diff --git a/extmod/modtrezorcrypto/todo.txt b/extmod/modtrezorcrypto/todo.txt
deleted file mode 100644
index 758c7a85..00000000
--- a/extmod/modtrezorcrypto/todo.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-###trezor.crypto.aes
-
-AES_CTX = object # AES context
-
-def aes_encrypt_key128(key: bytes16, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_encrypt_key192(key: bytes24, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_encrypt_key256(key: bytes32, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_decrypt_key128(key: bytes16, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_decrypt_key192(key: bytes24, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_decrypt_key256(key: bytes32, iv: bytes16 = None) -> AES_CTX: # context
-
-def aes_ecb_encrypt(ctx: AES_CTX, data: bytes) -> bytes: # encrypted
-
-def aes_cbc_encrypt(ctx: AES_CTX, data: bytes) -> bytes: # encrypted
-
-def aes_cfb_encrypt(ctx: AES_CTX, data: bytes) -> bytes: # encrypted
-
-def aes_ofb_encrypt(ctx: AES_CTX, data: bytes) -> bytes: # encrypted
-
-def aes_ctr_encrypt(ctx: AES_CTX, data: bytes) -> bytes: # encrypted
-
-def aes_ecb_decrypt(ctx: AES_CTX, data: bytes) -> bytes: # decrypted
-
-def aes_cbc_decrypt(ctx: AES_CTX, data: bytes) -> bytes: # decrypted
-
-def aes_cfb_decrypt(ctx: AES_CTX, data: bytes) -> bytes: # decrypted
-
-def aes_ofb_decrypt(ctx: AES_CTX, data: bytes) -> bytes: # decrypted
-
-def aes_ctr_decrypt(ctx: AES_CTX, data: bytes) -> bytes: # decrypted
-
-###trezor.crypto.hd
-
-TODO