diff --git a/arch/arm/src/common/up_blocktask.c b/arch/arm/src/common/up_blocktask.c
index b726044296..ed27d2e873 100644
--- a/arch/arm/src/common/up_blocktask.c
+++ b/arch/arm/src/common/up_blocktask.c
@@ -95,8 +95,6 @@ void up_block_task(_TCB *tcb, tstate_t task_state)
       _TCB *rtcb = (_TCB*)g_readytorun.head;
       boolean switch_needed;
 
-      lldbg("Blocking TCB=%p\n", tcb);
-
       /* Remove the tcb task from the ready-to-run list.  If we
        * are blocking the task at the head of the task list (the
        * most likely case), then a context switch to the next
@@ -138,7 +136,6 @@ void up_block_task(_TCB *tcb, tstate_t task_state)
                */
 
               rtcb = (_TCB*)g_readytorun.head;
-              lldbg("New Active Task TCB=%p\n", rtcb);
 
               /* Then switch contexts */
 
@@ -157,7 +154,6 @@ void up_block_task(_TCB *tcb, tstate_t task_state)
                */
 
               rtcb = (_TCB*)g_readytorun.head;
-              lldbg("New Active Task TCB=%p\n", rtcb);
 
               /* Then switch contexts */
 
diff --git a/arch/arm/src/common/up_unblocktask.c b/arch/arm/src/common/up_unblocktask.c
index 6f7afab7be..143c7ed7b7 100644
--- a/arch/arm/src/common/up_unblocktask.c
+++ b/arch/arm/src/common/up_unblocktask.c
@@ -91,8 +91,6 @@ void up_unblock_task(_TCB *tcb)
     {
       _TCB *rtcb = (_TCB*)g_readytorun.head;
 
-      lldbg("Unblocking TCB=%p\n", tcb);
-
       /* Remove the task from the blocked task list */
 
       sched_removeblocked(tcb);
@@ -130,7 +128,6 @@ void up_unblock_task(_TCB *tcb)
                */
 
               rtcb = (_TCB*)g_readytorun.head;
-              lldbg("New Active Task TCB=%p\n", rtcb);
 
               /* Then switch contexts */
 
@@ -151,7 +148,6 @@ void up_unblock_task(_TCB *tcb)
                */
 
               rtcb = (_TCB*)g_readytorun.head;
-              lldbg("New Active Task TCB=%p\n", rtcb);
 
               /* Then switch contexts */