diff --git a/libs/libc/syslog/lib_syslog.c b/libs/libc/syslog/lib_syslog.c
index 8bbe16f2c0..311579c5b3 100644
--- a/libs/libc/syslog/lib_syslog.c
+++ b/libs/libc/syslog/lib_syslog.c
@@ -40,6 +40,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdarg.h>
 #include <syslog.h>
 
 #include <nuttx/syslog/syslog.h>
@@ -110,3 +111,4 @@ void syslog(int priority, FAR const IPTR char *fmt, ...)
   vsyslog(priority, fmt, ap);
   va_end(ap);
 }
+
diff --git a/mm/mm_heap/mm_sem.c b/mm/mm_heap/mm_sem.c
index 7391c0179b..f59018ef94 100644
--- a/mm/mm_heap/mm_sem.c
+++ b/mm/mm_heap/mm_sem.c
@@ -294,16 +294,12 @@ void mm_givesemaphore(FAR struct mm_heap_s *heap)
 #ifdef CONFIG_SMP
   irqstate_t flags = enter_critical_section();
 #endif
-#if defined(CONFIG_DEBUG_ASSERTIONS) || \
-   (defined(MONITOR_MM_SEMAPHORE) && defined(CONFIG_DEBUG_INFO))
-  pid_t my_pid = getpid();
-#endif
 
   /* The current task should be holding at least one reference to the
    * semaphore.
    */
 
-  DEBUGASSERT(heap->mm_holder == my_pid);
+  DEBUGASSERT(heap->mm_holder == getpid());
 
   /* Does the current task hold multiple references to the semaphore */
 
@@ -319,7 +315,7 @@ void mm_givesemaphore(FAR struct mm_heap_s *heap)
     {
       /* Nope, this is the last reference held by the current task. */
 
-      mseminfo("PID=%d giving\n", my_pid);
+      mseminfo("PID=%d giving\n", getpid());
 
       heap->mm_holder      = NO_HOLDER;
       heap->mm_counts_held = 0;