diff --git a/usr.bin/yacc/closure.c b/usr.bin/yacc/closure.c
index 9b7ed80cfb5c..2aadb38e6a0c 100644
--- a/usr.bin/yacc/closure.c
+++ b/usr.bin/yacc/closure.c
@@ -149,7 +149,7 @@ set_first_derives(void)
     print_first_derives();
 #endif
 
-    FREE(EFF);
+    free(EFF);
 }
 
 
@@ -224,9 +224,9 @@ closure(short *nucleus, int n)
 void
 finalize_closure(void)
 {
-  FREE(itemset);
-  FREE(ruleset);
-  FREE(first_derives + ntokens * WORDSIZE(nrules));
+  free(itemset);
+  free(ruleset);
+  free(first_derives + ntokens * WORDSIZE(nrules));
 }
 
 
diff --git a/usr.bin/yacc/defs.h b/usr.bin/yacc/defs.h
index 772e9129caaa..2fdac73ed13b 100644
--- a/usr.bin/yacc/defs.h
+++ b/usr.bin/yacc/defs.h
@@ -133,12 +133,8 @@
 
 /*  storage allocation macros  */
 
-#define CALLOC(k,n)	(calloc((unsigned)(k),(unsigned)(n)))
-#define	FREE(x)		(free((char*)(x)))
-#define MALLOC(n)	(malloc((unsigned)(n)))
 #define	NEW(t)		((t*)allocate(sizeof(t)))
-#define	NEW2(n,t)	((t*)allocate((unsigned)((n)*sizeof(t))))
-#define REALLOC(p,n)	(realloc((char*)(p),(unsigned)(n)))
+#define	NEW2(n,t)	((t*)allocate((n)*sizeof(t)))
 
 
 /*  the structure of a symbol table entry  */
@@ -304,7 +300,7 @@ extern short final_state;
 
 /* global functions */
 
-char *allocate(unsigned);
+void *allocate(size_t);
 void closure(short *, int);
 void create_symbol_table(void);
 void default_action_warning(void);
diff --git a/usr.bin/yacc/lalr.c b/usr.bin/yacc/lalr.c
index 21bae484963d..1b62237e5022 100644
--- a/usr.bin/yacc/lalr.c
+++ b/usr.bin/yacc/lalr.c
@@ -293,7 +293,7 @@ set_goto_map(void)
 	}
     }
 
-  FREE(temp_map + ntokens);
+  free(temp_map + ntokens);
 }
 
 
@@ -396,11 +396,11 @@ initialize_F(void)
   for (i = 0; i < ngotos; i++)
     {
       if (reads[i])
-	FREE(reads[i]);
+	free(reads[i]);
     }
 
-  FREE(reads);
-  FREE(edge);
+  free(reads);
+  free(edge);
 }
 
 
@@ -487,14 +487,14 @@ build_relations(void)
 
   for (i = 0; i < ngotos; i++)
     if (includes[i])
-      FREE(includes[i]);
+      free(includes[i]);
 
-  FREE(includes);
+  free(includes);
 
   includes = new_includes;
 
-  FREE(edge);
-  FREE(states);
+  free(edge);
+  free(states);
 }
 
 
@@ -562,7 +562,7 @@ transpose(short **R, int n)
 	}
     }
 
-  FREE(nedges);
+  free(nedges);
 
   for (i = 0; i < n; i++)
     {
@@ -574,7 +574,7 @@ transpose(short **R, int n)
 	}
     }
 
-  FREE(temp_R);
+  free(temp_R);
 
   return (new_R);
 }
@@ -615,11 +615,11 @@ compute_lookaheads(void)
     for (sp = lookback[i]; sp; sp = next)
       {
         next = sp->next;
-        FREE(sp);
+        free(sp);
       }
 
