diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index c9d9a20..0f0e93e 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -31,7 +31,7 @@
     mbedtls_printf( "MBEDTLS_SSL_CLI_C not defined.\n" );
     mbedtls_exit( 0 );
 }
-#else
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
 
 /* Size of memory to be allocated for the heap, when using the library's memory
  * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
@@ -3080,6 +3080,4 @@
     else
         mbedtls_exit( query_config_ret );
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_CTR_DRBG_C MBEDTLS_TIMING_C */
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index e65851f..9527698 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -31,7 +31,7 @@
     mbedtls_printf( "MBEDTLS_SSL_SRV_C not defined.\n" );
     mbedtls_exit( 0 );
 }
-#else
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
 
 #include <stdint.h>
 
@@ -4045,6 +4045,4 @@
     else
         mbedtls_exit( query_config_ret );
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_CTR_DRBG_C */
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */