diff --git a/src/aead.c b/src/aead.c
index f1c837c8..3196880a 100644
--- a/src/aead.c
+++ b/src/aead.c
@@ -128,18 +128,6 @@
  *
  */
 
-#ifdef DEBUG
-static void
-dump(char *tag, char *text, int len)
-{
-    int i;
-    printf("%s: ", tag);
-    for (i = 0; i < len; i++)
-        printf("0x%02x ", (uint8_t)text[i]);
-    printf("\n");
-}
-#endif
-
 const char *supported_aead_ciphers[AEAD_CIPHER_NUM] = {
     "aes-128-gcm",
     "aes-192-gcm",
@@ -356,7 +344,7 @@ aead_cipher_ctx_init(cipher_ctx_t *cipher_ctx, int method, int enc)
         FATAL("Cannot initialize mbed TLS cipher context");
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("KEY", (char *)cipher_ctx->cipher->key, cipher_ctx->cipher->key_len);
 #endif
 }
diff --git a/src/crypto.c b/src/crypto.c
index ab3ea2ca..8ad31943 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -323,7 +323,7 @@ crypto_parse_key(const char *base64, uint8_t *key, size_t key_len)
     out_len = base64_decode(out, base64, out_len);
     if (out_len > 0 && out_len >= key_len) {
         memcpy(key, out, key_len);
-#ifdef DEBUG
+#ifdef SS_DEBUG
         dump("KEY", (char*)key, key_len);
 #endif
         return key_len;
@@ -339,3 +339,15 @@ crypto_parse_key(const char *base64, uint8_t *key, size_t key_len)
     FATAL("Please use the key above or input a valid key");
     return key_len;
 }
+
+#ifdef SS_DEBUG
+void
+dump(char *tag, char *text, int len)
+{
+    int i;
+    printf("%s: ", tag);
+    for (i = 0; i < len; i++)
+        printf("0x%02x ", (uint8_t)text[i]);
+    printf("\n");
+}
+#endif
diff --git a/src/crypto.h b/src/crypto.h
index ee25e986..2bfad654 100644
--- a/src/crypto.h
+++ b/src/crypto.h
@@ -127,6 +127,9 @@ int crypto_hkdf_extract(const mbedtls_md_info_t *md, const unsigned char *salt,
 int crypto_hkdf_expand(const mbedtls_md_info_t *md, const unsigned char *prk,
                         int prk_len, const unsigned char *info, int info_len,
                         unsigned char *okm, int okm_len);
+#ifdef SS_DEBUG
+void dump(char *tag, char *text, int len);
+#endif
 
 extern struct cache *nonce_cache;
 extern const char *supported_stream_ciphers[];
diff --git a/src/stream.c b/src/stream.c
index e3883857..335deb61 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -133,19 +133,6 @@ crypto_stream_xor_ic(uint8_t *c, const uint8_t *m, uint64_t mlen,
     return 0;
 }
 
-#ifdef DEBUG
-void
-dump(char *tag, char *text, int len)
-{
-    int i;
-    printf("%s: ", tag);
-    for (i = 0; i < len; i++)
-        printf("0x%02x ", (uint8_t)text[i]);
-    printf("\n");
-}
-
-#endif
-
 int
 cipher_nonce_size(const cipher_t *cipher)
 {
@@ -285,7 +272,7 @@ cipher_ctx_set_nonce(cipher_ctx_t *cipher_ctx, uint8_t *nonce, size_t nonce_len,
         FATAL("Cannot finalize mbed TLS cipher context");
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("NONCE", (char *)nonce, nonce_len);
     dump("KEY", (char *)true_key, 32);
 #endif
@@ -335,7 +322,7 @@ stream_encrypt_all(buffer_t *plaintext, cipher_t *cipher, size_t capacity)
         return CRYPTO_ERROR;
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("PLAIN", plaintext->data, plaintext->len);
     dump("CIPHER", ciphertext->data + nonce_len, ciphertext->len);
     dump("NONCE", ciphertext->data, nonce_len);
@@ -406,7 +393,7 @@ stream_encrypt(buffer_t *plaintext, cipher_ctx_t *cipher_ctx, size_t capacity)
         }
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("PLAIN", plaintext->data, plaintext->len);
     dump("CIPHER", ciphertext->data + nonce_len, ciphertext->len);
 #endif
@@ -457,7 +444,7 @@ stream_decrypt_all(buffer_t *ciphertext, cipher_t *cipher, size_t capacity)
         return CRYPTO_ERROR;
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("PLAIN", plaintext->data, plaintext->len);
     dump("CIPHER", ciphertext->data + nonce_len, ciphertext->len - nonce_len);
     dump("NONCE", ciphertext->data, nonce_len);
@@ -562,7 +549,7 @@ stream_decrypt(buffer_t *ciphertext, cipher_ctx_t *cipher_ctx, size_t capacity)
         return CRYPTO_ERROR;
     }
 
-#ifdef DEBUG
+#ifdef SS_DEBUG
     dump("PLAIN", plaintext->data, plaintext->len);
     dump("CIPHER", ciphertext->data, ciphertext->len);
 #endif