diff --git a/libraries/shared/src/PacketSender.h b/libraries/shared/src/PacketSender.h
index 9005a2b254..7a2c6e6d2a 100644
--- a/libraries/shared/src/PacketSender.h
+++ b/libraries/shared/src/PacketSender.h
@@ -23,7 +23,7 @@ public:
 
 
 /// Generalized threaded processor for queueing and sending of outbound packets.
-class PacketSender : public virtual GenericThread {
+class PacketSender : public GenericThread {
 public:
 
     static const uint64_t USECS_PER_SECOND;
diff --git a/libraries/shared/src/ReceivedPacketProcessor.h b/libraries/shared/src/ReceivedPacketProcessor.h
index 621204025e..567434a49e 100644
--- a/libraries/shared/src/ReceivedPacketProcessor.h
+++ b/libraries/shared/src/ReceivedPacketProcessor.h
@@ -15,7 +15,7 @@
 #include "NetworkPacket.h"
 
 /// Generalized threaded processor for handling received inbound packets. 
-class ReceivedPacketProcessor : public virtual GenericThread {
+class ReceivedPacketProcessor : public GenericThread {
 public:
     ReceivedPacketProcessor();