diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index da843b2..5f9f7b0 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -202,6 +202,23 @@
     ( STATIC_ASSERT_THEN_RETURN( IS_ARRAY_NOT_POINTER( array ),         \
                                  ARRAY_LENGTH_UNSAFE( array ) ) )
 
+/** Return the smaller of two values.
+ *
+ * \param x         An integer-valued expression without side effects.
+ * \param y         An integer-valued expression without side effects.
+ *
+ * \return The smaller of \p x and \p y.
+ */
+#define MIN( x, y ) ( ( x ) < ( y ) ? ( x ) : ( y ) )
+
+/** Return the larger of two values.
+ *
+ * \param x         An integer-valued expression without side effects.
+ * \param y         An integer-valued expression without side effects.
+ *
+ * \return The larger of \p x and \p y.
+ */
+#define MAX( x, y ) ( ( x ) > ( y ) ? ( x ) : ( y ) )
 
 /*
  * 32-bit integer manipulation macros (big endian)
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index f8c9c74..c1339c0 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -11,8 +11,6 @@
 
 #include "psa/crypto.h"
 
-#define MAX( x, y ) ( ( x ) > ( y ) ? ( x ) : ( y ) )
-
 /** An invalid export length that will never be set by psa_export_key(). */
 static const size_t INVALID_EXPORT_LENGTH = ~0U;
 
diff --git a/tests/suites/test_suite_psa_crypto_entropy.function b/tests/suites/test_suite_psa_crypto_entropy.function
index 704fad9..727db43 100644
--- a/tests/suites/test_suite_psa_crypto_entropy.function
+++ b/tests/suites/test_suite_psa_crypto_entropy.function
@@ -6,11 +6,6 @@
 #include "mbedtls/entropy.h"
 #include "mbedtls/entropy_poll.h"
 
-/* MAX value support macro */
-#if !defined(MAX)
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#endif
-
 /* Calculating the minimum allowed entropy size in bytes */
 #define MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)
 
diff --git a/tests/suites/test_suite_psa_crypto_init.function b/tests/suites/test_suite_psa_crypto_init.function
index e04652f..c8f6e1b 100644
--- a/tests/suites/test_suite_psa_crypto_init.function
+++ b/tests/suites/test_suite_psa_crypto_init.function
@@ -12,9 +12,6 @@
 #include "mbedtls/entropy.h"
 #include "mbedtls/entropy_poll.h"
 
-#define MIN( x, y ) ( ( x ) < ( y ) ? ( x ) : ( y ) )
-#define MAX( x, y ) ( ( x ) > ( y ) ? ( x ) : ( y ) )
-
 #define ENTROPY_MIN_NV_SEED_SIZE                                        \
     MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)