diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index 7c962a2..b2b07cf 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -35,11 +35,7 @@
 #  endif
 #endif
 
-#if defined(MBEDTLS_THREADING_C) && defined(MBEDTLS_THREADING_PTHREAD) && \
-    defined(MBEDTLS_TEST_HOOKS)
-#define MBEDTLS_TEST_MUTEX_USAGE
-#endif
-
+#include "test/threading_helpers.h"
 #include "mbedtls/platform.h"
 
 #include <stddef.h>
@@ -254,24 +250,6 @@
 #include "test/fake_external_rng_for_test.h"
 #endif
 
-#if defined(MBEDTLS_TEST_MUTEX_USAGE)
-/**
- *  Activate the mutex usage verification framework. See threading_helpers.c for
- *  information.
- *  */
-void mbedtls_test_mutex_usage_init(void);
-
-/**
- *  Deactivate the mutex usage verification framework. See threading_helpers.c
- *  for information.
- */
-void mbedtls_test_mutex_usage_end(void);
-
-/** Call this function after executing a test case to check for mutex usage
- * errors. */
-void mbedtls_test_mutex_usage_check(void);
-#endif /* MBEDTLS_TEST_MUTEX_USAGE */
-
 #if defined(MBEDTLS_TEST_HOOKS)
 /**
  * \brief   Check that only a pure high-level error code is being combined with
diff --git a/tests/include/test/threading_helpers.h b/tests/include/test/threading_helpers.h
new file mode 100644
index 0000000..3c4d441
--- /dev/null
+++ b/tests/include/test/threading_helpers.h
@@ -0,0 +1,45 @@
+/**
+ * \file threading_helpers.h
+ *
+ * \brief This file contains the prototypes of helper functions for the purpose
+ *        of testing threading.
+ */
+
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#ifndef THREADING_HELPERS_H
+#define THREADING_HELPERS_H
+
+#if defined MBEDTLS_THREADING_C
+
+#if defined(MBEDTLS_THREADING_PTHREAD) && defined(MBEDTLS_TEST_HOOKS)
+#define MBEDTLS_TEST_MUTEX_USAGE
+#endif
+
+#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+/**
+ *  Activate the mutex usage verification framework. See threading_helpers.c for
+ *  information.
+ */
+void mbedtls_test_mutex_usage_init(void);
+
+/**
+ *  Deactivate the mutex usage verification framework. See threading_helpers.c
+ *  for information.
+ */
+void mbedtls_test_mutex_usage_end(void);
+
+/**
+ *  Call this function after executing a test case to check for mutex usage
+ * errors.
+ */
+void mbedtls_test_mutex_usage_check(void);
+#endif /* MBEDTLS_TEST_MUTEX_USAGE */
+
+#endif /* MBEDTLS_THREADING_C */
+
+#endif /* THREADING_HELPERS_H */
+
diff --git a/tests/src/threading_helpers.c b/tests/src/threading_helpers.c
index 5fbf65b..3805934 100644
--- a/tests/src/threading_helpers.c
+++ b/tests/src/threading_helpers.c
@@ -6,6 +6,7 @@
  */
 
 #include <test/helpers.h>
+#include <test/threading_helpers.h>
 #include <test/macros.h>
 
 #if defined(MBEDTLS_TEST_MUTEX_USAGE)
diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index 86ff5b4..b5f5796 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -8,6 +8,7 @@
 #include <test/random.h>
 #include <test/bignum_helpers.h>
 #include <test/psa_crypto_helpers.h>
+#include <test/threading_helpers.h>
 
 #include <errno.h>
 #include <limits.h>