diff --git a/demos/onetimeauth.c b/demos/onetimeauth.c
deleted file mode 100644
index e344dc64..00000000
--- a/demos/onetimeauth.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * GraxRabble
- * Demo programs for libsodium.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sodium.h> /* library header */
-
-#include "utils.h" /* utility functions shared by demos */
-
-/*
- * This method is only effective for a single use per key. The benefit is
- * the algorithm is quicker and output is half the size of auth. It is easy
- * to see how weak the algorithm is when you use a one letter key.
- *
- * Note that the same key must not be used more than once.
- */
-static int
-onetimeauth(void)
-{
-    unsigned char k[crypto_onetimeauth_KEYBYTES]; /* key */
-    unsigned char a[crypto_onetimeauth_BYTES];    /* authentication */
-    unsigned char m[MAX_INPUT_SIZE];              /* message */
-    size_t mlen;                                  /* message length */
-    int r;
-
-    puts("Example: crypto_onetimeauth\n");
-
-    /*
-     * Keys are entered as ascii values. The key is zeroed to
-     * maintain consistency. Input is read through a special
-     * function which reads exactly n bytes into a buffer to
-     * prevent buffer overflows.
-     */
-    memset(k, 0, sizeof k);
-    prompt_input("Input your key > ", (char*)k, sizeof k);
-    puts("Your key that you entered");
-    print_hex(k, sizeof k);
-    putchar('\n');
-
-    mlen = prompt_input("Input your message > ", (char*)m, sizeof m);
-    putchar('\n');
-
-    printf("Generating %s authentication...\n", crypto_onetimeauth_primitive());
-    crypto_onetimeauth(a, m, mlen, k);
-
-    puts("Format: authentication token::message");
-    print_hex(a, sizeof a);
-    fputs("::", stdout);
-    puts((const char*)m);
-    putchar('\n');
-
-    puts("Verifying authentication...");
-    r = crypto_onetimeauth_verify(a, m, mlen, k);
-    print_verification(r);
-
-    sodium_memzero(k, sizeof k); /* wipe sensitive data */
-    sodium_memzero(a, sizeof a);
-    sodium_memzero(m, sizeof m);
-    return r;
-}
-
-int
-main(void)
-{
-    init();
-
-    return onetimeauth() != 0;
-}