diff --git a/scp.h b/scp.h
index 35bb97d2..c6b39b61 100644
--- a/scp.h
+++ b/scp.h
@@ -305,8 +305,6 @@ void sim_debug_bits_hdr (uint32 dbits, DEVICE* dptr, const char *header,
     BITFIELD* bitdefs, uint32 before, uint32 after, int terminate);
 void sim_debug_bits (uint32 dbits, DEVICE* dptr, BITFIELD* bitdefs,
     uint32 before, uint32 after, int terminate);
-void _sim_debug_unit (uint32 dbits, UNIT *uptr, const char* fmt, ...) GCC_FMT_ATTR(3, 4);
-void _sim_debug_device (uint32 dbits, DEVICE* dptr, const char* fmt, ...) GCC_FMT_ATTR(3, 4);
 #if defined (__DECC) && defined (__VMS) && (defined (__VAX) || (__DECC_VER < 60590001))
 #define CANT_USE_MACRO_VA_ARGS 1
 #endif
diff --git a/sim_tmxr.c b/sim_tmxr.c
index a3a6b49e..958ac790 100644
--- a/sim_tmxr.c
+++ b/sim_tmxr.c
@@ -5216,11 +5216,12 @@ if ((dptr) && (dbits & dptr->dctrl)) {
         else
             sim_debug (dbits, dptr, "%s %d bytes '%s'\n", msg, bufsize, tmxr_debug_buf);
         }
-    if ((lp->rxnexttime != 0.0) || (lp->txnexttime != 0.0))
+    if ((lp->rxnexttime != 0.0) || (lp->txnexttime != 0.0)) {
         if (lp->rxnexttime != 0.0)
             sim_debug (dbits, dptr, " rxnexttime=%.0f", lp->rxnexttime);
         if (lp->txnexttime != 0.0)
             sim_debug (dbits, dptr, " txnexttime=%.0f", lp->txnexttime);
         sim_debug (dbits, dptr, "\n");
+        }
     }
 }