-  FREE(lookback);
-  FREE(F);
+  free(lookback);
+  free(F);
 }
 
 
@@ -642,8 +642,8 @@ digraph(short **relation)
 	traverse(i, relation);
     }
 
-  FREE(INDEX);
-  FREE(VERTICES);
+  free(INDEX);
+  free(VERTICES);
 }
 
 
diff --git a/usr.bin/yacc/lr0.c b/usr.bin/yacc/lr0.c
index e092bfb5e4d6..a8035e657b27 100644
--- a/usr.bin/yacc/lr0.c
+++ b/usr.bin/yacc/lr0.c
@@ -176,13 +176,13 @@ append_states(void)
 static void
 free_storage(void)
 {
-    FREE(shift_symbol);
-    FREE(redset);
-    FREE(shiftset);
-    FREE(kernel_base);
-    FREE(kernel_end);
-    FREE(kernel_items);
-    FREE(state_set);
+    free(shift_symbol);
+    free(redset);
+    free(shiftset);
+    free(kernel_base);
+    free(kernel_end);
+    free(kernel_items);
+    free(state_set);
 }
 
 
@@ -290,7 +290,7 @@ initialize_states(void)
     for (i = 0; start_derives[i] >= 0; ++i)
 	continue;
 
-    p = (core *) MALLOC(sizeof(core) + i*sizeof(short));
+    p = malloc(sizeof(core) + i*sizeof(short));
     if (p == 0) no_space();
 
     p->next = 0;
@@ -579,8 +579,8 @@ set_derives(void)
 #if 0
 free_derives()
 {
-    FREE(derives[start_symbol]);
-    FREE(derives);
+    free(derives[start_symbol]);
+    free(derives);
 }
 #endif
 
@@ -615,7 +615,7 @@ set_nullable(void)
     int empty;
     int done1;
 
-    nullable = MALLOC(nsyms);
+    nullable = malloc(nsyms);
     if (nullable == 0) no_space();
 
     for (i = 0; i < nsyms; ++i)
@@ -661,7 +661,7 @@ set_nullable(void)
 #if 0
 free_nullable(void)
 {
-    FREE(nullable);
+    free(nullable);
 }
 #endif
 
diff --git a/usr.bin/yacc/main.c b/usr.bin/yacc/main.c
index d01d6bf6610a..96924c18dc33 100644
--- a/usr.bin/yacc/main.c
+++ b/usr.bin/yacc/main.c
@@ -216,15 +216,15 @@ getargs(int argc, char *argv[])
 }
 
 
-char *
-allocate(unsigned n)
+void *
+allocate(size_t n)
 {
-    char *p;
+    void *p;
 
     p = NULL;
     if (n)
     {
-	p = CALLOC(1, n);
+	p = calloc(1, n);
 	if (!p) no_space();
     }
     return (p);
@@ -245,11 +245,11 @@ create_file_names(void)
     if (len && tmpdir[len-1] != '/')
 	++i;
 
-    action_file_name = MALLOC(i);
+    action_file_name = malloc(i);
     if (action_file_name == 0) no_space();
-    text_file_name = MALLOC(i);
+    text_file_name = malloc(i);
     if (text_file_name == 0) no_space();
-    union_file_name = MALLOC(i);
+    union_file_name = malloc(i);
     if (union_file_name == 0) no_space();
 
     strcpy(action_file_name, tmpdir);
@@ -280,7 +280,7 @@ create_file_names(void)
     else
     {
 	len = strlen(file_prefix);
-	output_file_name = MALLOC(len + 7);
+	output_file_name = malloc(len + 7);
 	if (output_file_name == 0)
 	    no_space();
 	strcpy(output_file_name, file_prefix);
@@ -289,7 +289,7 @@ create_file_names(void)
 
     if (rflag)
     {
-	code_file_name = MALLOC(len + 8);
+	code_file_name = malloc(len + 8);
 	if (code_file_name == 0)
 	    no_space();
 	strcpy(code_file_name, file_prefix);
@@ -314,7 +314,7 @@ create_file_names(void)
 
     if (dflag)
     {
-	defines_file_name = MALLOC(len + 7);
+	defines_file_name = malloc(len + 7);
 	if (defines_file_name == 0)
 	    no_space();
 	strcpy(defines_file_name, file_prefix);
@@ -332,7 +332,7 @@ create_file_names(void)
 
     if (vflag)
     {
-	verbose_file_name = MALLOC(len + 8);
+	verbose_file_name = malloc(len + 8);
 	if (verbose_file_name == 0)
 	    no_space();
 	strcpy(verbose_file_name, file_prefix);
diff --git a/usr.bin/yacc/mkpar.c b/usr.bin/yacc/mkpar.c
index 282b6a1584fa..8e897a2135e2 100644
--- a/usr.bin/yacc/mkpar.c
+++ b/usr.bin/yacc/mkpar.c
@@ -221,7 +221,7 @@ unused_rules(void)
     int i;
     action *p;
 
