diff --git a/sched/misc/assert.c b/sched/misc/assert.c
index 0079014782..343a042f76 100644
--- a/sched/misc/assert.c
+++ b/sched/misc/assert.c
@@ -536,8 +536,6 @@ void _assert(FAR const char *filename, int linenum,
 
   flags = enter_critical_section();
 
-  sched_lock();
-
   /* try to save current context if regs is null */
 
   if (regs == NULL)
@@ -672,7 +670,5 @@ void _assert(FAR const char *filename, int linenum,
 #endif
     }
 
-  sched_unlock();
-
   leave_critical_section(flags);
 }