diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index c4739c044d..c36f1a0545 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -221,8 +221,8 @@ Application::Application(int& argc, char** argv, timeval &startup_time) :
         _audio(&_audioScope, STARTUP_JITTER_SAMPLES),
 #endif
         _stopNetworkReceiveThread(false),  
-        _voxelProcessor(this),
-        _voxelEditSender(this),
+        _voxelProcessor(),
+        _voxelEditSender(),
         _packetCount(0),
         _packetsPerSecond(0),
         _bytesPerSecond(0),
diff --git a/interface/src/VoxelEditPacketSender.cpp b/interface/src/VoxelEditPacketSender.cpp
index c663977268..621e09bd22 100644
--- a/interface/src/VoxelEditPacketSender.cpp
+++ b/interface/src/VoxelEditPacketSender.cpp
@@ -13,15 +13,12 @@
 #include "Application.h"
 #include "VoxelEditPacketSender.h"
 
-VoxelEditPacketSender::VoxelEditPacketSender(Application* app) :
-    _app(app)
-{
-}
-
 void VoxelEditPacketSender::sendVoxelEditMessage(PACKET_TYPE type, VoxelDetail& detail) {
 
+    Application* app = Application::getInstance();
+
     // if the app has Voxels disabled, we don't do any of this...
-    if (!_app->_renderVoxels->isChecked()) {
+    if (!app->_renderVoxels->isChecked()) {
         return; // bail early
     }
 
@@ -35,7 +32,7 @@ void VoxelEditPacketSender::sendVoxelEditMessage(PACKET_TYPE type, VoxelDetail&
     }
 
     // Tell the application's bandwidth meters about what we've sent
-    _app->_bandwidthMeter.outputStream(BandwidthMeter::VOXELS).updateValue(totalBytesSent); 
+    app->_bandwidthMeter.outputStream(BandwidthMeter::VOXELS).updateValue(totalBytesSent); 
 }
 
 void VoxelEditPacketSender::actuallySendMessage(uint16_t nodeID, unsigned char* bufferOut, ssize_t sizeOut) {
@@ -51,6 +48,8 @@ void VoxelEditPacketSender::actuallySendMessage(uint16_t nodeID, unsigned char*
 }
 
 void VoxelEditPacketSender::queueVoxelEditMessage(PACKET_TYPE type, unsigned char* codeColorBuffer, ssize_t length) {
+    Application* app = Application::getInstance();
+
     // We want to filter out edit messages for voxel servers based on the server's Jurisdiction
     // But we can't really do that with a packed message, since each edit message could be destined 
     // for a different voxel server... So we need to actually manage multiple queued packets... one
@@ -63,7 +62,7 @@ void VoxelEditPacketSender::queueVoxelEditMessage(PACKET_TYPE type, unsigned cha
             // we need to get the jurisdiction for this 
             // here we need to get the "pending packet" for this server
             uint16_t nodeID = node->getNodeID();
-            const JurisdictionMap& map = _app->_voxelServerJurisdictions[nodeID];
+            const JurisdictionMap& map = app->_voxelServerJurisdictions[nodeID];
             if (map.isMyJurisdiction(codeColorBuffer, CHECK_NODE_ONLY) == JurisdictionMap::WITHIN) {
                 EditPacketBuffer& packetBuffer = _pendingEditPackets[nodeID];
                 packetBuffer._nodeID = nodeID;
diff --git a/interface/src/VoxelEditPacketSender.h b/interface/src/VoxelEditPacketSender.h
index d3058828e3..e3b0f7d18a 100644
--- a/interface/src/VoxelEditPacketSender.h
+++ b/interface/src/VoxelEditPacketSender.h
@@ -14,8 +14,6 @@
 #include <PacketSender.h>
 #include <SharedUtil.h> // for VoxelDetail
 
-class Application;
-
 /// Used for construction of edit voxel packets
 class EditPacketBuffer {
 public:
@@ -29,8 +27,6 @@ public:
 /// Threaded processor for queueing and sending of outbound edit voxel packets. 
 class VoxelEditPacketSender : public PacketSender {
 public:
-    VoxelEditPacketSender(Application* app);
-    
     /// Send voxel edit message immediately
     void sendVoxelEditMessage(PACKET_TYPE type, VoxelDetail& detail);
 
@@ -46,7 +42,6 @@ private:
     void initializePacket(EditPacketBuffer& packetBuffer, PACKET_TYPE type);
     void flushQueue(EditPacketBuffer& packetBuffer); // flushes specific queued packet
 
