diff --git a/sched/pthread/pthread_create.c b/sched/pthread/pthread_create.c
index c0fd3dd5aa9..9bbabb6e97e 100644
--- a/sched/pthread/pthread_create.c
+++ b/sched/pthread/pthread_create.c
@@ -291,8 +291,7 @@ int nx_pthread_create(pthread_trampoline_t trampoline, FAR pthread_t *thread,
     {
       /* Allocate the stack for the TCB */
 
-      ret = up_create_stack((FAR struct tcb_s *)ptcb,
-                            up_tls_size() + attr->stacksize,
+      ret = up_create_stack((FAR struct tcb_s *)ptcb, attr->stacksize,
                             TCB_FLAG_TTYPE_PTHREAD);
     }
 
diff --git a/sched/task/task_init.c b/sched/task/task_init.c
index 5cbb774fbab..270b858893e 100644
--- a/sched/task/task_init.c
+++ b/sched/task/task_init.c
@@ -131,9 +131,7 @@ int nxtask_init(FAR struct task_tcb_s *tcb, const char *name, int priority,
     {
       /* Allocate the stack for the TCB */
 
-      ret = up_create_stack(&tcb->cmn,
-                            up_tls_size() + stack_size,
-                            ttype);
+      ret = up_create_stack(&tcb->cmn, stack_size, ttype);
     }
 
   if (ret < OK)