diff --git a/Makefile b/Makefile
index a46688a..dc3bd24 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CC?=clang
 YC?=yacc
 BIN=doas
 PREFIX?=/usr/local
-OBJECTS=doas.o env.o execvpe.o reallocarr.o y.tab.o
+OBJECTS=doas.o env.o execvpe.o y.tab.o
 CFLAG+= -DUSE_PAM
 LFLAG+= -lpam
 
@@ -18,9 +18,6 @@ execvpe.o: doas.h execvpe.c
 doas.o: doas.h doas.c parse.y
 	$(CC) $(CFLAG) -c doas.c
 
-reallocarr.o: reallocarr.c doas.h
-	$(CC) -c reallocarr.c
-
 y.tab.o: parse.y
 	$(YC) parse.y
 	$(CC) -c y.tab.c
diff --git a/env.c b/env.c
index 85449ac..2b795d7 100644
--- a/env.c
+++ b/env.c
@@ -95,7 +95,6 @@ flattenenv(struct env *env)
 	struct envnode *node;
 	u_int i;
 
-	// envp = reallocarray(NULL, env->count + 1, sizeof(char *));
         envp = realloc(NULL, (env->count + 1) * sizeof(char *));
 	if (!envp)
 		err(1, NULL);
diff --git a/parse.y b/parse.y
index a2e57b8..d1e8d47 100644
--- a/parse.y
+++ b/parse.y
@@ -130,7 +130,7 @@ envlist:	/* empty */ {
 			/* if (!($$.envlist = reallocarray($1.envlist, nenv + 2,
 			    sizeof(char *))))
                         */
-                        if (!($$.envlist = realloc($1.envlist, (nenv + 2) + sizeof(char*))))
+                        if (!($$.envlist = realloc($1.envlist, (nenv + 2) * sizeof(char*))))
 				errx(1, "can't allocate envlist");
 			$$.envlist[nenv] = $2.str;
 			$$.envlist[nenv + 1] = NULL;
diff --git a/reallocarr.c b/reallocarr.c
deleted file mode 100644
index 2def29a..0000000
--- a/reallocarr.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* NetBSD: reallocarr.c,v 1.2 2015/07/16 00:03:59 kamil Exp */
-
-/*-
- * Copyright (c) 2015 Joerg Sonnenberger <joerg@NetBSD.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
- * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <errno.h>
-/* Old POSIX has SIZE_MAX in limits.h */
-#include <limits.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "doas.h"
-
-#if !defined(HAVE_REALLOCARR) && !defined(HAVE_REALLOCARRAY)
-
-int
-reallocarr(void *ptr, size_t num, size_t size)
-{
-	int saved_errno, result;
-	void *optr;
-	void *nptr;
-
-	saved_errno = errno;
-	memcpy(&optr, ptr, sizeof(ptr));
-	if (num == 0 || size == 0) {
-		free(optr);
-		nptr = NULL;
-		memcpy(ptr, &nptr, sizeof(ptr));
-		errno = saved_errno;
-		return 0;
-	}
-	if ((num >= 65535 || size >= 65535) && num > SIZE_MAX / size)
-		return EOVERFLOW;
-	nptr = realloc(optr, num * size);
-	if (nptr == NULL) {
-		result = errno;
-	} else {
-		result = 0;
-		memcpy(ptr, &nptr, sizeof(ptr));
-	}
-	errno = saved_errno;
-	return result;
-}
-
-#endif