-    rules_used = (short *) MALLOC(nrules*sizeof(short));
+    rules_used = malloc(nrules*sizeof(short));
     if (rules_used == 0) no_space();
 
     for (i = 0; i < nrules; ++i)
@@ -391,7 +391,7 @@ free_action_row(action *p)
   while (p)
     {
       q = p->next;
-      FREE(p);
+      free(p);
       p = q;
     }
 }
@@ -404,5 +404,5 @@ free_parser(void)
   for (i = 0; i < nstates; i++)
     free_action_row(parser[i]);
 
-  FREE(parser);
+  free(parser);
 }
diff --git a/usr.bin/yacc/output.c b/usr.bin/yacc/output.c
index b4839609967a..0e1a9ed3629f 100644
--- a/usr.bin/yacc/output.c
+++ b/usr.bin/yacc/output.c
@@ -270,15 +270,15 @@ output_actions(void)
     width = NEW2(nvectors, short);
 
     token_actions();
-    FREE(lookaheads);
-    FREE(LA);
-    FREE(LAruleno);
-    FREE(accessing_symbol);
+    free(lookaheads);
+    free(LA);
+    free(LAruleno);
+    free(accessing_symbol);
 
     goto_actions();
-    FREE(goto_map + ntokens);
-    FREE(from_state);
-    FREE(to_state);
+    free(goto_map + ntokens);
+    free(from_state);
+    free(to_state);
 
     sort_actions();
     pack_table();
@@ -370,7 +370,7 @@ token_actions(void)
 	    }
 	}
     }
-    FREE(actionrow);
+    free(actionrow);
 }
 
 static void
@@ -403,7 +403,7 @@ goto_actions(void)
 
     if (!rflag) outline += 2;
     fprintf(output_file, "\n};\n");
-    FREE(state_count);
+    free(state_count);
 }
 
 static int
@@ -555,14 +555,14 @@ pack_table(void)
     for (i = 0; i < nvectors; i++)
     {
 	if (froms[i])
-	    FREE(froms[i]);
+	    free(froms[i]);
 	if (tos[i])
-	    FREE(tos[i]);
+	    free(tos[i]);
     }
 
-    FREE(froms);
-    FREE(tos);
-    FREE(pos);
+    free(froms);
+    free(tos);
+    free(pos);
 }
 
 
@@ -762,7 +762,7 @@ output_base(void)
 
     if (!rflag) outline += 2;
     fprintf(output_file, "\n};\n");
-    FREE(base);
+    free(base);
 }
 
 
@@ -795,7 +795,7 @@ output_table(void)
 
     if (!rflag) outline += 2;
     fprintf(output_file, "\n};\n");
-    FREE(table);
+    free(table);
 }
 
 
@@ -826,7 +826,7 @@ output_check(void)
 
     if (!rflag) outline += 2;
     fprintf(output_file, "\n};\n");
-    FREE(check);
+    free(check);
 }
 
 
@@ -972,7 +972,7 @@ output_debug(void)
     ++outline;
     fprintf(code_file, "#define YYMAXTOKEN %d\n", max);
 
-    symnam = (char **) MALLOC((max+1)*sizeof(char *));
+    symnam = malloc((max+1)*sizeof(char *));
     if (symnam == 0) no_space();
 
     /* Note that it is  not necessary to initialize the element		*/
@@ -1108,7 +1108,7 @@ output_debug(void)
     }
     if (!rflag) outline += 2;
     fprintf(output_file, "\n};\n");
-    FREE(symnam);
+    free(symnam);
 
     if (!rflag) ++outline;
     fprintf(output_file, "const char * const %srule[] = {\n", symbol_prefix);
@@ -1278,11 +1278,11 @@ free_itemsets(void)
 {
     core *cp, *next;
 
-    FREE(state_table);
+    free(state_table);
     for (cp = first_state; cp; cp = next)
     {
 	next = cp->next;
-	FREE(cp);
+	free(cp);
     }
 }
 
