diff --git a/src/ca/tcpiiu.cpp b/src/ca/tcpiiu.cpp
index 1e37554cd..4f6209a73 100644
--- a/src/ca/tcpiiu.cpp
+++ b/src/ca/tcpiiu.cpp
@@ -324,8 +324,6 @@ extern "C" void cacRecvThreadTCP (void *pParam)
         tbs  = threadHighestPriorityLevelBelow (priorityOfSelf, &priorityOfSend);
         if ( tbs != tbsSuccess ) {
             priorityOfSend = priorityOfSelf;
-            ca_printf (
-                "CAC warning: unable to get a lower priority for a TCP send thread\n");
         }
         tid = threadCreate ("CAC TCP Send", priorityOfSend,
                 threadGetStackSize (threadStackMedium), cacSendThreadTCP, piiu);
@@ -486,7 +484,6 @@ tcpiiu::tcpiiu (cac *pcac, const struct sockaddr_in &ina, unsigned minorVersion,
         tbs  = threadHighestPriorityLevelBelow (priorityOfSelf, &priorityOfRecv);
         if ( tbs != tbsSuccess ) {
             priorityOfRecv = priorityOfSelf;
-            ca_printf ("CAC warning: unable to get a lower priority for a TCP recv thread\n");
         }
 
         tid = threadCreate ("CAC TCP Recv", priorityOfRecv,
diff --git a/src/ca/udpiiu.cpp b/src/ca/udpiiu.cpp
index d8dfeb267..0d13d314a 100644
--- a/src/ca/udpiiu.cpp
+++ b/src/ca/udpiiu.cpp
@@ -481,7 +481,6 @@ udpiiu::udpiiu (cac *pcac) :
         tbs  = threadHighestPriorityLevelBelow (priorityOfSelf, &priorityOfSend);
         if ( tbs != tbsSuccess ) {
             priorityOfSend = priorityOfSelf;
-            ca_printf ("CAC warning: unable to get a lower priority for a UDP send thread\n");
         }
 
         tid = threadCreate ( "CAC UDP Send", priorityOfSend,