diff --git a/library/psa_crypto_hash.h b/library/psa_crypto_hash.h
index 57dadc3..ed528ab 100644
--- a/library/psa_crypto_hash.h
+++ b/library/psa_crypto_hash.h
@@ -271,4 +271,45 @@
 psa_status_t mbedtls_psa_hash_abort(
     mbedtls_psa_hash_operation_t *operation );
 
+/*
+ * BEYOND THIS POINT, TEST DRIVER ENTRY POINTS ONLY.
+ */
+
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+typedef struct {
+    mbedtls_psa_hash_operation_t operation;
+} test_transparent_hash_operation_t;
+
+psa_status_t test_transparent_hash_compute(
+    psa_algorithm_t alg,
+    const uint8_t *input,
+    size_t input_length,
+    uint8_t *hash,
+    size_t hash_size,
+    size_t *hash_length);
+
+psa_status_t test_transparent_hash_setup(
+    test_transparent_hash_operation_t *operation,
+    psa_algorithm_t alg );
+
+psa_status_t test_transparent_hash_clone(
+    const test_transparent_hash_operation_t *source_operation,
+    test_transparent_hash_operation_t *target_operation );
+
+psa_status_t test_transparent_hash_update(
+    test_transparent_hash_operation_t *operation,
+    const uint8_t *input,
+    size_t input_length );
+
+psa_status_t test_transparent_hash_finish(
+    test_transparent_hash_operation_t *operation,
+    uint8_t *hash,
+    size_t hash_size,
+    size_t *hash_length );
+
+psa_status_t test_transparent_hash_abort(
+    test_transparent_hash_operation_t *operation );
+
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+
 #endif /* PSA_CRYPTO_HASH_H */
diff --git a/tests/include/test/drivers/hash.h b/tests/include/test/drivers/hash.h
deleted file mode 100644
index 45c770c..0000000
--- a/tests/include/test/drivers/hash.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Test driver for hash functions
- */
-/*  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-#ifndef PSA_CRYPTO_TEST_DRIVERS_HASH_H
-#define PSA_CRYPTO_TEST_DRIVERS_HASH_H
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-/* Include path is relative to the tests/include folder, which is the base
- * include path for including this (hash.h) test driver header. */
-#include "../../library/psa_crypto_hash.h"
-
-typedef struct {
-    mbedtls_psa_hash_operation_t operation;
-} test_transparent_hash_operation_t;
-
-psa_status_t test_transparent_hash_compute(
-    psa_algorithm_t alg,
-    const uint8_t *input,
-    size_t input_length,
-    uint8_t *hash,
-    size_t hash_size,
-    size_t *hash_length);
-
-psa_status_t test_transparent_hash_setup(
-    test_transparent_hash_operation_t *operation,
-    psa_algorithm_t alg );
-
-psa_status_t test_transparent_hash_clone(
-    const test_transparent_hash_operation_t *source_operation,
-    test_transparent_hash_operation_t *target_operation );
-
-psa_status_t test_transparent_hash_update(
-    test_transparent_hash_operation_t *operation,
-    const uint8_t *input,
-    size_t input_length );
-
-psa_status_t test_transparent_hash_finish(
-    test_transparent_hash_operation_t *operation,
-    uint8_t *hash,
-    size_t hash_size,
-    size_t *hash_length );
-
-psa_status_t test_transparent_hash_abort(
-    test_transparent_hash_operation_t *operation );
-
-#endif /* PSA_CRYPTO_DRIVER_TEST */
-#endif /* PSA_CRYPTO_TEST_DRIVERS_HASH_H */
diff --git a/tests/include/test/drivers/test_driver.h b/tests/include/test/drivers/test_driver.h
index 8783924..f26b795 100644
--- a/tests/include/test/drivers/test_driver.h
+++ b/tests/include/test/drivers/test_driver.h
@@ -26,6 +26,5 @@
 #include "test/drivers/key_management.h"
 #include "test/drivers/cipher.h"
 #include "test/drivers/size.h"
-#include "test/drivers/hash.h"
 
 #endif /* PSA_CRYPTO_TEST_DRIVER_H */
diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index 7322cc7..c4ec8b6 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -242,7 +242,6 @@
     <ClInclude Include="..\..\tests\include\test\psa_helpers.h" />
     <ClInclude Include="..\..\tests\include\test\random.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\cipher.h" />
-    <ClInclude Include="..\..\tests\include\test\drivers\hash.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\key_management.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\signature.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\size.h" />