@@ -1292,11 +1292,11 @@ free_shifts(void)
 {
     shifts *sp, *next;
 
-    FREE(shift_table);
+    free(shift_table);
     for (sp = first_shift; sp; sp = next)
     {
 	next = sp->next;
-	FREE(sp);
+	free(sp);
     }
 }
 
@@ -1307,11 +1307,11 @@ free_reductions(void)
 {
     reductions *rp, *next;
 
-    FREE(reduction_table);
+    free(reduction_table);
     for (rp = first_reduction; rp; rp = next)
     {
 	next = rp->next;
-	FREE(rp);
+	free(rp);
     }
 }
 
@@ -1332,9 +1332,9 @@ increase_maxtable(int loc)
     newmax = maxtable;
 
     do { newmax += 200; } while (newmax <= loc);
-    table = (short *) REALLOC(table, newmax*sizeof(short));
+    table = realloc(table, newmax*sizeof(short));
 	if (table == 0) no_space();
-	check = (short *) REALLOC(check, newmax*sizeof(short));
+	check = realloc(check, newmax*sizeof(short));
 	if (check == 0) no_space();
 	for (l  = maxtable; l < newmax; ++l)
 	{
diff --git a/usr.bin/yacc/reader.c b/usr.bin/yacc/reader.c
index c97098dd22c2..73178741639f 100644
--- a/usr.bin/yacc/reader.c
+++ b/usr.bin/yacc/reader.c
@@ -126,7 +126,7 @@ cachec(int c)
     if (cinc >= cache_size)
     {
 	cache_size += 256;
-	cache = REALLOC(cache, cache_size);
+	cache = realloc(cache, cache_size);
 	if (cache == 0) no_space();
     }
     cache[cinc] = c;
@@ -143,7 +143,7 @@ get_line(void)
 
     if (saw_eof || (c = getc(f)) == EOF)
     {
-	if (line) { FREE(line); line = 0; }
+	if (line) { free(line); line = 0; }
 	cptr = 0;
 	saw_eof = 1;
 	return;
@@ -151,9 +151,9 @@ get_line(void)
 
     if (line == 0 || linesize != (LINESIZE + 1))
     {
-	if (line) FREE(line);
+	if (line) free(line);
 	linesize = LINESIZE + 1;
-	line = MALLOC(linesize);
+	line = malloc(linesize);
 	if (line == 0) no_space();
     }
 
@@ -166,7 +166,7 @@ get_line(void)
 	if (++i >= linesize)
 	{
 	    linesize += LINESIZE;
-	    line = REALLOC(line, linesize);
+	    line = realloc(line, linesize);
 	    if (line ==  0) no_space();
 	}
 	c = getc(f);
@@ -189,7 +189,7 @@ dup_line(void)
     if (line == 0) return (0);
     s = line;
     while (*s != '\n') ++s;
-    p = MALLOC(s - line + 1);
+    p = malloc(s - line + 1);
     if (p == 0) no_space();
 
     s = line;
@@ -214,7 +214,7 @@ skip_comment(void)
 	if (*s == '*' && s[1] == '/')
 	{
 	    cptr = s + 2;
-	    FREE(st_line);
+	    free(st_line);
 	    return;
 	}
 	if (*s == '\n')
@@ -435,7 +435,7 @@ copy_text(void)
 		if (c == quote)
 		{
 		    need_newline = 1;
-		    FREE(s_line);
+		    free(s_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -487,7 +487,7 @@ copy_text(void)
 		{
 		    putc('/', f);
 		    ++cptr;
-		    FREE(c_line);
+		    free(c_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -507,7 +507,7 @@ copy_text(void)
 	{
 	    if (need_newline) putc('\n', f);
 	    ++cptr;
-	    FREE(t_line);
+	    free(t_line);
 	    return;
 	}
 	/* FALLTHROUGH */
@@ -560,7 +560,7 @@ copy_union(void)
 	if (--depth == 0)
 	{
 	    fprintf(text_file, " YYSTYPE;\n");
-	    FREE(u_line);
+	    free(u_line);
 	    return;
 	}
 	goto loop;
@@ -580,7 +580,7 @@ copy_union(void)
 		if (dflag) putc(c, union_file);
 		if (c == quote)
 		{
-		    FREE(s_line);
+		    free(s_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -642,7 +642,7 @@ copy_union(void)
 		    putc('/', text_file);
 		    if (dflag) putc('/', union_file);
 		    ++cptr;
-		    FREE(c_line);
+		    free(c_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -751,10 +751,10 @@ get_literal(void)
 	}
 	cachec(c);
     }
-    FREE(s_line);
+    free(s_line);
 