-    Application*    _app;
     std::map<uint16_t,EditPacketBuffer> _pendingEditPackets;
 };
 #endif // __shared__VoxelEditPacketSender__
diff --git a/interface/src/VoxelPacketProcessor.cpp b/interface/src/VoxelPacketProcessor.cpp
index 558037b0bc..86188b2bf8 100644
--- a/interface/src/VoxelPacketProcessor.cpp
+++ b/interface/src/VoxelPacketProcessor.cpp
@@ -13,18 +13,16 @@
 #include "Application.h"
 #include "VoxelPacketProcessor.h"
 
-VoxelPacketProcessor::VoxelPacketProcessor(Application* app) :
-    _app(app) {
-}
-
 void VoxelPacketProcessor::processPacket(sockaddr& senderAddress, unsigned char* packetData, ssize_t packetLength) {
-    PerformanceWarning warn(_app->_renderPipelineWarnings->isChecked(),"VoxelPacketProcessor::processPacket()");
+    Application* app = Application::getInstance();
+
+    PerformanceWarning warn(app->_renderPipelineWarnings->isChecked(),"VoxelPacketProcessor::processPacket()");
     ssize_t messageLength = packetLength;
 
     // check to see if the UI thread asked us to kill the voxel tree. since we're the only thread allowed to do that
-    if (_app->_wantToKillLocalVoxels) {
-        _app->_voxels.killLocalVoxels();
-        _app->_wantToKillLocalVoxels = false;
+    if (app->_wantToKillLocalVoxels) {
+        app->_voxels.killLocalVoxels();
+        app->_wantToKillLocalVoxels = false;
     }
     
     // note: PACKET_TYPE_VOXEL_STATS can have PACKET_TYPE_VOXEL_DATA or PACKET_TYPE_VOXEL_DATA_MONOCHROME
@@ -32,7 +30,7 @@ void VoxelPacketProcessor::processPacket(sockaddr& senderAddress, unsigned char*
     // then process any remaining bytes as if it was another packet
     if (packetData[0] == PACKET_TYPE_VOXEL_STATS) {
     
-        int statsMessageLength = _app->parseVoxelStats(packetData, messageLength, senderAddress);
+        int statsMessageLength = app->parseVoxelStats(packetData, messageLength, senderAddress);
         if (messageLength > statsMessageLength) {
             packetData += statsMessageLength;
             messageLength -= statsMessageLength;
@@ -44,16 +42,16 @@ void VoxelPacketProcessor::processPacket(sockaddr& senderAddress, unsigned char*
         }
     } // fall through to piggyback message
 
-    if (_app->_renderVoxels->isChecked()) {
+    if (app->_renderVoxels->isChecked()) {
         Node* voxelServer = NodeList::getInstance()->nodeWithAddress(&senderAddress);
         if (voxelServer && socketMatch(voxelServer->getActiveSocket(), &senderAddress)) {
             voxelServer->lock();
             if (packetData[0] == PACKET_TYPE_ENVIRONMENT_DATA) {
-                _app->_environment.parseData(&senderAddress, packetData, messageLength);
+                app->_environment.parseData(&senderAddress, packetData, messageLength);
             } else {
-                _app->_voxels.setDataSourceID(voxelServer->getNodeID());
-                _app->_voxels.parseData(packetData, messageLength);
-                _app->_voxels.setDataSourceID(UNKNOWN_NODE_ID);
+                app->_voxels.setDataSourceID(voxelServer->getNodeID());
+                app->_voxels.parseData(packetData, messageLength);
+                app->_voxels.setDataSourceID(UNKNOWN_NODE_ID);
             }
             voxelServer->unlock();
         }
diff --git a/interface/src/VoxelPacketProcessor.h b/interface/src/VoxelPacketProcessor.h
index f55daf5aba..0a89d0d03e 100644
--- a/interface/src/VoxelPacketProcessor.h
+++ b/interface/src/VoxelPacketProcessor.h
@@ -13,17 +13,9 @@
 
 #include <ReceivedPacketProcessor.h>
 
-class Application;
-
 /// Handles processing of incoming voxel packets for the interface application.
 class VoxelPacketProcessor : public ReceivedPacketProcessor {
-public:
-    VoxelPacketProcessor(Application* app);
-
 protected:
     virtual void processPacket(sockaddr& senderAddress, unsigned char*  packetData, ssize_t packetLength);
-    
-private:
-    Application* _app;
 };
 #endif // __shared__VoxelPacketProcessor__