diff --git a/src/input/device_manager.cpp b/src/input/device_manager.cpp
index c547f2be1..1e266349f 100644
--- a/src/input/device_manager.cpp
+++ b/src/input/device_manager.cpp
@@ -490,6 +490,7 @@ bool DeviceManager::load()
     if(input->getName()!="input")
     {
         Log::warn("DeviceManager", "Invalid input.xml file - no input node.");
+        delete input;
         return false;
     }
 
@@ -500,6 +501,7 @@ bool DeviceManager::load()
         GUIEngine::showMessage(_("Please re-configure your key bindings."));
         GUIEngine::showMessage(_("Your input config file is not compatible "
                                  "with this version of STK."));
+        delete input;
         return false;
     }
 
diff --git a/src/network/servers_manager.cpp b/src/network/servers_manager.cpp
index ba360cf3d..3fa08d4fb 100644
--- a/src/network/servers_manager.cpp
+++ b/src/network/servers_manager.cpp
@@ -191,8 +191,10 @@ Online::XMLRequest* ServersManager::getLANRefreshRequest() const
                     m_success = true;
                 }   // if received_data
             }    // while still waiting
-			if (!m_success)
-				m_info = _("No LAN server detected");
+
+            delete broadcast;
+            if (!m_success)
+                m_info = _("No LAN server detected");
         }   // operation
         // --------------------------------------------------------------------
         /** This function is necessary, otherwise the XML- and HTTP-Request
diff --git a/src/tracks/navmesh.cpp b/src/tracks/navmesh.cpp
index a43f1fe7c..f29afcf31 100644
--- a/src/tracks/navmesh.cpp
+++ b/src/tracks/navmesh.cpp
@@ -46,6 +46,7 @@ NavMesh::NavMesh(const std::string &filename)
     if(xml->getName()!="navmesh")
     {
         Log::error("NavMesh", "NavMesh is invalid. \n");
+        delete xml;	
         return;
     }