff --git a/include/weave/provider/test/fake_task_runner.h b/include/weave/provider/test/fake_task_runner.h
index 4080072..9476d02 100644
--- a/include/weave/provider/test/fake_task_runner.h
+++ b/include/weave/provider/test/fake_task_runner.h
@@ -34,10 +34,6 @@
   size_t GetTaskQueueSize() const;
 
  private:
-  void SaveTask(const tracked_objects::Location& from_here,
-                const base::Closure& task,
-                base::TimeDelta delay);
-
   using QueueItem = std::pair<std::pair<base::Time, size_t>, base::Closure>;
 
   struct Greater {
diff --git a/src/access_revocation_manager_impl.cc b/src/access_revocation_manager_impl.cc
index 035e1ad..93bdf3f 100644
--- a/src/access_revocation_manager_impl.cc
+++ b/src/access_revocation_manager_impl.cc
@@ -159,8 +159,9 @@
                                             const std::vector<uint8_t>& app_id,
                                             base::Time timestamp) const {
   Entry entry_to_find;
-  for (const auto& user : {{}, user_id}) {
-    for (const auto& app : {{}, app_id}) {
+  const std::vector<uint8_t> no_id;
+  for (const auto& user : {no_id, user_id}) {
+    for (const auto& app : {no_id, app_id}) {
       entry_to_find.user_id = user;
       entry_to_find.app_id = app;
       auto match = entries_.find(entry_to_find);
diff --git a/src/config_unittest.cc b/src/config_unittest.cc
index 3c020f4..9e8fc42 100644
--- a/src/config_unittest.cc
+++ b/src/config_unittest.cc
@@ -263,27 +263,27 @@
       .WillOnce(WithArgs<1, 2>(
           Invoke([](const std::string& json, const DoneCallback& callback) {
             auto expected = R"({
-          'version': 1,
-          'api_key': 'set_api_key',
-          'client_id': 'set_client_id',
-          'client_secret': 'set_client_secret',
-          'cloud_id': 'set_cloud_id',
-          'description': 'set_description',
-          'device_id': 'set_device_id',
-          'last_configured_ssid': 'set_last_configured_ssid',
-          'local_anonymous_access_role': 'user',
-          'root_client_token_owner': 'cloud',
-          'local_discovery_enabled': true,
-          'local_pairing_enabled': true,
-          'location': 'set_location',
-          'name': 'set_name',
-          'oauth_url': 'set_oauth_url',
-          'refresh_token': 'set_token',
-          'robot_account': 'set_account',
-          'secret': 'AQIDBAU=',
-          'service_url': 'set_service_url',
-          'xmpp_endpoint': 'set_xmpp_endpoint'
-        })";
+              'version': 1,
+              'api_key': 'set_api_key',
+              'client_id': 'set_client_id',
+              'client_secret': 'set_client_secret',
+              'cloud_id': 'set_cloud_id',
+              'description': 'set_description',
+              'device_id': 'set_device_id',
+              'last_configured_ssid': 'set_last_configured_ssid',
+              'local_anonymous_access_role': 'user',
+              'root_client_token_owner': 'cloud',
+              'local_discovery_enabled': true,
+              'local_pairing_enabled': true,
+              'location': 'set_location',
+              'name': 'set_name',
+              'oauth_url': 'set_oauth_url',
+              'refresh_token': 'set_token',
+              'robot_account': 'set_account',
+              'secret': 'AQIDBAU=',
+              'service_url': 'set_service_url',
+              'xmpp_endpoint': 'set_xmpp_endpoint'
+            })";
             EXPECT_JSON_EQ(expected, *test::CreateValue(json));
             callback.Run(nullptr);
           })));
diff --git a/src/privet/constants.h b/src/privet/constants.h
index 67f993d..c4f3c49 100644
--- a/src/privet/constants.h
+++ b/src/privet/constants.h
@@ -7,7 +7,6 @@
 
 namespace weave {
 namespace privet {
-
 namespace errors {
 
 extern const char kInvalidClientCommitment[];
@@ -31,6 +30,7 @@
 extern const char kNotFound[];
 extern const char kNotImplemented[];
 extern const char kAlreadyClaimed[];
+
 }  // namespace errors
 }  // namespace privet
 }  // namespace weave
diff --git a/src/privet/privet_handler.h b/src/privet/privet_handler.h
index 7b212e4..e64151b 100644
--- a/src/privet/privet_handler.h
+++ b/src/privet/privet_handler.h
@@ -101,12 +101,6 @@
   void HandleSetupStatus(const base::DictionaryValue&,
                          const UserInfo& user_info,
                          const RequestCallback& callback);
-  void HandleState(const base::DictionaryValue& input,
-                   const UserInfo& user_info,
-                   const RequestCallback& callback);
-  void HandleCommandDefs(const base::DictionaryValue& input,
-                         const UserInfo& user_info,
-                         const RequestCallback& callback);
   void HandleCommandsExecute(const base::DictionaryValue& input,
                              const UserInfo& user_info,
                              const RequestCallback& callback);
diff --git a/src/privet/privet_manager.cc b/src/privet/privet_manager.cc
index 1858168..54f1155 100644
--- a/src/privet/privet_manager.cc
+++ b/src/privet/privet_manager.cc
@@ -114,9 +114,9 @@
 }
 
 void Manager::AddOnPairingChangedCallbacks(
-    const SecurityManager::PairingStartListener& on_start,
-    const SecurityManager::PairingEndListener& on_end) {
-  security_->RegisterPairingListeners(on_start, on_end);
+    const Device::PairingBeginCallback& begin_callback,
+    const Device::PairingEndCallback& end_callback) {
+  security_->RegisterPairingListeners(begin_callback, end_callback);
 }
 
 void Manager::OnDeviceInfoChanged(const weave::Settings&) {
diff --git a/src/privet/security_delegate.h b/src/privet/security_delegate.h
index 867ff2a..0cc33b2 100644
--- a/src/privet/security_delegate.h
+++ b/src/privet/security_delegate.h
@@ -47,8 +47,8 @@
   // Returns Root Client Authorization Token.
   virtual std::string ClaimRootClientAuthToken(ErrorPtr* error) = 0;
 
-  // Confirms pending pending token claim or checks that token is valid for the
-  // active secret.
+  // Confirms pending token claim or checks that token is valid for the active
+  // secret.
   virtual bool ConfirmClientAuthToken(const std::string& token,
                                       ErrorPtr* error) = 0;
 
diff --git a/src/privet/security_manager.cc b/src/privet/security_manager.cc
index 3c11935..157c8d6 100644
--- a/src/privet/security_manager.cc
+++ b/src/privet/security_manager.cc
@@ -251,7 +251,7 @@
       return true;
     }
   }
-  LOG(ERROR) << "Attempt to authenticate with invalide code.";
+  LOG(ERROR) << "Attempt to authenticate with invalid code.";
   return false;
 }
 
diff --git a/src/streams.cc b/src/streams.cc
index 22527c9..c5e147f 100644
--- a/src/streams.cc
+++ b/src/streams.cc
@@ -11,8 +11,6 @@
 
 namespace weave {
 
-namespace {}  // namespace
-
 MemoryStream::MemoryStream(const std::vector<uint8_t>& data,
                            provider::TaskRunner* task_runner)
     : data_{data}, task_runner_{task_runner} {}