diff --git a/aes-32bit/aes.cpp b/aes-32bit/aes.cpp
index d41127a..5ab5990 100644
--- a/aes-32bit/aes.cpp
+++ b/aes-32bit/aes.cpp
@@ -41,31 +41,12 @@ const uint8_t rCon[12] = {
 /* AES state type */
 typedef uint32_t t_state[4];
 
-/* Helper functions */
 void hexprint16(uint8_t *p) {
     for (int i = 0; i < 16; i++)
         printf("%02hhx ", p[i]);
     puts("");
 }
 
-void hexprintw(uint32_t w) {
-    for (int i = 0; i < 32; i += 8)
-        printf("%02hhx ", (w >> i) & 0xffU);
-}
-
-void hexprintws(uint32_t * p, int cnt) {
-    for (int i = 0; i < cnt; i++)
-        hexprintw(p[i]);
-    puts("");
-}
-void printstate(t_state s) {
-    hexprintw(s[0]);
-    hexprintw(s[1]);
-    hexprintw(s[2]);
-    hexprintw(s[3]);
-    puts("");
-}
-
 uint32_t word(uint8_t a0, uint8_t a1, uint8_t a2, uint8_t a3) {
     return a0 | (uint32_t)a1 << 8 | (uint32_t)a2 << 16 | (uint32_t)a3 << 24;
 }
@@ -177,38 +158,22 @@ void aes(uint8_t *in, uint8_t *out, uint8_t *skey)
         state[i] = word(in[i * 4], in[i * 4 + 1], in[i * 4 + 2], in[i * 4 + 3]);
     }
 
-    printf("IN:  "); printstate(state);
-
     uint32_t expKey[11 * 4];
 
     expandKey(skey, expKey);
 
-    for (int i = 0; i < 11; i++) {
-        printf("K%02d: ", i);
-        hexprintws(expKey + 4 * i, 4);
-    }
-
     addRoundKey(state, expKey, 0);
-    printf("ARK: "); printstate(state);
 
     for (int i = 1; i <= 10; i++) {
         subBytes(state);
-        printf("SB:  ");
-        printstate(state);
 
         shiftRows(state);
-        printf("SR:  ");
-        printstate(state);
 
         if (i < 10) {
             mixColumns(state);
-            printf("MC:  ");
-            printstate(state);
         }
 
         addRoundKey(state, expKey, 4*i);
-        printf("ARK: ");
-        printstate(state);
     }
 
     for (int i = 0; i < 16; i++) {
@@ -348,13 +313,6 @@ int main(int argc, char* argv[])
         uint8_t out[16] = { 0, /*...*/ };
         uint8_t res_out[16] = { 0xa3, 0x3a, 0xca, 0x68, 0x72, 0xa2, 0x27, 0x74, 0xbf, 0x99, 0xf3, 0x71, 0xaa, 0x99, 0xd2, 0x5a };
 
-        printf("Key: ");
-        hexprint16(key);
-        puts("");
-        printf("In:  ");
-        hexprint16(in);
-        puts("");
-
         aes(in, out, key);
 
         printf("Out: ");