diff --git a/C/absmi.c b/C/absmi.c
index fd9fdf9b7..ce03cc4e8 100644
--- a/C/absmi.c
+++ b/C/absmi.c
@@ -2557,7 +2557,7 @@ Yap_absmi(int inp)
 #ifdef COROUTINING
       }
 #endif
-#ifdef LOW_LEvel_TRACER
+#ifdef LOW_LEVEL_TRACER
       if (Yap_do_low_level_trace)
 	low_level_trace(enter_pred,(PredEntry *)(SREG),XREGS+1);
 #endif	/* LOW_LEVEL_TRACE */
diff --git a/C/index.c b/C/index.c
index 224174d64..6762e309d 100644
--- a/C/index.c
+++ b/C/index.c
@@ -4145,10 +4145,6 @@ ExpandIndex(PredEntry *ap) {
   if (Yap_Option['i' - 'a' + 1]) {
     Term tmod = ModuleName[ap->ModuleOfPred];
     Yap_DebugPutc(Yap_c_error_stream,'>');
-    {
-      extern long long unsigned int vsc_count;
-      fprintf(stderr,"%lld",vsc_count);
-    }
     Yap_DebugPutc(Yap_c_error_stream,'\t');
     Yap_plwrite(tmod, Yap_DebugPutc, 0);
     Yap_DebugPutc(Yap_c_error_stream,':');
diff --git a/H/absmi.h b/H/absmi.h
index 54e3dbba2..3f20e1e35 100644
--- a/H/absmi.h
+++ b/H/absmi.h
@@ -1537,5 +1537,5 @@ Yap_regtoregno(wamreg reg)
 	  } else if ((ap)->ModuleOfPred)\
 	    (DEPTH) -= MkIntConstant(2);
 #else
-#define check_depth(DEPTH)
+#define check_depth(DEPTH, ap)
 #endif