diff --git a/arangod/Agency/AgencyComm.cpp b/arangod/Agency/AgencyComm.cpp
index b4d460ea88..a17f36cad4 100644
--- a/arangod/Agency/AgencyComm.cpp
+++ b/arangod/Agency/AgencyComm.cpp
@@ -61,7 +61,7 @@ static void addEmptyVPackObject(std::string const& name,
 // -----------------------------------------------------------------------------
 
 AgencyPrecondition::AgencyPrecondition()
-  : type(AgencyPrecondition::Type::NONE) {}
+  : type(AgencyPrecondition::Type::NONE), empty(false) {}
 
 AgencyPrecondition::AgencyPrecondition(std::string const& key, Type t, bool e)
     : key(AgencyCommManager::path(key)), type(t), empty(e) {}
diff --git a/arangod/Agency/AgencyComm.h b/arangod/Agency/AgencyComm.h
index 01084cc802..9baf8f91c9 100644
--- a/arangod/Agency/AgencyComm.h
+++ b/arangod/Agency/AgencyComm.h
@@ -183,7 +183,7 @@ class AgencyPrecondition {
 
 class AgencyOperation {
  public:
-  AgencyOperation(std::string const& key);
+  explicit AgencyOperation(std::string const& key);
   
   AgencyOperation(std::string const& key, AgencySimpleOperationType opType);
 
@@ -405,7 +405,7 @@ class AgencyCommManager {
   static std::string generateStamp();
 
  public:
-  AgencyCommManager(std::string const& prefix) : _prefix(prefix) {}
+  explicit AgencyCommManager(std::string const& prefix) : _prefix(prefix) {}
 
  public:
   bool start();
diff --git a/arangod/Agency/AgencyCommon.h b/arangod/Agency/AgencyCommon.h
index ada705a4ed..934817e86a 100644
--- a/arangod/Agency/AgencyCommon.h
+++ b/arangod/Agency/AgencyCommon.h
@@ -77,8 +77,8 @@ struct trans_ret_t {
   index_t maxind;
   size_t failed;
   query_t result;
-  trans_ret_t() : accepted(false), redirect("") {}
-  trans_ret_t(bool a, std::string const& id) : accepted(a), redirect(id) {}
+  trans_ret_t() : accepted(false), redirect(""), maxind(0), failed(0) {}
+  trans_ret_t(bool a, std::string const& id) : accepted(a), redirect(id), maxind(0), failed(0) {}
   trans_ret_t(bool a, std::string const& id, index_t mi, size_t f,
               query_t const& res) : accepted(a), redirect(id), maxind(mi),
                                     failed(f), result(res) {}
diff --git a/arangod/Agency/Agent.cpp b/arangod/Agency/Agent.cpp
index 38e1b18a88..90ba5811e6 100644
--- a/arangod/Agency/Agent.cpp
+++ b/arangod/Agency/Agent.cpp
@@ -573,8 +573,6 @@ query_t Agent::lastAckedAgo() const {
 }
 
 trans_ret_t Agent::transact(query_t const& queries) {
-
-  std::vector<bool> applied;
   arangodb::consensus::index_t maxind = 0; // maximum write index
 
   if (!_constituent.leading()) {
@@ -634,7 +632,6 @@ trans_ret_t Agent::transact(query_t const& queries) {
 
 /// Write new entries to replicated state and store
 write_ret_t Agent::write(query_t const& query) {
-
   std::vector<bool> applied;
   std::vector<index_t> indices;