diff --git a/tests/suites/test_suite_aes.function b/tests/suites/test_suite_aes.function
index a740391..fe4dd3e 100644
--- a/tests/suites/test_suite_aes.function
+++ b/tests/suites/test_suite_aes.function
@@ -206,9 +206,6 @@
     mbedtls_aes_xts_init( &ctx );
     memset( data_unit, 0x00, sizeof( data_unit ) );
 
-
-    /* Valid pointers are passed for builds with MBEDTLS_CHECK_PARAMS, as
-     * otherwise we wouldn't get to the size check we're interested in. */
     TEST_ASSERT( mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, length, data_unit, src, output ) == retval );
 }
 /* END_CASE */
@@ -359,7 +356,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void aes_invalid_mode( )
 {
     mbedtls_aes_context aes_ctx;
diff --git a/tests/suites/test_suite_aria.function b/tests/suites/test_suite_aria.function
index b24e498..5147064 100644
--- a/tests/suites/test_suite_aria.function
+++ b/tests/suites/test_suite_aria.function
@@ -23,7 +23,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void aria_invalid_param( )
 {
     mbedtls_aria_context ctx;
diff --git a/tests/suites/test_suite_blowfish.function b/tests/suites/test_suite_blowfish.function
index 5681a9e..fdecfb6 100644
--- a/tests/suites/test_suite_blowfish.function
+++ b/tests/suites/test_suite_blowfish.function
@@ -14,7 +14,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void blowfish_invalid_param( )
 {
     mbedtls_blowfish_context ctx;
diff --git a/tests/suites/test_suite_camellia.function b/tests/suites/test_suite_camellia.function
index fb0a349..0633b73 100644
--- a/tests/suites/test_suite_camellia.function
+++ b/tests/suites/test_suite_camellia.function
@@ -14,7 +14,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void camellia_invalid_param( )
 {
     mbedtls_camellia_context ctx;
diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index ea5fa2e..f1095b1 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -207,7 +207,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void cipher_invalid_param_conditional( )
 {
     mbedtls_cipher_context_t valid_ctx;
diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index 5fced62..5fa5b67 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -50,7 +50,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void ecdh_invalid_param( )
 {
     mbedtls_ecdh_context ctx;
diff --git a/tests/suites/test_suite_ecjpake.function b/tests/suites/test_suite_ecjpake.function
index 2a6d893..311733b 100644
--- a/tests/suites/test_suite_ecjpake.function
+++ b/tests/suites/test_suite_ecjpake.function
@@ -98,7 +98,7 @@
  * END_DEPENDENCIES
  */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void ecjpake_invalid_param( )
 {
     mbedtls_ecjpake_context ctx;
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 9b8ba82..81a6514 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -38,7 +38,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void ecp_invalid_param( )
 {
     mbedtls_ecp_group grp;
diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
index 35691f7..ae306b5 100644
--- a/tests/suites/test_suite_gcm.function
+++ b/tests/suites/test_suite_gcm.function
@@ -181,7 +181,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:NOT_DEFINED */
 void gcm_invalid_param( )
 {
     mbedtls_gcm_context ctx;
diff --git a/tests/suites/test_suite_shax.data b/tests/suites/test_suite_shax.data
index 12eec84..1cc58af 100644
--- a/tests/suites/test_suite_shax.data
+++ b/tests/suites/test_suite_shax.data
@@ -1,9 +1,6 @@
 SHA-1 - Valid parameters
 sha1_valid_param:
 
-SHA-1 - Invalid parameters
-sha1_invalid_param:
-
 # Test the operation of SHA-1 and SHA-2
 SHA-1 Test Vector NIST CAVS #1
 depends_on:MBEDTLS_SHA1_C
diff --git a/tests/suites/test_suite_shax.function b/tests/suites/test_suite_shax.function
index 1d4cf71..a8f5b18 100644
--- a/tests/suites/test_suite_shax.function
+++ b/tests/suites/test_suite_shax.function
@@ -11,46 +11,6 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_SHA1_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
-void sha1_invalid_param( )
-{
-    mbedtls_sha1_context ctx;
-    unsigned char buf[64] = { 0 };
-    size_t const buflen = sizeof( buf );
-
-    TEST_INVALID_PARAM( mbedtls_sha1_init( NULL ) );
-
-    TEST_INVALID_PARAM( mbedtls_sha1_clone( NULL, &ctx ) );
-    TEST_INVALID_PARAM( mbedtls_sha1_clone( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_starts_ret( NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_update_ret( NULL, buf, buflen ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_update_ret( &ctx, NULL, buflen ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_finish_ret( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_finish_ret( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_internal_sha1_process( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_internal_sha1_process( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_ret( NULL, buflen, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
-                            mbedtls_sha1_ret( buf, buflen, NULL ) );
-
-exit:
-    return;
-}
-/* END_CASE */
-
 /* BEGIN_CASE depends_on:MBEDTLS_SHA1_C */
 void mbedtls_sha1( data_t * src_str, data_t * hash )
 {
@@ -72,7 +32,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:NOT_DEFINED */
 void sha256_invalid_param( )
 {
     mbedtls_sha256_context ctx;
@@ -81,38 +41,10 @@
     int valid_type = 0;
     int invalid_type = 42;
 
-    TEST_INVALID_PARAM( mbedtls_sha256_init( NULL ) );
-
-    TEST_INVALID_PARAM( mbedtls_sha256_clone( NULL, &ctx ) );
-    TEST_INVALID_PARAM( mbedtls_sha256_clone( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_starts_ret( NULL, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+    TEST_EQUAL( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
                             mbedtls_sha256_starts_ret( &ctx, invalid_type ) );
 
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_update_ret( NULL, buf, buflen ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_update_ret( &ctx, NULL, buflen ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_finish_ret( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_finish_ret( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_internal_sha256_process( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_internal_sha256_process( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_ret( NULL, buflen,
-                                                buf, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
-                            mbedtls_sha256_ret( buf, buflen,
-                                                NULL, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+    TEST_EQUAL( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
                             mbedtls_sha256_ret( buf, buflen,
                                                 buf, invalid_type ) );
 
@@ -156,7 +88,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_SHA512_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+/* BEGIN_CASE depends_on:MBEDTLS_SHA512_C:NOT_DEFINED */
 void sha512_invalid_param( )
 {
     mbedtls_sha512_context ctx;
@@ -165,38 +97,10 @@
     int valid_type = 0;
     int invalid_type = 42;
 
-    TEST_INVALID_PARAM( mbedtls_sha512_init( NULL ) );
-
-    TEST_INVALID_PARAM( mbedtls_sha512_clone( NULL, &ctx ) );
-    TEST_INVALID_PARAM( mbedtls_sha512_clone( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_starts_ret( NULL, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+    TEST_EQUAL( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
                             mbedtls_sha512_starts_ret( &ctx, invalid_type ) );
 
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_update_ret( NULL, buf, buflen ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_update_ret( &ctx, NULL, buflen ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_finish_ret( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_finish_ret( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_internal_sha512_process( NULL, buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_internal_sha512_process( &ctx, NULL ) );
-
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_ret( NULL, buflen,
-                                                buf, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
-                            mbedtls_sha512_ret( buf, buflen,
-                                                NULL, valid_type ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+    TEST_EQUAL( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
                             mbedtls_sha512_ret( buf, buflen,
                                                 buf, invalid_type ) );