     n = cinc;
-    s = MALLOC(n);
+    s = malloc(n);
     if (s == 0) no_space();
 
     for (i = 0; i < n; ++i)
@@ -807,7 +807,7 @@ get_literal(void)
     bp->class = TERM;
     if (n == 1 && bp->value == UNDEFINED)
 	bp->value = *(unsigned char *)s;
-    FREE(s);
+    free(s);
 
     return (bp);
 }
@@ -900,17 +900,17 @@ get_tag(void)
     {
 	tagmax += 16;
 	tag_table = (char **)
-			(tag_table ? REALLOC(tag_table, tagmax*sizeof(char *))
-				   : MALLOC(tagmax*sizeof(char *)));
+			(tag_table ? realloc(tag_table, tagmax*sizeof(char *))
+				   : malloc(tagmax*sizeof(char *)));
 	if (tag_table == 0) no_space();
     }
 
-    s = MALLOC(cinc);
+    s = malloc(cinc);
     if  (s == 0) no_space();
     strcpy(s, cache);
     tag_table[ntags] = s;
     ++ntags;
-    FREE(t_line);
+    free(t_line);
     return (s);
 }
 
@@ -1075,7 +1075,7 @@ read_declarations(void)
     int c, k;
 
     cache_size = 256;
-    cache = MALLOC(cache_size);
+    cache = malloc(cache_size);
     if (cache == 0) no_space();
 
     for (;;)
@@ -1128,7 +1128,7 @@ initialize_grammar(void)
 {
     nitems = 4;
     maxitems = 300;
-    pitem = (bucket **) MALLOC(maxitems*sizeof(bucket *));
+    pitem = malloc(maxitems*sizeof(bucket *));
     if (pitem == 0) no_space();
     pitem[0] = 0;
     pitem[1] = 0;
@@ -1137,17 +1137,17 @@ initialize_grammar(void)
 
     nrules = 3;
     maxrules = 100;
-    plhs = (bucket **) MALLOC(maxrules*sizeof(bucket *));
+    plhs = malloc(maxrules*sizeof(bucket *));
     if (plhs == 0) no_space();
     plhs[0] = 0;
     plhs[1] = 0;
     plhs[2] = 0;
-    rprec = (short *) MALLOC(maxrules*sizeof(short));
+    rprec = malloc(maxrules*sizeof(short));
     if (rprec == 0) no_space();
     rprec[0] = 0;
     rprec[1] = 0;
     rprec[2] = 0;
-    rassoc = (char *) MALLOC(maxrules*sizeof(char));
+    rassoc = malloc(maxrules*sizeof(char));
     if (rassoc == 0) no_space();
     rassoc[0] = TOKEN;
     rassoc[1] = TOKEN;
@@ -1159,7 +1159,7 @@ static void
 expand_items(void)
 {
     maxitems += 300;
-    pitem = (bucket **) REALLOC(pitem, maxitems*sizeof(bucket *));
+    pitem = realloc(pitem, maxitems*sizeof(bucket *));
     if (pitem == 0) no_space();
 }
 
@@ -1168,11 +1168,11 @@ static void
 expand_rules(void)
 {
     maxrules += 100;
-    plhs = (bucket **) REALLOC(plhs, maxrules*sizeof(bucket *));
+    plhs = realloc(plhs, maxrules*sizeof(bucket *));
     if (plhs == 0) no_space();
-    rprec = (short *) REALLOC(rprec, maxrules*sizeof(short));
+    rprec = realloc(rprec, maxrules*sizeof(short));
     if (rprec == 0) no_space();
-    rassoc = (char *) REALLOC(rassoc, maxrules*sizeof(char));
+    rassoc = realloc(rassoc, maxrules*sizeof(char));
     if (rassoc == 0) no_space();
 }
 
