diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index bf4d1c424..6b0db346d 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3058,7 +3058,6 @@
  */
 //#define MBEDTLS_PARAM_FAILED( cond )               assert( cond )
 
-
 /* SSL Cache options */
 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT       86400 /**< 1 day  */
 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES      50 /**< Maximum entries in cache */
diff --git a/include/mbedtls/platform_util.h b/include/mbedtls/platform_util.h
index 2dc0fb7b9..604498aa6 100644
--- a/include/mbedtls/platform_util.h
+++ b/include/mbedtls/platform_util.h
@@ -41,7 +41,7 @@
 extern "C" {
 #endif
 
-#if defined( MBEDTLS_CHECK_PARAMS )
+#if defined(MBEDTLS_CHECK_PARAMS)
 
 #if defined(MBEDTLS_PARAM_FAILED)
 /** An alternative definition of MBEDTLS_PARAM_FAILED has been set in config.h.
@@ -50,7 +50,7 @@ extern "C" {
  * MBEDTLS_PARAM_FAILED() will expand to a call to mbedtls_param_failed().
  */
 #define MBEDTLS_PARAM_FAILED_ALT
-#else
+#else /* MBEDTLS_PARAM_FAILED */
 #define MBEDTLS_PARAM_FAILED( cond ) \
     mbedtls_param_failed( #cond, __FILE__, __LINE__ )
 
diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index b5bd31e74..9aecbb1bb 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -99,7 +99,6 @@ typedef enum
  *
  * \param   TEST    The test expression to be tested.
  */
-
 #define TEST_ASSERT( TEST )                                 \
     do {                                                    \
        if( ! (TEST) )                                       \