diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c
index c7264bd9..80ec01a9 100644
--- a/src/crypto/slow-hash.c
+++ b/src/crypto/slow-hash.c
@@ -95,13 +95,12 @@ void cn_slow_hash(const void *data, size_t length, char *hash) {
   memcpy(text, state.init, INIT_SIZE_BYTE);
   memcpy(aes_key, state.hs.b, AES_KEY_SIZE);
   aes_ctx = oaes_alloc();
+
+  oaes_key_import_data(aes_ctx, aes_key, AES_KEY_SIZE);
   for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) {
-    for (j = 0; j < INIT_SIZE_BLK; j++) {
-      oaes_key_import_data(aes_ctx, aes_key, AES_KEY_SIZE);
+    for (j = 0; j < INIT_SIZE_BLK; j++) 
       oaes_pseudo_encrypt_ecb(aes_ctx, &text[AES_BLOCK_SIZE * j]);
-      /*memcpy(aes_key, &text[AES_BLOCK_SIZE * j], AES_KEY_SIZE);*/
-      memcpy(aes_key, state.hs.b, AES_KEY_SIZE);
-    }
+
     memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
   }
 
@@ -137,17 +136,15 @@ void cn_slow_hash(const void *data, size_t length, char *hash) {
   }
 
   memcpy(text, state.init, INIT_SIZE_BYTE);
+  oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
   for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) {
     for (j = 0; j < INIT_SIZE_BLK; j++) {
-      /*oaes_key_import_data(aes_ctx, &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE], AES_KEY_SIZE);*/
-      oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
       xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
       oaes_pseudo_encrypt_ecb(aes_ctx, &text[j * AES_BLOCK_SIZE]);
     }
   }
   memcpy(state.init, text, INIT_SIZE_BYTE);
   hash_permutation(&state.hs);
-  /*memcpy(hash, &state, 32);*/
   extra_hashes[state.hs.b[0] & 3](&state, 200, hash);
   oaes_free(&aes_ctx);
 }
diff --git a/src/cryptonote_core/cryptonote_format_utils.cpp b/src/cryptonote_core/cryptonote_format_utils.cpp
index aa2c82b2..5a2f9bdb 100644
--- a/src/cryptonote_core/cryptonote_format_utils.cpp
+++ b/src/cryptonote_core/cryptonote_format_utils.cpp
@@ -80,7 +80,7 @@ namespace cryptonote
 #endif
     block_reward += fee;
 
-    std::vector<size_t> out_amounts;
+    std::vector<uint64_t> out_amounts;
     decompose_amount_into_digits(block_reward, DEFAULT_FEE,
       [&out_amounts](uint64_t a_chunk) { out_amounts.push_back(a_chunk); },
       [&out_amounts](uint64_t a_dust) { out_amounts.push_back(a_dust); });
@@ -92,7 +92,7 @@ namespace cryptonote
       out_amounts.resize(out_amounts.size() - 1);
     }
 
-    size_t summary_amounts = 0;
+    uint64_t summary_amounts = 0;
     for (size_t no = 0; no < out_amounts.size(); no++)
     {
       crypto::key_derivation derivation = AUTO_VAL_INIT(derivation);;