remove compat-2.x.h

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/docs/psa-transition.md b/docs/psa-transition.md
index 0758061..60878d9 100644
--- a/docs/psa-transition.md
+++ b/docs/psa-transition.md
@@ -115,7 +115,6 @@
 | `check_config.h` | N/A | No public APIs (internal support header) |
 | `cipher.h` | `mbedtls_cipher_` | [Symmetric encryption](#symmetric-encryption) |
 | `cmac.h` | `mbedtls_cipher_cmac_` | [Hashes and MAC](#hashes-and-mac), [MAC calculation](#mac-calculation) |
-| `compat-2.x.h` | various | None (transitional APIs) |
 | `config_psa.h` | N/A | No public APIs (internal support header) |
 | `constant_time.h` | `mbedtls_ct_` | [Constant-time functions](#constant-time-functions) |
 | `ctr_drbg.h` | `mbedtls_ctr_drbg_` | [Random generation interface](#random-generation-interface), [Deterministic pseudorandom generation](#deterministic-pseudorandom-generation) |
diff --git a/include/mbedtls/compat-2.x.h b/include/mbedtls/compat-2.x.h
deleted file mode 100644
index 096341b..0000000
--- a/include/mbedtls/compat-2.x.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * \file compat-2.x.h
- *
- * \brief Compatibility definitions
- *
- * \deprecated Use the new names directly instead
- */
-/*
- *  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- */
-
-#if defined(MBEDTLS_DEPRECATED_WARNING)
-#warning "Including compat-2.x.h is deprecated"
-#endif
-
-#ifndef MBEDTLS_COMPAT2X_H
-#define MBEDTLS_COMPAT2X_H
-
-/*
- * Macros for renamed functions
- */
-#define mbedtls_ctr_drbg_update_ret   mbedtls_ctr_drbg_update
-#define mbedtls_hmac_drbg_update_ret  mbedtls_hmac_drbg_update
-#define mbedtls_md5_starts_ret        mbedtls_md5_starts
-#define mbedtls_md5_update_ret        mbedtls_md5_update
-#define mbedtls_md5_finish_ret        mbedtls_md5_finish
-#define mbedtls_md5_ret               mbedtls_md5
-#define mbedtls_ripemd160_starts_ret  mbedtls_ripemd160_starts
-#define mbedtls_ripemd160_update_ret  mbedtls_ripemd160_update
-#define mbedtls_ripemd160_finish_ret  mbedtls_ripemd160_finish
-#define mbedtls_ripemd160_ret         mbedtls_ripemd160
-#define mbedtls_sha1_starts_ret       mbedtls_sha1_starts
-#define mbedtls_sha1_update_ret       mbedtls_sha1_update
-#define mbedtls_sha1_finish_ret       mbedtls_sha1_finish
-#define mbedtls_sha1_ret              mbedtls_sha1
-#define mbedtls_sha256_starts_ret     mbedtls_sha256_starts
-#define mbedtls_sha256_update_ret     mbedtls_sha256_update
-#define mbedtls_sha256_finish_ret     mbedtls_sha256_finish
-#define mbedtls_sha256_ret            mbedtls_sha256
-#define mbedtls_sha512_starts_ret     mbedtls_sha512_starts
-#define mbedtls_sha512_update_ret     mbedtls_sha512_update
-#define mbedtls_sha512_finish_ret     mbedtls_sha512_finish
-#define mbedtls_sha512_ret            mbedtls_sha512
-
-#endif /* MBEDTLS_COMPAT2X_H */