@@ -1367,7 +1367,7 @@ copy_action(void)
 	    {
 		fprintf(f, "yyval.%s", tag);
 		++cptr;
-		FREE(d_line);
+		free(d_line);
 		goto loop;
 	    }
 	    else if (isdigit(c))
@@ -1375,7 +1375,7 @@ copy_action(void)
 		i = get_number();
 		if (i > n) dollar_warning(d_lineno, i);
 		fprintf(f, "yyvsp[%d].%s", i - n, tag);
-		FREE(d_line);
+		free(d_line);
 		goto loop;
 	    }
 	    else if (c == '-' && isdigit(cptr[1]))
@@ -1383,7 +1383,7 @@ copy_action(void)
 		++cptr;
 		i = -get_number() - n;
 		fprintf(f, "yyvsp[%d].%s", i, tag);
-		FREE(d_line);
+		free(d_line);
 		goto loop;
 	    }
 	    else
@@ -1479,7 +1479,7 @@ copy_action(void)
 		putc(c, f);
 		if (c == quote)
 		{
-		    FREE(s_line);
+		    free(s_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -1529,7 +1529,7 @@ copy_action(void)
 		{
 		    putc('/', f);
 		    ++cptr;
-		    FREE(c_line);
+		    free(c_line);
 		    goto loop;
 		}
 		if (c == '\n')
@@ -1636,9 +1636,9 @@ free_tags(void)
     for (i = 0; i < ntags; ++i)
     {
 	assert(tag_table[i]);
-	FREE(tag_table[i]);
+	free(tag_table[i]);
     }
-    FREE(tag_table);
+    free(tag_table);
 }
 
 
@@ -1651,7 +1651,7 @@ pack_names(void)
     name_pool_size = 13;  /* 13 == sizeof("$end") + sizeof("$accept") */
     for (bp = first_symbol; bp; bp = bp->next)
 	name_pool_size += strlen(bp->name) + 1;
-    name_pool = MALLOC(name_pool_size);
+    name_pool = malloc(name_pool_size);
     if (name_pool == 0) no_space();
 
     strcpy(name_pool, "$accept");
@@ -1662,7 +1662,7 @@ pack_names(void)
 	p = t;
 	s = bp->name;
 	while ((*t++ = *s++)) continue;
-	FREE(bp->name);
+	free(bp->name);
 	bp->name = p;
     }
 }
@@ -1704,16 +1704,16 @@ pack_symbols(void)
     start_symbol = ntokens;
     nvars = nsyms - ntokens;
 
-    symbol_name = (char **) MALLOC(nsyms*sizeof(char *));
+    symbol_name = malloc(nsyms*sizeof(char *));
     if (symbol_name == 0) no_space();
-    symbol_value = (short *) MALLOC(nsyms*sizeof(short));
+    symbol_value = malloc(nsyms*sizeof(short));
     if (symbol_value == 0) no_space();
-    symbol_prec = (short *) MALLOC(nsyms*sizeof(short));
+    symbol_prec = malloc(nsyms*sizeof(short));
     if (symbol_prec == 0) no_space();
-    symbol_assoc = MALLOC(nsyms);
+    symbol_assoc = malloc(nsyms);
     if (symbol_assoc == 0) no_space();
 
-    v = (bucket **) MALLOC(nsyms*sizeof(bucket *));
+    v = malloc(nsyms*sizeof(bucket *));
     if (v == 0) no_space();
 
     v[0] = 0;
@@ -1808,7 +1808,7 @@ pack_symbols(void)
 	symbol_assoc[k] = v[i]->assoc;
     }
 
-    FREE(v);
+    free(v);
 }
 
 
@@ -1818,15 +1818,15 @@ pack_grammar(void)
     int i, j;
     int assoc, preced;
 
