diff --git a/util/LLgen/src/main.c b/util/LLgen/src/main.c
index 1bd31aa46..11a5c26a8 100644
--- a/util/LLgen/src/main.c
+++ b/util/LLgen/src/main.c
@@ -37,12 +37,10 @@ extern		fatal();
 extern		comfatal();
 extern		copyfile();
 extern void install();
-extern char	*sbrk();
 
 main(argc,argv) register string	argv[]; {
 	register string arg;
 	string libpath();
-	char	*beg_sbrk = 0;
 
 	/* Initialize */
 
@@ -129,8 +127,6 @@ main(argc,argv) register string	argv[]; {
 		argc--;
 	}
 
-	if (verbose) beg_sbrk = sbrk(0);
-
 #ifdef NON_CORRECTING
 	if ((subpars_sim) && (!non_corr)) {
 	    fprintf(stderr,"option -s illegal without -n, turned off\n");
@@ -206,7 +202,6 @@ main(argc,argv) register string	argv[]; {
 		fprintf(stderr, "number of tokens: %d\n", ntokens);
 		fprintf(stderr, "number of term structures: %d\n", nterms);
 		fprintf(stderr, "number of alternation structures: %d\n", nalts);
-		fprintf(stderr, "total memory used: %ld\n", (long)(sbrk(0) - beg_sbrk));
 	}
 	exit(0);
 }
diff --git a/util/ncgg/main.c b/util/ncgg/main.c
index 330e08c98..dff1f4d54 100644
--- a/util/ncgg/main.c
+++ b/util/ncgg/main.c
@@ -11,8 +11,6 @@ static char rcsid[]= "$Id$";
 #include "extern.h"
 
 char *filename;
-char *beg_sbrk;
-extern char *sbrk();
 
 main(argc,argv) char **argv; {
 	extern int nerrors;
@@ -20,8 +18,6 @@ main(argc,argv) char **argv; {
 	extern int tabledebug;
 	extern int verbose;
 
-	beg_sbrk = sbrk(0);
-
 	while (argc >1 && argv[1][0]=='-') {
 		switch(argv[1][1]) {
 		case 'c':
diff --git a/util/ncgg/output.c b/util/ncgg/output.c
index 02e3162f7..7d85b9179 100644
--- a/util/ncgg/output.c
+++ b/util/ncgg/output.c
@@ -902,7 +902,6 @@ used(resource,use,max) char *resource; {
 }
 
 statistics() {
-	extern char *beg_sbrk,*sbrk();
 	extern int nnodes, maxempatlen,maxrule;
 
 	used("Registers",nregs,MAXREGS);
@@ -926,5 +925,4 @@ statistics() {
 	used("Pat bytes",npatbytes+1,MAXPATBYTES);
 	if (tabledebug)
 		used("Source lines",maxline,MAXSOURCELINES);
-	fprintf(stderr,"%ldK heap used\n",((long) (sbrk(0)-beg_sbrk+1023))/1024);
 }