diff --git a/src/crypto/oaes_lib.c b/src/crypto/oaes_lib.c
index 126f0a2f6..96f038600 100644
--- a/src/crypto/oaes_lib.c
+++ b/src/crypto/oaes_lib.c
@@ -64,30 +64,6 @@ static const char _NR[] = {
 # define min(a,b) (((a)<(b)) ? (a) : (b))
 #endif /* min */
 
-typedef struct _oaes_key
-{
-	size_t data_len;
-	uint8_t *data;
-	size_t exp_data_len;
-	uint8_t *exp_data;
-	size_t num_keys;
-	size_t key_base;
-} oaes_key;
-
-typedef struct _oaes_ctx
-{
-#ifdef OAES_HAVE_ISAAC
-  randctx * rctx;
-#endif // OAES_HAVE_ISAAC
-
-#ifdef OAES_DEBUG
-	oaes_step_cb step_cb;
-#endif // OAES_DEBUG
-
-	oaes_key * key;
-	OAES_OPTION options;
-	uint8_t iv[OAES_BLOCK_SIZE];
-} oaes_ctx;
 
 // "OAES<8-bit header version><8-bit type><16-bit options><8-bit flags><56-bit reserved>"
 static uint8_t oaes_header[OAES_BLOCK_SIZE] = {