diff --git a/crypto/aes.c b/crypto/aes.c
index c765f11c1e..00e16d3f92 100644
--- a/crypto/aes.c
+++ b/crypto/aes.c
@@ -114,23 +114,9 @@ const uint8_t AES_isbox[256] = {
 /* AES ShiftRows, for complete unrolling. */
 #define AES_SH(X)   (((X) * 5) & 15)
 
-const uint8_t AES_shifts[16] = {
-    AES_SH(0x0), AES_SH(0x1), AES_SH(0x2), AES_SH(0x3),
-    AES_SH(0x4), AES_SH(0x5), AES_SH(0x6), AES_SH(0x7),
-    AES_SH(0x8), AES_SH(0x9), AES_SH(0xA), AES_SH(0xB),
-    AES_SH(0xC), AES_SH(0xD), AES_SH(0xE), AES_SH(0xF),
-};
-
 /* AES InvShiftRows, for complete unrolling. */
 #define AES_ISH(X)  (((X) * 13) & 15)
 
-const uint8_t AES_ishifts[16] = {
-    AES_ISH(0x0), AES_ISH(0x1), AES_ISH(0x2), AES_ISH(0x3),
-    AES_ISH(0x4), AES_ISH(0x5), AES_ISH(0x6), AES_ISH(0x7),
-    AES_ISH(0x8), AES_ISH(0x9), AES_ISH(0xA), AES_ISH(0xB),
-    AES_ISH(0xC), AES_ISH(0xD), AES_ISH(0xE), AES_ISH(0xF),
-};
-
 /*
  * MixColumns lookup table, for use with rot32.
  */
diff --git a/include/crypto/aes.h b/include/crypto/aes.h
index 24b073d569..aa8b54065d 100644
--- a/include/crypto/aes.h
+++ b/include/crypto/aes.h
@@ -30,10 +30,6 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
 extern const uint8_t AES_sbox[256];
 extern const uint8_t AES_isbox[256];
 
-/* AES ShiftRows and InvShiftRows */
-extern const uint8_t AES_shifts[16];
-extern const uint8_t AES_ishifts[16];
-
 /* AES MixColumns, for use with rot32. */
 extern const uint32_t AES_mc_rot[256];