diff --git a/net/iob/iob_dump.c b/net/iob/iob_dump.c
index ee7cda4e3a..c9ffc7f4ab 100644
--- a/net/iob/iob_dump.c
+++ b/net/iob/iob_dump.c
@@ -54,22 +54,6 @@
 #  define MIN(a,b) ((a) < (b) ? (a) : (b))
 #endif
 
-/* Select the lowest level debug interface available */
-
-#ifdef CONFIG_CPP_HAVE_VARARGS
-#  ifdef CONFIG_ARCH_LOWPUTC
-#    define message(format, ...) lowsyslog(format, ##__VA_ARGS__)
-#  else
-#    define message(format, ...) syslog(format, ##__VA_ARGS__)
-#  endif
-#else
-#  ifdef CONFIG_ARCH_LOWPUTC
-#    define message lowsyslog
-#  else
-#    define message syslog
-#  endif
-#endif
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -93,7 +77,7 @@ void iob_dump(FAR const char *msg, FAR struct iob_s *iob, unsigned int len,
   unsigned int cndx;
 
   head = iob;
-  message("%s: iob=%p pktlen=%d\n", msg, head, head->io_pktlen);
+  lowsyslog(LOG_DEBUG, "%s: iob=%p pktlen=%d\n", msg, head, head->io_pktlen);
 
   /* Check if the offset is beyond the data in the I/O buffer chain */
 
@@ -108,7 +92,8 @@ void iob_dump(FAR const char *msg, FAR struct iob_s *iob, unsigned int len,
 
   for (; iob; iob = iob->io_flink)
     {
-      message("  iob=%p len=%d offset=%d\n", iob, iob->io_len, iob->io_offset);
+      lowsyslog(LOG_DEBUG, "  iob=%p len=%d offset=%d\n",
+                iob, iob->io_len, iob->io_offset);
     }
 
   /* Get the amount of data to be displayed, limited by the amount that we
@@ -132,47 +117,47 @@ void iob_dump(FAR const char *msg, FAR struct iob_s *iob, unsigned int len,
 
       if (nbytes > 0)
         {
-          message("  %04x: ", offset);
+          lowsyslog(LOG_DEBUG, "  %04x: ", offset);
 
           for (cndx = 0; cndx < 32; cndx++)
             {
               if (cndx == 16)
                 {
-                  message(" ");
+                  lowsyslog(LOG_DEBUG, " ");
                 }
 
               if ((lndx + cndx) < len)
                 {
-                  message("%02x", data[cndx]);
+                  lowsyslog(LOG_DEBUG, "%02x", data[cndx]);
                 }
               else
                 {
-                  message("  ");
+                  lowsyslog(LOG_DEBUG, "  ");
                 }
             }
 
-          message(" ");
+          lowsyslog(LOG_DEBUG, " ");
           for (cndx = 0; cndx < 32; cndx++)
             {
               if (cndx == 16)
                 {
-                  message(" ");
+                  lowsyslog(LOG_DEBUG, " ");
                 }
 
               if ((lndx + cndx) < len)
                 {
                   if (data[cndx] >= 0x20 && data[cndx] < 0x7f)
                     {
-                      message("%c", data[cndx]);
+                      lowsyslog(LOG_DEBUG, "%c", data[cndx]);
                     }
                   else
                     {
-                      message(".");
+                      lowsyslog(LOG_DEBUG, ".");
                     }
                 }
             }
 
-          message("\n");
+          lowsyslog(LOG_DEBUG, "\n");
         }
     }
 }
diff --git a/net/tcp/tcp_wrbuffer_dump.c b/net/tcp/tcp_wrbuffer_dump.c
index 864e798091..741120f6fd 100644
--- a/net/tcp/tcp_wrbuffer_dump.c
+++ b/net/tcp/tcp_wrbuffer_dump.c
@@ -52,22 +52,6 @@
  * Pre-processor definitions
  ****************************************************************************/
 
-/* Select the lowest level debug interface available */
-
-#ifdef CONFIG_CPP_HAVE_VARARGS
-#  ifdef CONFIG_ARCH_LOWPUTC
-#    define message(format, ...) lowsyslog(format, ##__VA_ARGS__)
-#  else
-#    define message(format, ...) syslog(format, ##__VA_ARGS__)
-#  endif
-#else
-#  ifdef CONFIG_ARCH_LOWPUTC
-#    define message lowsyslog
-#  else
-#    define message syslog
-#  endif
-#endif
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -83,8 +67,8 @@
 void tcp_wrbuffer_dump(FAR const char *msg, FAR struct tcp_wrbuffer_s *wrb,
                        unsigned int len, unsigned int offset)
 {
-  message("%s: wrb=%p segno=%d sent=%d nrtx=%d\n",
-          msg, wrb, WRB_SEQNO(wrb), WRB_SENT(wrb), WRB_NRTX(wrb));
+  lowsyslog(LOG_DEBUG, "%s: wrb=%p segno=%d sent=%d nrtx=%d\n",
+            msg, wrb, WRB_SEQNO(wrb), WRB_SENT(wrb), WRB_NRTX(wrb));
   iob_dump("I/O Buffer Chain", WRB_IOB(wrb), len, offset);
 }