-    ritem = (short *) MALLOC(nitems*sizeof(short));
+    ritem = malloc(nitems*sizeof(short));
     if (ritem == 0) no_space();
-    rlhs = (short *) MALLOC(nrules*sizeof(short));
+    rlhs = malloc(nrules*sizeof(short));
     if (rlhs == 0) no_space();
-    rrhs = (short *) MALLOC((nrules+1)*sizeof(short));
+    rrhs = malloc((nrules+1)*sizeof(short));
     if (rrhs == 0) no_space();
-    rprec = (short *) REALLOC(rprec, nrules*sizeof(short));
+    rprec = realloc(rprec, nrules*sizeof(short));
     if (rprec == 0) no_space();
-    rassoc = REALLOC(rassoc, nrules);
+    rassoc = realloc(rassoc, nrules);
     if (rassoc == 0) no_space();
 
     ritem[0] = -1;
@@ -1867,8 +1867,8 @@ pack_grammar(void)
     }
     rrhs[i] = j;
 
-    FREE(plhs);
-    FREE(pitem);
+    free(plhs);
+    free(pitem);
 }
 
 
diff --git a/usr.bin/yacc/skeleton.c b/usr.bin/yacc/skeleton.c
index 4ea78c72a2ef..38f063b42077 100644
--- a/usr.bin/yacc/skeleton.c
+++ b/usr.bin/yacc/skeleton.c
@@ -157,14 +157,14 @@ const char *body[] =
     "    else if ((newsize *= 2) > YYMAXDEPTH)",
     "        newsize = YYMAXDEPTH;",
     "    i = yyssp - yyss;",
-    "    newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :",
-    "      (short *)malloc(newsize * sizeof *newss);",
+    "    newss = yyss ? realloc(yyss, newsize * sizeof *newss) :",
+    "      malloc(newsize * sizeof *newss);",
     "    if (newss == NULL)",
     "        return -1;",
     "    yyss = newss;",
     "    yyssp = newss + i;",
-    "    newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :",
-    "      (YYSTYPE *)malloc(newsize * sizeof *newvs);",
+    "    newvs = yyvs ? realloc(yyvs, newsize * sizeof *newvs) :",
+    "      malloc(newsize * sizeof *newvs);",
     "    if (newvs == NULL)",
     "        return -1;",
     "    yyvs = newvs;",
diff --git a/usr.bin/yacc/symtab.c b/usr.bin/yacc/symtab.c
index a914527ac659..05a8d660e5b7 100644
--- a/usr.bin/yacc/symtab.c
+++ b/usr.bin/yacc/symtab.c
@@ -81,11 +81,11 @@ make_bucket(const char *name)
     bucket *bp;
 
     assert(name);
-    bp = (bucket *) MALLOC(sizeof(bucket));
+    bp = malloc(sizeof(bucket));
     if (bp == 0) no_space();
     bp->link = 0;
     bp->next = 0;
-    bp->name = MALLOC(strlen(name) + 1);
+    bp->name = malloc(strlen(name) + 1);
     if (bp->name == 0) no_space();
     bp->tag = 0;
     bp->value = UNDEFINED;
@@ -130,7 +130,7 @@ create_symbol_table(void)
     int i;
     bucket *bp;
 
-    symbol_table = (bucket **) MALLOC(TABLE_SIZE*sizeof(bucket *));
+    symbol_table = malloc(TABLE_SIZE*sizeof(bucket *));
     if (symbol_table == 0) no_space();
     for (i = 0; i < TABLE_SIZE; i++)
 	symbol_table[i] = 0;
@@ -148,7 +148,7 @@ create_symbol_table(void)
 void
 free_symbol_table(void)
 {
-    FREE(symbol_table);
+    free(symbol_table);
     symbol_table = 0;
 }
 
@@ -161,6 +161,6 @@ free_symbols(void)
     for (p = first_symbol; p; p = q)
     {
 	q = p->next;
-	FREE(p);
+	free(p);
     }
 }
diff --git a/usr.bin/yacc/verbose.c b/usr.bin/yacc/verbose.c
index a80e6e0553de..3eeae4004726 100644
--- a/usr.bin/yacc/verbose.c
+++ b/usr.bin/yacc/verbose.c
@@ -66,12 +66,12 @@ verbose(void)
 
     if (!vflag) return;
 
-    null_rules = (short *) MALLOC(nrules*sizeof(short));
+    null_rules = malloc(nrules*sizeof(short));
     if (null_rules == 0) no_space();
     fprintf(verbose_file, "\f\n");
     for (i = 0; i < nstates; i++)
 	print_state(i);
-    FREE(null_rules);
+    free(null_rules);
 
     if (nunused)
 	log_unused();